ANSYS Confidential - Internal Use Only

ANSYS Release 15.0 Messaging Document

ANSYS Confidential - Internal Use Only

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Contents

Contents

Release Summary

ANSYS 15.0 - Redefining Comprehensive Simulation

Customer Practice Solutions Enhanced by ANSYS 15.0

Advanced Materials Systems Design

Robust Electrical and Electronics Systems Design

Fluid-Thermal Systems Design

HF Electromagnetics Advancements

Advanced Meshing Technology for Electrical CAD/layout

Curvilinear Elements in HFSS-IE Play Key Role in Radar Cross Section Analysis

External Near-field Data Support in HFSS Aids EMI/EMC analysis

Spatially Dependent Properties in HFSS Enhance the Simulation of Designs with

Composite Material

Multi-level, Scalable HPC delivers significant HFSS simulation acceleration and capacity

Signal Integrity Advancements

Advancements in ANSYS Signal Integrity products accelerate design of high-speed

electronics

New SIwave-DC product targets Voltage Drop analysis for PCB and Packages

High Performance Computing speeds Signal and Power Integrity Analysis of high-speed

electronics

Structures Advancements

Parallel Computing Reduces Meshing Time For Assemblies

Automatic Hexahedral Meshing Produces High Quality Results and More Robust

Convergence

Smart Tools Help Build and Review Large Models Faster

Model Assembly Allows Reuse and Combining of Legacy Models

Submodeling Technique Provides More Insights into Composites Products

Additional Types of Mapping Data From External Files Sources Provides A More Complete

Way To Link Multiple Physics

New Proprietary Eigensolver Accelerates Computation of Eigenmodes and Frequencies

Extended Mode-Superposition Methods Speeds-Up the Computation of Harmonic

Analyses

Fast Method For Detailed Bolt Thread Analysis

New Contact Options Allows The Analysis Of Wear Between Sliding Parts

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Nonlinear Adaptive Meshing and Refined Nonlinear Algorithms Help Solve Large

Deformation Models

Advanced Materials Models Help Better Understand Ageing Of Products

HPC Licensing Value Extended with GPU Acceleration Included

Performance for Explicit Dynamics Using HPC

Fluids Advancements

Automatic Hexahedral Meshing Produces Faster and More Robust Convergence

Fluent Meshing Delivers Fast, Robust and Automatic Mesh Creation for CFD

Faster Solver for Complex Physics

Solution Scalability up to 3 Times Better!

GPU Support for Fluid Solver

Improvements in Solver Robustness Deliver the Right Answer the First Time

Improved Heat Transfer between Fluid and Fabricated Solid Structure Component

Simulating Liquid Films Accurately and Quickly

Blade Flutter and Forced Response Analysis done in Hours, not Days!

Complete Two-way surface thermal and structural FSI

A Tailored Application for Gasoline and Diesel Combustion

Shape Optimization Through Mesh Morphing Extends to Very Large Models

Enhanced CFD Usability

Project-Level Reporting is Introduced for CFD Simulations

Faster and more accurate Blow Molding and Thermoforming Simulations

Parametric Simulation with ANSYS Icepak

Easy Simulation Setup with ANSYS Icepak

Tracking Humidity or Pollutants in Electronic Cooling Applications

LF Electromagnetics Advancements

New features in Maxwell deliver breakthrough accuracy in predicting performance of

electric machines

New Maxwell Feature Enables Accurate Modeling of Electric Transformers

New Workbench Multiphysics Coupling delivers advanced NVH Analysis

Expanded Multiphysics Automotive and Power Libraries - Simplorer

Virtual mechatronic design enabled by ANSYS Simplorer and SCADE

Workbench Advancements

Workbench Manages Execution and Data for Large Number of Design Configurations

Improved Configurability of the Remote Solve Manager (RSM)

New EKM Capabilities Simplify Remote Access to Centralized Compute Resources

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Release SummaryANSYS® 15.0 - Redefining Comprehensive Simulation

Physics Advancements and Workbench Framework Deliver MostComplete Product Simulation Solutions in the CAE Sector

The latest release of our industry-leading engineering simulation portfolio, ANSYS 15.0 brings

together new capabilities and enhancements that offer a more comprehensive approach to guide

and optimize complete product designs. As products trend toward greater complexity with

advanced functionality and features, novel materials (such as composites), embedded

electronics and their resulting thermal issues, and control software for smart operation —

single-physics analysis (or uncoupled multiple physics) is not adequate for designing optimum

products.

ANSYS 15.0 delivers major advancements to complete multiphysics workflows as well as across

the entire physics portfolio. The release introduces pre-processing capabilities that boost

automation and ease of setup as well as high-performance computing enhancements that

enable analysis of ever-larger models and faster processing times. Together, these new

capabilities deliver insights to the most challenging product designs.

QUOTE: Over the last decade, multiphysics simulation has revolutionized product development;

engineers can now analyze the many forces that impact a complete product system. ANSYS 15.0

is the result of recent core technology development, acquisition and integration efforts and

highlights a comprehensive multiphysics experience. Further underscoring our vision of

simulation-driven product development, 15.0 delivers major advancements across our entire

physics portfolio and provides insight to the industry’s most challenging product designs. - Jim

Cashman

Complete Multiphysics Workflows

To satisfy the world’s demand for power-efficient products, engineers require simulation tools

that fully address systems, components (from subsystem to chip level) and embedded software

along with their interactions. ANSYS 15.0’s comprehensive simulation approach delivers

coupled-physics capabilities that reduce product errors, developmental delays, physical

prototypes and overall costs.

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For example, electric machines are used in transportation, aerospace and industrial automation

sectors, making them the largest consumers of energy in the world. ANSYS 15.0 delivers

workflows for improving electric machine design, which once focused on optimizing the motor

rather than analyzing the motor-driven system as a whole. The release offers complete systems

multiphysics workflows for robust electronics and turbo flow paths as well.

● Electric machines

○ A connection between our physics-based circuit simulator, ANSYS Simplorer, and

our automatic embedded code generator, SCADE Suite, creates an iterative design

environment for optimizing the interactions between control system software and

hardware.

○ A new force-coupling between low-frequency electromagnetics (ANSYS Maxwell)

and structural (ANSYS Mechanical) tools for acoustics analysis delivers the insight

to minimize noise in electric motors and other machines.

○ ANSYS 15.0 is the only complete solution for electrical machines systems,

delivering functional design through high-fidelity analysis and enabling rapid

design iterations to optimize overall performance.

“ANSYS 15.0 advanced motor design capabilities are phenomenal,” said Dr. Dan Ionel,

chief engineer at Regal Beloit. “The combination of magnetic vector hysteresis, NVH

analysis and embedded software provides a comprehensive methodology for the design

of efficient, reliable and optimized electrical machines working with the electric drive and

digital control system.”

● Turbo flow path system design

○ ANSYS 15.0 improvements enable efficient and high-performance turbomachinery

flow path development, such as geometry and meshing functionality that makes

handling complex, high-fidelity models easier and faster.

○ Streamlined and faster workflow in ANSYS Blademodeler supports blade

optimization and improved 1-D design for process compressors. Improved

blade-row templates in ANSYS TurboGrid deliver higher-quality meshes with less

effort.

○ The ANSYS CFX exit-corrected mass flow boundary condition improves speed and

robustness for speed-line simulation. Many aspects of the TBR methods in CFX

are improved: moving/deforming mesh, automated workflow, blade flutter and

built-in post-processing. Thermal modeling speed is increased, and rotordynamics

simulation supports bearing connections for all analysis types.

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"With ANSYS CFX moving mesh capabilities, a certain range of geometric variants of the

hydro-turbine we design could be simulated easier and faster by morphing the

computational mesh. This saves us pre-processing time when evaluating different designs

because we do not have to re-mesh fully each design variant," said Dr. Alexander Jung,

Voith Hydro

● Robust electrical and electronics design

○ The ANSYS HFSS transient solver for electromagnectic analysis can leverage GPU

computing resources to deliver two to three times faster performance when

compared to the latest technology eight-core CPUs.

○ Specialized meshing technology for silicon substrates, redistribution layers,

packages and printed circuit boards creates 3-D meshes up to 30 times faster

than previous releases.

○ Design flow customization supports specialized workflows such as cable modeling

and transmission line modeling using HFSS, ANSYS Q3D Extractor and ANSYS

Designer.

Pre-processing

ANSYS delivers pre-processing capabilities in each new release that automate simulation model

setup and provide flexibility to address unique requirements through manual methods. Much of

this is enabled through the most complete set of meshing technologies along with the ANSYS

Workbench platform, which provides an integrated workflow across all physics.

With traditional CAE technology, extensive setup time can be a deterrent to applying simulation

technology and fully realizing its benefits. ANSYS 15.0 contains many solutions for

pre-processing automation and robustness, which enable customers to perform simulation more

efficiently, follow best practices and, ultimately, arrive at results and engineering decisions

much faster.

To address the time-consuming meshing process, ANSYS 15.0 offers advancements that can be

leveraged for accuracy and speed.

● Performance is dramatically enhanced through a parallel part-by-part meshing engine

that delivers up to a 27 times reduction in meshing large assemblies.

● For companies whose best practices require high-quality-hexahedral mesh, ANSYS 15.0

enables users to create them faster: The method creates such meshes automatically,

even when multiple bodies or geometry orientations are present. This capability

reinforces a unique strength of the ANSYS meshing portfolio.

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Many innovations in ANSYS 15.0 address complex geometries:

● Geometry errors, including holes and non-aligned surfaces (gaps), are easily identified

and repaired.

● Even complex geometrical details are captured by wrapper technology during fluid

volume extraction operation.

● When some portion of the surface mesh needs to be improved, local surface remeshing

allows the user to focus only on a specific area, saving time when compared to full

remeshing.

ANSYS 15.0 demonstrates how Fluent meshing leverages its unmatched HPC capabilities and

scalability to deliver parallel meshing, which allows dramatic reduction in meshing time. For

example, using eight cores, a 42 million cell mesh can be meshed more than seven times faster

than if a single CPU was used.

"Thanks to the progress in Fluent meshing technology and workflow, pre-processing for an

entire vehicle for an underhood air flow study really became a breeze. Starting from dirty

CAD geometries and setting up a list of parameters in a template by the end of the day,

you can get a good-quality volume mesh the next morning," said Qin Yang from Navistar,

Inc.

High-Performance Computing

ANSYS continues the tradition of HPC leadership with the latest release and reaffirms our

commitment to software development that exploits the latest computing technologies, no matter

the physics discipline. ANSYS 15.0 delivers important new capabilities for HPC job management

and remote access to simulation, supporting the trend toward scaled-up data center-based

deployment of simulation.

The latest release leverages the power of modern high-performance computing hardware and

software technologies to provide solutions for large models in a compressed timeframe.

● While delivering ground-breaking scale-up performance at 15,000 cores for large (100M+

cells) models, ANSYS Fluent features significantly improved solver and parallel efficiency

at lower core counts. ANSYS CFX scalability is improved as well on larger core counts. For

example, an industrial six-stage axial compressor case showed a speed-up of five times.

● ANSYS Maxwell delivers an HPC performance increase of five times due to advanced

multithreading enhancements.

● ANSYS 15.0 also delivers improved performance through innovative developments of

completely new solvers, such as the new subspace eigensolver for a faster computation

of eigenmodes and eigenfrequencies in structural analysis.

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"Thanks to ANSYS fluid dynamics simulation solutions’ speed and unmatched scalability on

high-performance computer clusters, we are able to quickly and accurately assess the

performance of a large number of designs," said Rob Rowsell of Wirth Research.

Customer Practice Solutions Enhanced by ANSYS 15.0

The ANSYS 15.0 customer overview and training content features key solutions that rely on the

breadth of capabilities across our entire portfolio. This section summarizes these practices along

with the advancements that release 15.0 delivers in these areas.

Advanced Materials Systems DesignFocus: Efficient Design of Lightweight Composites Materials for Multifunctional Applications

Lightweight composites materials can improve fuel efficiency by reducing weight. The challenge

to traditional customer engineering processes relates to material complexity, new design

procedures and the impact of manufacturing on product performance. Customers, therefore,

require an efficient workflow for composites product simulation. Beyond structural

weight-bearing applications, composites are being applied in thermal and electromagnetic

applications, particularly to to deliver multifunctional capabilities such as electronics enclosure

thermal management, de-icing and stealth. Customers developing these advanced products

require a composites simulation portfolio that can span a wide range of physics. The ANSYS

solution is an approach for the efficient design of lightweight composites materials for

multifunctional applications that leverages both ANSYS products and partner technologies.

Capabilities include multi-scale modeling, advanced material models, process scale-up, static

analysis, failure, fatigue, multiphysics performance assessment (thermal-structural-electronic),

manufacturability, tooling design and the impact of manufacturing.

ANSYS 15.0 provides a number of key advances for the efficient design of lightweight

composites materials for multifunctional applications. New curvilinear elements for the ANSYS

HFSS-IE solver deliver accurate radar cross section solutions for highly complex composites

shapes without sacrificing time efficiency. The HFSS-IE solver offers the ability to specify

spatially dependent material properties and boundary conditions that are real-world

characteristics of layered composites. Many industrial applications using composites are subject

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to cyclical loading, which can result in fatigue. The ANSYS solution addresses fatigue failure of

composites by progressive damage analysis using the CDM model along with a submodeling

technique to examine through-thickness behavior and delamination (CZM/VCCT). In the study of

coupled fluid-thin structural composites analysis, significant model setup time is saved, since

mesh is no longer required for structural components.

Robust Electrical and Electronics Systems DesignFocus: High-Performance, Power-Efficient System Design

The high tech industry is dramatically transforming the way we communicate, work, learn and

entertain. While the trends are most visible in mobile devices, consumer electronics, and fiber

optics and wireless communication networks, smart electronics are driving innovation within

automotive, defense and aerospace, energy, and industrial automation sectors. Engineers

designing these complex systems require a workflow that can optimize form-factor, performance

and battery life while delivering a robust user experience. They need a simulation portfolio that

can accurately analyze the interplay of electronics, thermal and structural physics to speed up

product development process while reducing late-stage failures. The ANSYS solution for

designing high-performance, power-efficient systems uses both ANSYS and partner technologies.

With technologies for chip-aware-PCB design as well as signal integrity, power integrity, and

EMI/EMC analysis, it addresses the challenges posed by lower power budgets, miniaturization,

and integration of functionality across hardware and software.

ANSYS 15.0 provides a number of key advances related to our solution for designing

high-performance, power-efficient systems. The ANSYS HFSS transient solver leverages GPU

computing resources to deliver two to three times faster performance when compared to the

latest technology eight-core CPUs. Specialized new meshing technology is optimized for silicon

substrates, redistribution layers, packages and printed circuit boards. This technology creates

initial 3-D meshes up to 30 times faster than previous releases while increasing capacity and

reliability. In addition, distributed meshing speeds the solution process for large-scale

simulations, such as antenna platform integration and mobile device interference with

surrounding environment (for example, smartphone in an automobile). Design flow customization

supports specialized workflows such as cable modeler and transmission line modeler using HFSS,

ANSYS Q3D Extractor and ANSYS Designer.

Fluid-Thermal Systems DesignFocus: Efficient and High-Performance Turbomachinery Flow Path Development

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Turbomachinery developers are under tremendous pressure to improve machinery. The ANSYS

response delivers improved, impactful and high-value solutions. All components of the machine

require extensive simulation; particularly critical is the flow path, where energy transfer or

conversion takes place. The ideal solution delivers flow, thermal, stress and dynamics solution

fidelity along with an enhanced ability to simulate over a broader range of conditions and

physical phenomena — these capabilities increase customer solution confidence, reduce

technical and business risk and enhance product quality. Our distinctive offerings of high-fidelity

transient blade row (TBR), flutter and forced response on top of our comprehensive portfolio

provide high customer value — and give ANSYS a clear competitive advantage. Recent workflow

and HPC improvements to both ANSYS general-purpose and turbomachinery-specific software

accelerate design velocity, increasing the number of designs that can be investigated, often

reducing the number of required prototypes, and always improving time to market.

ANSYS 15.0 has introduced many improvements that enable efficient and high-performance

turbomachinery flow path development. With geometry and meshing improvements, ANSYS

tools are equipped to handle complex, high-fidelity models easier and faster. Streamlined and

faster workflow in ANSYS Blademodeler supports blade optimization and improved 1-D design for

process compressors. Improved blade-row templates in ANSYS TurboGrid enable higher-quality

meshes with less effort. The exit-corrected mass flow boundary condition is an important

addition to ANSYS CFX, as it improves speed and robustness for speed-line simulation. Many

aspects of TBR methods in CFX are also improved: moving/deforming mesh, automated

workflow, blade flutter and built-in post-processing. Thermal modeling speed is increased, and

rotordynamics simulation supports bearing connections for all analysis types.

Fluid–Structure Systems DesignFocus: Robust, Easy Modeling of Large, Complex Fluid-Structure Systems

The ANSYS fluid-structure systems design practice enables engineers to develop and optimize

products for real-life operating conditions. The approach studies both fluid and structural

aspects simultaneously in a way that provides insights into complex failure modes as well as

optimization opportunities that arise from the interactions of fluid and structural loads. This

practice can be applied to accelerate development of thousands of products across broad

engineering disciplines, such as underhood systems, suspension and brakes in the automotive

industry; wing flutter in the aerospace industry; heart valves in the biomedical industry; valves

and drills in the oil and gas industry; fans in the high-tech industry; and others.

ANSYS 15.0 provides key advances that make modeling large and complex fluid-structure

systems robust and easy. Ease of use is particularly improved by numerous mesh-generation

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improvements across the ANSYS suite: 32-times speedup in importing large CAD assemblies,

instancing for expediting meshing products that have repeating common features, speed

improvement and memory reduction for tet and prism cell generation, wrapping or stitching

(sewing) technologies for creating single or multi-volume meshes, significant improvement in

feature capturing in wrapped mesh, local remeshing for improving mesh quality, hole fixing and

gap closing utilities, direct poly meshing in meshing tools, and helpful user-friendly diagnostics

tools for quickly identifying and fixing problems.

ANSYS 15.0 delivers significant advancements in acoustics, including aero-acoustics and

vibro-acoustics. New inbuilt acoustics capabilities in ANSYS Mechanical enable acoustics

simulation of products such as automotive exhaust systems. Enhancements include impedance

flow and nonreflective boundary conditions for fluids and, on the structural side, boundary

conditions for sophisticated acoustics materials, surface impedance, admittance transfer matrix

and viscothermo effects. Acoustics analysis allows linear perturbation with nonlinear static

prestressed structural solution and coupled FSI with morphed meshes. ANSYS acoustics

post-processing plots acoustic contour maps in dB. The ANSYS Customization Toolkit (ACT) eases

implementing acoustics simulations as well.

At ANSYS 15.0, fluid solvers provide a number of improvements that advance modeling

fluid-structure systems. Simulation robustness is significantly improved. Volume of fluid (VOF)

simulations used in liquid-structure interactions have been speeded-up by factors of up to 36

percent. A two-way FSI coupling has been established between ANSYS Fluent and ANSYS

Mechanical for surface-thermal and structural FSI.

Details of New ANSYS 15.0 Capabilities

This section highlights more details of the ANSYS 15.0 release. Each section describes the

engineering problem, how ANSYS 15.0 addresses that problem, and the competitive strength

created by each capability. When required, “Staying Clear of Objections” is provided as

additional guidance to correctly position the function and maturity of each capability.

HF Electromagnetics Advancements

Advanced Meshing Technology for Electrical CAD/layout

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Market Need Addressed: ANSYS 15.0 advances the ANSYS HFSS 3-D electrical layout design

paradigm introduced earlier in 2013. This customized environment automates the process of

preparing electrical layout data of PCB, electronic packages and custom-integrated circuits for

analysis using HFSS. ECAD geometries are very complex, layered structures that are difficult to

mesh, and the new phi meshing technology addresses this industry need.

Technical Evidence: Advanced phi meshing for 3-D electrical CAD/layout: This

specialized meshing technology is optimized for meshing silicon substrates, redistribution

layers, electronic packages and printed circuit boards. The phi mesher creates initial 3-D

meshes up to 30 times faster than traditional meshing capabilities in previous releases

while increasing capacity and reliability.

The addition of phi meshing technology to the industry-standard ANSYS HFSS solver,

along with the easy-to-use 3-D electrical layout, delivers a strong competitive advantage

for ANSYS, since it appeals to a broad class of electrical engineers. Agilent ADS EMPro

and National Instruments/AWR have integrated layout with 3-D EM solvers, but they

significantly trail ANSYS in robustness and accuracy. CST Microwave Studio has nothing

comparable in terms of an easy-to-use flow for layout.

Curvilinear Elements in ANSYS HFSS-IE Play Key Role in Radar

Cross Section Analysis

Market Need Addressed: Many modern stealth technologies rely on blended surface designs to

minimize radar reflection back to the source. Accurate representation of these surfaces is critical

for radar cross section analysis; at the same time, efficient analysis of such electrically large

structures is important. With ANSYS 15.0. engineers have an option to choose curvilinear

element types that deliver high accuracy without a subsequent increase in computation time for

simulating models with blended surfaces.

Technical Evidence: Curvilinear elements for ANSYS HFSS-IE enable more accurate and

efficient solution for radar cross section and antenna placement problems consisting of

blended surfaces.

This feature places us on par with the main competitor, FEKO. CST does little in the area

of 3-D method of moments. Thus,HFSS has a competitive advantage over CST.

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External Near-Field Data Support in ANSYS HFSS Aids EMI/EMC

Analysis

Market Need Addressed: Modern commercial electronics have stringent requirements regarding

the amount of electromagnetic energy a product emits and the frequencies at which

electromagnetic energy is radiated. Many design flows consist of incorporating established and

proven PCB and component designs implemented in industrial design housing. Customers need

to apply measured electromagnetic near-field data from the PCBs and integrated components as

boundary conditions. This creates a more realistic and complete model for estimating upfront

emissions or EMI/EMC prior to manufacturing of prototypes.

Technical Evidence: Near-field data from measurements or simulation can be imported

into ANSYS HFSS and act as an incident wave source boundary condition for radiation and

scattering analysis. This allows users to share performance and simulation data without

exposing their IP.

This feature is similar to capabilities offered by our main competitors, CST and FEKO.

Including this feature in HFSS eliminates a selling point from these competitors. HFSS,

with an established advantage in accuracy, computational speed and industry

acceptance, maintains its dominant position over CST and FEKO.

Spatially Dependent Properties in ANSYS HFSS Enhance

Simulation of Designs with Composites Material

Market Need Addressed: Many composites materials consist of layers of various materials

oriented along different axis to achieve unique bulk material properties. Examples of this are FR4

laminates in PCB manufacturing and multilayered carbon fiber composites in stealth aircraft

design (for radar absorption). In bulk, these devices display material with very specific spatially

dependent properties that must be taken into account to obtain accurate results, especially for

higher frequency and data rates. However, solving such structures at this level of geometric

detail is extremely time- and resource-consuming. Before this advanced capability was available,

users would not attempt to execute such simulations.

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Technical Evidence: Spatially dependent material properties and boundary conditions are

available in ANSYS HFSS that enable designers to simulate the behavior of these complex

structures accurately without extreme computational time/expense of explicit structure

simulation.

This feature is a competitive advantage for HFSS. Competitors such as CST will claim

equivalent capability on paper. However, CST’s ability to perform this type of simulation

is weak.

Multi-Level, Scalable HPC Delivers Significant ANSYS HFSS

Simulation Acceleration and Capacity

Market Need Addressed: Mobile communication devices are becoming denser as the demand

for smaller, more functional capabilities grows. As more mobile communications devices are

used throughout the world, there is a rising demand for greater bandwidth and improved

communication infrastructure. As a result of these trends, the size of electronic device

simulation models has become massively large. However, engineers cannot accept a longer

solution time. ANSYS HFSS with HPC at release 15.0 delivers the performance and scalability

required to meet this need.

Technical Evidence: ANSYS has taken the lead in HPC computing technology with the

introduction of multi-level HPC. A designer can leverage more nodes of a compute cluster

or cloud environment to accelerate design efforts through combined distribution of

design parameters, frequencies and multi-core/multi-domain EM solvers.

The distributed direct matrix solver allows the designer to leverage computer memory

across a network, resulting in the ability to solve larger, more complex geometry.

Distributed domain solvers: This increase in HPC capability provides further scalability

and speed for simulations including:

● Improved parallelization of hybrid simulations (such as FEBI boundaries and

regions) through matrix decomposition.

● Improved parallelization domain decomposition simulations for multi-port analysis

(such as antenna cosite)

GPU support for ANSYS HFSS Transient: This solver can leverage GPU computing

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resources. Speedups are two to three times faster when compared to the latest

technology eight-core CPUs.

These advancements propel ANSYS HFSS to the lead in HPC technology. No competitors

provide multi-level HPC capability.

Signal Integrity AdvancementsAdvancements in ANSYS Signal Integrity Products Accelerate Design ofHigh-Speed Electronics

Market Need Addressed: Designers of high-speed electronic devices need a full simulation

solution for complex chip, package and systems design to continue the relentless advancement

of smaller, more functional mobile communication devices. New features in ANSYS 15.0 allow for

full systems analysis and an expedited high-speed electronics design flow.

Technical Evidence: ANSYS SIwave with ANSYS Q3D Extractor introduces the ability to

use Q3D Extractor’s 3-D solver from within SIwave. This enables easy creation of RLCG

parasitic models for chip, package and printed circuit boards. This advancement is ideal

for the design of two-layer PCBs commonly deployed in automobiles.

The capability establishes ANSYS as the industry’s leading signal integrity design

platform. SIwave with Q3D Extractor has a strong competitive advantage over Cadence

Sigrity, which lacks this capability. Additional new features serve to refine and extend the

ANSYS signal integrity design platform.

New ANSYS SIwave-DC Product Targets Voltage Drop Analysis for PCB andPackages

Market Need Addressed:

Demand for consumer electronics devices to be smaller, provide multiple functions and consume

less power requires more compact and complex PCB and electronic packaging designs. I2R

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(voltage) drop analysis is a critical aspect of designing low-power devices.

Technical Evidence:

ANSYS SIwave-DC is a subset of SIwave and targets DC analysis of low-voltage,

high-current PCBs and IC packages. SIwave-DC allows users to asses critical end-to-end

voltage margins to ensure reliable power delivery. The technology quickly identifies areas

of excess current density and thermal hotspots to reduce risk of field failure.

The introduction of SIwave-DC will provide a competitive product offering to Cadence

Sigrity PowerDC. SIwave-DC has the technical advantage of automatic adaptive meshing,

which provides an accuracy and ease of use over competitive offerings.

High-Performance Computing Speeds Signal and Power Integrity Analysis ofHigh-Speed Electronics

Market Need Addressed: The explosion in mobile communications functionality for everything

from consumer devices to industrial systems is driving the trend to design faster and solve

computationally large simulations.

At the same time, hardware used for simulation is advancing rapidly. But performance benefits

are not automatic. ANSYS 15.0 demonstrates the ANSYS commitment to optimizing solver

technology for today’s computers to solve extremely large simulations accurately and fast.

Technical Evidence:

ANSYS SIwave SDM: Distribution of SIwave SYZ frequency points over a cluster has

resulted in over a 60-times speedup.

ANSYS Q3D Extractor enables MPI for the CG (capacitance and conductance) solver with

a greater than 20-times speedup using MPI for the CG solver.

Multi-level distributed HPC enables customers to perform multiple HPC operations at one

time. One example is the distribution of Q3D Extractor’s parasitic extraction solvers over

a cluster while using multiple threads per solver and distributed MPI capabilities. This

provides a very significant solver speedup.

These features extend the ANSYS lead in solving large simulations and the capacity to

solve complex designs that require large compute resources.

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Structures Advancements

Parallel Computing Reduces Meshing Time For Assemblies

Market Need Addressed: More and more simulations involve complex models made of dozens,

hundreds and, sometimes, thousands of parts. Sequentially meshing all parts is time consuming.

With ANSYS 15.0, users can leverage multiple cores available on their desktops to mesh several

bodies simultaneously. The speedup is up to 27 times. Serial meshing has also been improved

and shows speedup up to 4 times.

Technical Evidence: Parallel part-by-part meshing has been implemented to allow

simultaneous meshing of multiple parts on multi-core machines. Users can choose the

number of CPUs dedicated to the meshing process. This capability does not require HPC

licenses.

Staying Clear of Objections: This acceleration in the meshing process helps counter

competitors’ argument about ANSYS Workbench’s lack of efficiency in the meshing phase.

Automatic Hexahedral Meshing Produces High-Quality Results and MoreRobust Convergence

Market Need Addressed: Some structural customers need to use hexahedral meshes in their

simulations, generally for convergence or model-certification purposes. Usually, creating

high-quality meshes requires a large amount of time spent manually decomposing geometry into

simple sweepable shapes and manually editing element node locations. With ANSYS 15.0, many

moderately complex geometries can be automatically decomposed and meshed to yield a

high-quality hexahedral mesh. This process offers a 24 percent to 500 percent improvement over

the previous release, which can result in eliminating hours or days of manual work from

pre-processing. Automatic meshing removes the need to manually decompose geometry into

sweepable blocks.

Technical Evidence: Multi-zone technology in ANSYS meshing allows for automatic

creation of swept, high-quality, conformal, hexahedral meshes when geometries with

multiple bodies with different sweep directions are present.

Smart Tools Help Build and Review Large Models Faster

Market Need Addressed: Users must be able to quickly investigate large models with numerous

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parts, a large number of connections, many loads and boundary conditions. The list of all

simulation model items is usually too big to fit on a screen; one-by-one reviews of results can

waste time. With release 15.0, ANSYS expands the ability to filter the display of model contents

so users can focus only on what is necessary. Multiple results can be displayed in a table format

so the user quickly gets an overview of all results. A good example is displaying the forces in

bolted assemblies with a large number of bolts. Users can save hours of work by reviewing all

results at once from a table, rather than looking at individual values.

Technical Evidence: Tree filtering is helpful in dealing with large models with many

items. The tree can now be filtered by boundary condition objects, connections objects,

command objects and results. Filtering can reduce the report to only selected items.

Table view for results: A table view of all results in the simulation tree displays a text

summary, which can be used to check multiple reaction forces at once rather than

browsing through each single object.

Model Assembly Allows Re-Use and Combining of Legacy Models

Market Need Addressed: Sometimes users need to re-use an existing FE model but the

geometry is no longer available. Or they need to assemble several individual models together to

create the full model of the product. With ANSYS 15.0, users gain the ability to start a simulation

from an FE model, rather than from geometry. Individual components can be assembled to create

complex models, possibly using patterns of single components. ANSYS Workbench provides a

very convenient way to describe model combinations. Connections between parts occur

automatically, just as if the user were working with geometry data.

Technical Evidence: With ANSYS 15.0, geometry is no longer the starting point of a

Workbench based structural simulation. Users can assemble multiple finite element

models and leverage all mechanical functionalities, including contact detection. They can

import mesh data (solids and shells) from cdb files into Workbench using the external

model system, then scale, rotate or translate parts. Contact detection occurs as if

working with geometry data. Multiple Workbench systems can be combined. Geometry,

mesh and named selections are retrieved.

Staying Clear of Objections: Assemblies are limited to mesh and named selections (and

geometry when a Workbench model is available). There is no transfer of contacts, loads

or boundary conditions. Models with virtual topologies will not work. For legacy models,

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only ANSYS cdb files are supported (no support of non-ANSYS formats at release 15.0).

This is a first step in removing a weakness against leading competitor (Altair and Simulia)

capabilities.

Submodeling Technique Provides More Insights into Composites Products

Market Need Addressed: The approximation made when using thin shell elements for

simulating composites structures may not be appropriate to locally examine through-thickness

behavior; sometimes local 3-D models are required. This can be achieved using submodeling of

the composites in the local area to be investigated. A very convenient method for creating 3-D

submodels out of a composites shell model uses a combination of ANSYS Workbench’s project

page schematics and the composites definition from the ANSYS Composite PrepPost tool. This

makes our composites modeling solution easier to use than competitor’s tools, even for

advanced modeling.

Technical Evidence: Submodeling for composites is available in Workbench using a

combination of ANSYS Composite PrepPost, mechanical and the project page. It works

similarly to the submodeling techniques used for noncomposites materials and re-uses

the composites definition from the shell model to define 3-D layers.

Additional Types of Mapping Data from External Files Sources Provides a MoreComplete Way to Link Multiple Physics

Market Need Addressed: For many companies, multiphysics simulation means transferring data

from one physics solver to the other using text files with point cloud data. The main difficulty for

users is to efficiently map this data onto their current mesh. Sometimes a mismatch occurs

between the units or the orientation of the imported data and the actual model being

investigated. Mapping data for multiple time or frequency steps can be a tedious process. With

ANSYS 15.0, the mapping tool supports frequency or time dependent data as well as complex

data. This can be especially useful for acoustic computations for which velocities from a

structural computation need to be mapped onto an acoustics model. Using ANSYS automated

mapping tools, users can save hours of work and easily check the quality of the mapped data

compared to the original values.

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Technical Evidence: Release 15.0 provides the ability to map new quantities from a

coarse global mesh model to a refined submodel:

○ Velocities from harmonic analyses are very useful when computing uncoupled

acoustics analyses. The results from a structural harmonic analysis can be

mapped onto an acoustic mesh.

○ Support for frequency and time dependent data

Staying Clear of Objections: While announced as candidate for ANSYS 15.0, the mapping

of stresses and strains has not be released. It will be available only as beta feature. This

is due to the mapping algorithms not being conservative, hence leading to violation of

the equilibrium of the structure after mapping.

New Proprietary Eigensolver Accelerates Computation of Eigenmodes andFrequencies

Market Need Addressed: Modal analysis is performed on a complete assembly; it must identify

all the potential modes in the operating range of the product. Solver performance is critical for

computing several variations of a design in a reasonable amount of time. A new proprietary

distributed eigensolver is available at release 15.0 for a faster computation of eigenmodes and

frequencies. Typical speedup of three times is observed when computing on a distributed

architecture, compared to the widely used block-Lanczos algorithm in shared memory mode from

the previous release.

Technical Evidence: A new subspace eigensolver is available at ANSYS 15.0 for a faster

computation of eigenmodes and frequencies. This algorithm supports both shared and

distributed parallel technologies and is faster than the block-Lanczos algorithm that is

avaialble only in shared memory parallel mode. It provides higher-quality results than the

fast, distributed LANPCG algorithm.

Staying Clear of Objections: The algorithm is likely to use more memory than the SMP

block-Lanczos. However, the large reduction in wall times makes it a good trade-off

(more memory usage but much faster results). This feature makes ANSYS 15.0 faster than

release 14.5. It is likely that it will give ANSYS a competitive advantage; investigations

are underway to confirm this.

Extended Mode-Superposition Methods Speed Up Computation of Harmonic

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Analysis

Market Need Addressed: For complex analyses such as cyclic-symmetry models or certain

classes of fluid-structure interaction, the computation of harmonic results over a range of

frequencies is usually performed on the full model and, subsequently, is time consuming. ANSYS

15.0 provides the ability to use the mode-superposition method to considerably accelerate

computation of harmonic results. The method also works for unsymmetric matrices such as for

FSI or brake squeal analysis problems. Computation times can be reduced by factors up to 40

times to 50 times, especially when a large number of frequency points is required. This

capability is unique to ANSYS, making our solution the fastest for this type of models.

Technical Evidence: For advanced applications such as brake squeal and fluid-filled

structures, engineers need access to mode-superposition analysis with unsymmetric

matrices. In release 15.0, we break new ground with an unsymmetric mode-superposition

capability. Mode-superposition is also available for harmonic analyses of cyclic-symmetry

models. Until release 15.0, only the full method was available, which required computing

solutions out of the full model instead of a reduced model, such as that used in mode

superposition.

Fast Method for Detailed Bolt Thread Analysis

Market Need Addressed: When dealing with bolted connections, bolts can be abstracted using

simplified models or effectively modeled as full 3D components in the assembly. In the latter

case, the thread is generally omitted, unless one is interested in modeling the analysis of

stresses in the thread area. In such a case, geometrically modeling the thread will lead to a high

number of elements in order to accurately capture stresses, also meaning long computation

times. It is therefore more efficient to be able to define the thread as a contact region with

specific geometric properties. With ANSYS 15.0, engineers can model thread as a special contact

region that defines all the thread characteristics. The computation time for getting stresses in

the thread area is then reduced by a factor of 10 compared to a model where the thread would

be geometrically detailed.

Technical Evidence: Bolt threads can be modeled as a contact where the user defines

the thread properties over a given cylindrical area. The computation of the thread occurs

by internally modifying the contact region to match the thread’s geometry. This capability

is available in ANSYS Workbench mechanical as well.

Staying Clear of Objections: Simulia offers this feature, and we can’t claim for

uniqueness. However, the speed of our solver may still be a differentiator.

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New Contact Options Allow Analysis Of Wear Between Sliding Parts

Market Need Addressed: Almost all engineers perform simulation on assemblies implying

contacts between parts. When various parts are sliding with friction, it can be important to

investigate how wear is affecting contacting parts. With ANSYS 15.0, analysts can compute the

amount of wear along related to the actual shape of parts; they will get more accurate

evaluation of contact pressures.

Technical Evidence: At ANSYS 15.0, users can specify local wear effects from the Archard

model or from a more general user-defined law. Contact nodes are moved as per the

wear increment after the solution is converged.

Staying Clear of Objections: Not directly available in ANSYS Workbench mechanical;

requires APDL commands to be inserted in the model

Nonlinear Adaptive Meshing and Refined Nonlinear Algorithms Help SolveLarge Deformation Models

Market Need Addressed: Addressing nonlinear behavior of a product’s material can add

tremendous complexity to the calculation. As an example, the very high deformation of a rubber

seal adds numerical complexity to a model and often results in solutions that do not converge.

Instabilities such as buckling of slender structures introduces mathematical challenges to model.

A robust structural simulation solver needs to be able to handle all types of challenges with

minimal input from the user.

ANSYS 15.0 introduces the ability to automatically refine the mesh of rubber parts to ensure the

convergence despite large deformations, allowing up to 50 percent more deformation than a

single mesh would provide. There is a refined algorithm to more robustly and more accurately

handle complex nonlinear instabilities.

Technical Evidence: The simulation of nonlinear phenomena is enhanced on two levels:

○ Adaptive meshing: Very large deformation cases will benefit from a new nonlinear

adaptive method that splits and morphs a mesh automatically during the solution

process. Decisions for modifying the mesh are based on user-defined criteria

,such as contact status or mesh distortion.

○ Instability analysis robustness: We have revised our arclength algorithm. The

newly implemented solution provides more robustness when dealing with

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unstable phenomena such as nonlinear buckling or sheet warpage.

Staying Clear of Objections: The adaptive method modifies existing mesh by refining

defined locations by the element splitting method. Problems with with very large

geometric distortion may still require the manual rezoning method to recreate a new

mesh. It is expected that the manual rezoning method used in conjunction with the

adaptive meshing technique will provide robust tools to solve a large class of challenging

problems, like rubber seals and metal forming analyses. In 3-D, the adaptive method only

works for Solid285 elements, mostly used for rubber-like materials (hyperelastic models).

The capability is available only for MAPDL, as ANSYS Workbench will not be able to

post-process results. This is a first step in removing a weakness against leading

competitors (MSC Marc and Simulia). MARC has the lead in this area from their fully

automated 2-D rezoning and 3-D (tet elements).

Advanced Materials Models Help Better Understand Aging Of Products

Market Need Addressed: Advanced material models are required to better understand aging of

materials or failure of a product with cracks. Accurately modeling the cyclic behavior of metallic

parts for life prediction requires combining hardening/softening as well as cyclic creep effects.

ANSYS 15.0 introduces new models and tools to compute how a product will behave over time or

when cracks occur, providing a more in-depth analysis of a product’s behavior.

Technical Evidence: Fracture analysis:

○ VCCT-based crack growth simulation is supported in ANSYS Workbench

mechanical to perform delamination-based crack analysis.

○ R&D is active on crack growth simulation based on XFEM and general purpose

node release approach.

○ The T-stress represents the stress acting parallel to the crack faces. It helps

predict stability and whether the crack will deviate from the original plane.

○ ANSYS 15.0 implements a solution that mixes implicit creep with Chaboche

kinematic hardening. Curve fitting for kinematic hardening is also available.

Staying Clear of Objections: General crack propagation is not available yet. Some

advances are expected for the next release such as XFEM. Fatigue crack propagation may

take longer to develop and release.

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HPC Licensing Value Extended with GPU Acceleration Included

Market Need Addressed: With the previous release, GPU acceleration for structural mechanics

products was supported only by the ANSYS HPC Pack license. At ANSYS 15.0, GPU acceleration

can be enabled through all ANSYS HPC product licenses: ANSYS HPC, ANSYS HPC Pack, ANSYS

HPC Workgroup and ANSYS HPC Enterprise.

Technical Evidence: At ANSYS 15.0, a GPU socket is treated just like one CPU core. Each

HPC license can then enable either a CPU core or a GPU socket. Apart from nVIDIA GPU

hardware, Intel Xeon Phi coprocessors will be supported as well.

Staying Clear of Objections: Make sure your customer understands that the two built-in

HPCs won't enable GPU acceleration. Be aware that the Intel Xeon Phi hardware support

is limited to the shared-memory parallel solver for Linux platforms only.

Performance for Explicit Dynamics Using HPC

Market Need Addressed: Explicit dynamics is used for a wide range of problems, from drop test

to fluid-structure interaction to high-speed impacts. To obtain high-fidelity solutions that closely

approximate real-world problems requires more complex and more detailed models. Large

models can result in long running calculations. Parallel processing is an ideal way to reduce the

elapsed time needed to complete simulation. In the previous release, HPC capabilities were

available in ANSYS Autodyn, but not ANSYS Explicit STR. ANSYS explicit dynamics at release 15.0

outperforms ABAQUS Explicit but runs slower than LS-DYNA in parallel.

Technical Evidence: Parallel processing with explicit dynamics in release 15.0 delivers

scalable efficient speedup for large problems. Remote points, remote displacements,

element erosion, shells, reinforcement beams, breakable bonds and advanced tetrahedral

elements (NBS) can be used in parallel runs. Customers can expect more than a factor of

10 reduction in solution time on 16 cores for most applications in Explicit STR. FSI

problems solved with ANSYS Autodyn continue to see improved parallel performance,

with more than a factor of four using eight cores, since this problem type is less

amenable to efficient parallel performance.

Staying Clear of Objections: Promote Explicit STR and Autodyn parallel performance in

comparison with serial runs. Do not get into speed comparisons with ANSYS LS-DYNA, as

in the majority of cases it will outperform STR and Autodyn.

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Fluids AdvancementsAutomatic Hexahedral Meshing Produces Faster and More Robust Convergence

Market Need Addressed: Some fluids customers have a critical need to provide the most

precise predictions possible; for this, they rely upon (and expect) the highest quality hexahedral

meshes in their simulations. Hexahedral meshes are known to provide robust convergence and

the lowest cell count for the fastest simulation. Usually, creating these high-quality meshes

requires a large amount of time spent manually decomposing the geometry into simple,

sweepable shapes and manually editing element node locations. With ANSYS 15.0, many

moderately complex geometries can be automatically decomposed and meshed to yield a

high-quality hexahedral mesh. This process offers a 24 percent to 500 percent improvement over

the previous release, which can result in eliminating hours or days of manual work from

pre-processing. Our main competitors simply do not offer this capability: They force the user to

manually decompose geometry into sweepable blocks that their products can then mesh

automatically.

Technical Evidence: Multi-zone technology in ANSYS meshing allows for automatic

creation of swept, high-quality, conformal, hexahedral meshes when geometries with

multiple bodies with different sweep directions are present.

Staying Clear of Objections: Not complete - AFT Testing will validate claims and identify

any cautions

ANSYS Fluent Meshing Delivers Fast, Robust, Automatic Mesh Creation for CFD

Market Need Addressed: Engineers often deal with very large and complex geometries

represented by CAD files or surface mesh files, which can have imperfections (holes or gaps that

need to be closed before a fluid volume can be extracted). Resolution requirements can lead to

large computational element meshes. Fixing all geometry imperfections manually requires a

large amount of manual operations (and time); creating these large meshes can be

computationally time consuming. At release 15.0, ANSYS Fluent meshing delivers key

improvements to manage large and complex models:

● Geometry representation diagnostics to identify possible issues like holes and

nonaligned surfaces (gaps) as well repair tools

● High-quality wrapping technology that creates fluid volume while capturing details of

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geometry representation

● Local re-meshing to increase surface mesh quality

Faster graphics and keyboard shortcuts allow for faster interaction with Fluent meshing. As a

result, the capabilities of Fluent meshing at release 15.0 allow us to better fight CD-adapco’s

Star-CCM+ pre-processing workflow.

With the previous release, Fluent meshing was newly integrated into the software to leverage

Fluent’s unmatched HPC capabilities and scalability. ANSYS 15.0 demonstrates this vision with

the availability of parallel meshing, which allows dramatic reduction in meshing time. For

example, for a 42 million-cell mesh, meshing time is reduced by 1.8, 3.7 or even 7.4 times when

two, four or eight processors are used, respectively. (Our main competitor CD-adapco with STAR

CCM+ shows a scalability only of 1.8 on 8 cores) Note that parallel meshing does not require any

HPC licenses; this allow users to create larger mesh faster without having to use precious HPC

licenses for solver operations or without extra licenses investments.

Technical Evidence: Fluent meshing delivers key improvements in automation and speed

in all areas leading to creation of a computational mesh: CAD import, hole and gap fixing,

high-quality surface mesh creation and fast volume mesh creation. The tool has many

advantages:

○ Versatility: Either CAD or surface mesh can be imported.

○ Ease of use: Size functions, which capture model features, can be displayed to

provide feedback that feature capturing is adequate. The user can save the size

functions and re-use them directly whenever needed.

○ Built-in intelligence: Before volume meshing is done, diagnostic tools find and fix

problems in assemblies (gaps or holes), face connectivities (faces overlapping or

intersecting); they also improve surface mesh quality.

○ Accuracy: Improved wrapping tools capture geometry features; diagnostics tools

determine how well the geometry features were captured. Various tools are

available to further improve quality and accuracy of the wrapping when needed.

○ Speed:

■ Local surface remeshing tools locally improve surface mesh quality when

needed, without having to remesh the entire geometry surface

■ Faster volume meshing (up to three times speedup in prism layer

generation)

■ Excellent scalability of parallel meshing when generating tet/prism

meshes (Performance is case dependent, but 92 percent scalability has

been observed on a 42 million-cells mesh when using eight cores)

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Staying Clear of Objections: ANSYS Fluent meshing is a tool for complex and dirty

CAD/models, and customers need to be trained to use it successfully. As ANSYS

Workbench meshing is our prefered tool, one should always start by assessing whether

Fluent meshing is a better tool for a given application. (This assessment should be made

by ANSYS technical engineers, and only the best solution must be presented to the

client.)

Direct polyhedral mesh creation, a competitive differentiator from STAR CCM+, is not

available yet. Therefore, polyhedral mesh creation still requires a tetrahedral mesh to be

generated first and then converted to a polyhedral mesh in ANSYS Fluent. Parallel

meshing in Fluent requires the user to decompose the fluid domain. Automatic

decomposition will come in a future release. Parallel meshing scalability performance

declines after eight cores.

Faster Solver for Complex Physics

Market Need Addressed: Engineers deal with complex physics like multiphase flows, reacting

flows. Usually, the more complex the physics, the more time needed per simulation. Progress in

solver speed allows customers either to maintain their lead on the competition or reach a level

of parity. Therefore, solver speed is a critical point to stress to clients and prospects. ANSYS fluid

dynamics solutions are designed to deliver the fastest solutions (that is, the shortest total

simulation time).

Technical Evidence: Continuous improvement in core solvers speed allows engineers to

increase simulation throughput:

○ Simulation of immiscible fluid using the volume-of-fluid (VOF) model are up to 36

percent faster.

○ Transient Eulerian multiphase flow simulations are accelerated thanks to adaptive

time-stepping support.

○ Dynamic combustion mechanism reduction can lead to simulation that is twice as

fast as previously (and up to seven times faster with large mechanisms when

compared to direct integration; users already using in-situ adaptive tabulation

also shows faster simulation, but the actual speedup will be less). This is

extremely useful for large mechanisms, especially since there is no longer a

50-species limitation. Flamelet generation is much faster; some cases showed

speedup of 50.

○ In the area of combustion, the availability of the diffusion flamelet generated

manifold model complements the previously released premixed flamelet

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generation model to simulate a larger range of combustion applications. Creation

of the flamelet library creation hs been accelerated. For example, a 100 species

mechanism steady laminar diffusion flamelet library can be computed in 20

minutes, instead of 24 hours with the previous release.

○ The reactor network model speeds up complex 3-D combustion simulation by

clustering cells based on closeness of chemical composition space. This allows

for complex chemistry to be computed only once per clustered cells, instead of for

each and every cell. Actual speedup depends on the application and chemistry.

Solution Scalability up to Three Times Better

Market Need Addressed: Engineers always needs faster solutions, and many use HPC

technology to increase their simulation throughput. As they increase the number of processors

used per simulation, they often reach a scalability barrier, in which adding additional processors

does not produce a proportional benefit in performance. While delivering ground-breaking

scale-out performance at 15,000 for large (100M+ cell) models, ANSYS Fluent 15.0 features

significantly improved solver and parallel efficiency at lower core counts.

Technical Evidence: Continuous improvement in HPC scalability and robustness allows

engineers to increase simulation throughput using HPC resources.

○ Improvement in HPC scalability: demonstrated scalability above 80 percent

efficiency with as low as 10,000 cells per compute core. This is a threefold

improvement compared to the previous release. This means that a 1M cell

problem can now efficiently use 100 cores at ANSYS 15.0, while in the previous

release no more than 30 cores could have been used, resulting in a three-times

speedup.

○ Reduction in the time needed to read a simulation file and start the simulation on

HPC cluster, for both ANSYS Fluent and ANSYS CFX. In some cases, this startup

time has been reduced from 30 minutes to 30 seconds.

○ Users simulating flows with large numbers of particles witness excellent

scalability (for example, a flow with 1.2 millions particles shows 80 percent

parallel efficiency on 6,000 cores). Or, using a commercial 30M case, speedup of

about 100 percent is observed.

○ Improving CFX scalability on larger core counts has been a focus area for release

15.0, and users can already access implemented improvements through

parameter settings. The actual performance will vary depending upon the

specifics of a case; an example industrial six-stage axial compressor case showed

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that a speedup of five times can be achieved.

Staying Clear of Objections: CFX scalability improvements are still work in progress, but

many are already available to users.

GPU Support for Fluid Solver

Market Need Addressed: Engineers always need faster solutions, and ANSYS investigates all

technologies that will help them do so. At release 15.0, ANSYS Fluent supports solver

computation on GPU. This can lead to a speedup of up to 2.5 times. This key investment in

technology must be leveraged in any competitive situation, to demonstrate that an investment in

ANSYS fluid dynamics is a safe investment with regards to new emerging HPC technologies.

Technical Evidence: GPU support for the 3- AMG coupled pressure-based solver

demonstrates the ANSYS commitment to allowing customers to leverage new and

evolving technology, such as GPU, for faster simulation.

Staying Clear of Objections: The current implementation is suited for single-phase flows

that don’t involve large particle calculations, chemical reactions and interphase tracking.

In these kinds of flows, GPUs are a good fit if users are using a pressure-based coupled

solver. ANSYS continues to explore where and how new and evolving technology like

GP-GPUs (or Intel's Xeon Phi coprocessors) can be applied to software like ours. GP-GPU

technology is very promising, and this is one we are investing in. Expect to see more

features and solver capabilities being supported on GP-GPU in future releases. As we do

so, we will learn more about how to best use this technology and provide clients not only

GP-GPU supported technologies but also key insights and best practices on how to

leverage this technology for different applications, how to best select CPU/GPGPU

hardware, etc.

Improvements in Solver Robustness Deliver the Right Answer the First Time

Market Need Addressed: Engineers need simulations that converge robustly to accurate results.

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Any time the user has to hand-hold a simulation to ensure convergence, debug a setup, etc., he

loses precious time. ANSYS makes accurate, robust simulation technology so engineers can focus

on designing better products, not on dealing with numerical issues to reach a converged

solution. Benchmark after benchmark, ANSYS fluid dynamics simulation products are found to be

second to none.

Technical Evidence: Continuous improvement in simulation robustness allows engineers

to get the accurate solutions with the minimum amount of solution handling.

○ If a simulation running on multiple computation cores stops because of a nonfatal

crash, the simulation can be restored to a usable state.

○ ANSYS 15.0 offers improved robustness in cases involving moving and deforming

meshes. Node-based smoothing is significantly more robust than previous

cell-based smoothing and allows smoothing to handle larger deformations,

particularly for meshes with boundary layer resolution/high aspect ratio elements.

This is key for internal combustion engines and fluid-structure interactions

applications.

○ Robustness is improved for simulations involving moving geometry in ANSYS CFX,

for both turbomachinery and general applications, so that significantly less user

adjustment of numerical parameters is required.

○ With Lagrangian particle tracking, hard-to-converge problems will find the new

source term linearization feature very handy. It allows the use of a larger dpm URF

and, hence, converge the cases faster, even ones that were difficult to converge

using the previous release. Overall, convergence behavior will improve.

○ For evaporation and condensation applications, coupling the new thermal phase

change model with the evaporation/condensation model significantly improves

accuracy of phase-change simulation.

○ Convergence manager and running average features allow for more automatic

management of solution convergence.

○ An exit-corrected mass flow boundary condition for turbomachinery simulations

means that users no longer need to adjust settings and options depending on the

operation point being simulated, streamlining the overall simulation process and

enhancing robustness.

Improved Heat Transfer between Fluid and Fabricated Solid StructureComponents

Market Need Addressed: For many products, heat transfer phenomena between a fluid and a

thin material region are critical in determining product performance. One example is heat

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transfer between a car hood and the flow of air ventilation under the hood. There are many

challenges:

○ Fluid volume size can be much greater than the solid thickness. Being able to

simulate heat transfer phenomena at these two different length scales is

challenging.

○ The fabricated solid structure can be made of different layers of different

materials, with different thermal properties.

○ The fabricated solid structure can be made of composites material, whosethermal

properties can vary greatly.

Up to now, simulation could require an actual mesh to be generated in the thin fabricated

structure. This could take hours, if not days. With ANSYS 15.0, users no longer need to

volume-mesh these thin structures. Underhood thermal management applications can benefit

from this new capability. This is helping to close the gaps with CD-adapco STAR-CCM+.

Technical Evidence: Numerous new capabilities aimed at simulating complex heat

transfer phenomena between fluid and fabricated structures are available.

○ Multilayer shell conduction enables modeling the heat conduction in multiple

layers of the same or different materials that are in contact with one another

without having to volume-mesh the thin zones. This allows engineers to simulate

more complex fabricated structure materials. It greatly simplifies these thermal

management simulations while speeding up the workflow. Underhood thermal

management applications can benefit from this new capability.

○ Anisotropic thermal conductivity behavior for solid materials can be modeled. For

example, composites materials for which the conductivity matrix components vary

independently in space can be modeled.

○ The surface-to-surface (S2S) radiation model supports nonconformal meshes. This

provides more flexibility in meshing both large fluid volumes and thin fabricated

structure for a single simulation. This also speeds up the simulation.

Staying Clear of Objections: Shell conduction has the following limitations: It

cannot be applied: (1) on coupled nonconformal interfaces, (2) on moving walls,

(3) FMG initialization cannot be used, (4) mixture model is not supported, (5) it

does not support 2-D models, (6) density-based solver is not supported, (7) cannot

perform merge/split of shell conduction walls, (8) cannot be applied on adapted

mesh, (9) flux report does not include all fluxes, (10) cannot be applied in

uncoupled internal walls.

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Simulating Liquid Films Accurately and Quickly

Market Need Addressed: Engineers often need advanced modeling capabilities to simulate

applications with complex multiphase flow behavior. Without constant progress in physical

modeling capabilities, engineers would have to make numerous simplifications at the simulation

stage, accept less-than-accurate representations of the real behaviors of the systems they are

simulating, or continue to rely heavily on physical testing for complex problems. This

demonstrates ANSYS core fluid dynamics leadership.

● Technical Evidence: Key progress in the area of wall film modeling and

simulation of evaporation and condensation:

● The Eulerian wall film model is compatible with the moving wall, moving

reference frame model (key for turbomachinery applications) and periodic

boundary conditions. Condensation and vaporization can be simulated with the

Eulerian and mixture multiphase models. These extensions benefit applications

like the running wet and run-back analysis of aircraft components, in-cabin

condensation in the aero industry, and fogging/defogging of windshields in the

auto industry.

● Evaporation and condensation applications: Coupling the thermal phase change

model with the evaporation/condensation model significantly improves accuracy

of phase-change simulation.

Staying Clear of Objections: When using the Eulerian wall film model with heat transfer,

the time steps required are very small, restricting the applicability range.

Blade Flutter and Forced Response Analysis done in Hours, Not Days

Market Need Addressed: As turbomachinery blade designs are optimized further, more detailed

analysis is needed to make additional improvements. Beyond flow simulations capturing more

geometry and transient flow details, accurately capturing the interaction between fluid and

structure is becoming increasingly important. While this is theoretically possible with the

two-way FSI capabilities that ANSYS offers, the disparate time scales involved make the

computational cost prohibitive in practice. ANSYS offers pragmatic alternatives for two key

applications: blade flutter assessment (propensity of time-varying aerodynamic loads to cause or

suppress increasing blade vibrations) and forced response analysis (incorporating the effect of

time-varying aerodynamic loads in a modal analysis). The process and workflow for both has

been improved and streamlined, eliminating various manual intermediate steps that can be

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cumbersome and represent sources for error. Both types of analyses take advantage of the

advanced transient blade row methods available in ANSYS CFX to dramatically reduce the

computational effort associated with required transient flow predictions. The overall result is

that both types of analyses can be performed at a fraction of the effort and computational cost

required previously. CD-adapco has no such solution. Numeca has a similar solution but does not

have the breadth that ANSYS fluid dynamics solutions offer.

Technical Evidence: ANSYS Release 15.0 extends and enhances the ability to

pragmatically assess the interaction between fluid and structure on bladed

turbomachinery components, with the introduction of support for forced response studies

and the improvement of the ability to assess blade flutter.

○ Forced response is enabled by allowing users to directly export time-varying

pressure loads determined in a transient flow simulation, in a form that can be

immediately applied as a load in modal analysis in ANSYS Mechanical.

○ Blade flutter incorporates the ability to compute and monitor aero-elastic

damping, streamlining the ability to assess the tendency of a blade to flutter.

Complete Two-Way Surface Thermal and Structural FSI

Market Need Addressed: To gain accurate insight into a product’s performance, engineers

study a product in its entirety by considering all the physics (as well as their interactions)

impacting the product. Addressing these interactions with typical simulation software can be

very difficult because of the inability to share data and integrate during the solution process.

ANSYS delivers a unique approach to multiphysics simulation through ANSYS Workbench, which

allows engineers to visually connect different physics simulations and have them automatically

share data and integrate their solutions real-time. Typical applications are electric or electronic

components, which can be distorted by heat dilation and impact the cooling flow patterns, brake

and clutch, etc.

Technical Evidence: Release 15.0 offers coupling features that complete the ANSYS

fluid-structure interaction offering with capabilities for:

○ Two-way surface thermal FSI with ANSYS Fluent and ANSYS Mechanical via system

coupling

○ Two-way surface thermal and force/displacement (deformation) FSI with Fluent

and Mechanical via system coupling

Any designs and products in which flow temperature influences the material system and,

in turn, the material temperature influences either flow temperature, design shape or

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both can benefit from this extension to the already large multiphysics offering.

Staying Clear of Objections: Two-way surface thermal FSI can be combined with surface

force-displacement coupling for applications that involve both thermal and deformation

effects. This capability requires that a coupled-field element solution is used in

Mechanical to allow both structural and thermal degrees of freedom. This requires

command objects in Mechanical to enable the coupled-field elements, as these elements

are not directly supported in the Mechanical UI.

Tailored Application for Gasoline and Diesel Combustion

Market Need Addressed: Simulations of internal combustion (IC) engines are complex to set up

and perform: companies and engineers need tools which allow them to perform IC engine

simulations quickly and accurately. While general purpose fluid dynamics codes contain all of

the physical capabilities to perform IC engine simulations accurately, setting up these

simulations can be a complex and extremely time-consuming process. ANSYS has developed a

Workbench application tailored for internal combustion engines. However, at release 14.5, the

setup of combustion physics still relied heavily on the use of journal files, which can be

challenging to create or modify. With ANSYS 15.0, the entire model (from physics to monitoring,

solution and post-processing) for gasoline or diesel combustion can be setup using the graphical

user interface.

Technical Evidence: The internal combustion engine system is extended at version 15.0

with the following new capabilities:

a. Key grid support. The key grid capability is new in ANSYS 15.0. It helps in cases

where remeshing the moving geometry can be troublesome. It involves creating

meshes at key crank angle positions apriori through the tool. During the run, the

starting mesh is modified until the simulation reaches a crank angle where a new

mesh (key grid) is available. At that crank angle, the solution from the existing

mesh is interpolated on the new key grid mesh automatically. The simulation then

continues to run on the new mesh until the next key grid is available at a later

crank angle. It gives tremendous flexibility in using the right mesh needed to

resolve the right physics at the right time. Eg., if the spray model needs a certain

region to be resolved finer than other, this new mesh can be created and read in

only just before the spray is injected.

b. Complete combustion setup from geometry to report for diesel or gasoline without

the need for any journal files. This is available for different combustion simulation

options: sector, full-engine full cycle or full engine Inlet Valve Closes (IVC) to

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Exhaust Valve Opens (EVO)

c. Dynamic mechanism reduction using a Directed Relation Graph method for faster

chemistry computation

d. Improved spark model. At R14.5 the spark model is extremely sensitive to the grid

size, time-step and spark parameters (initial radius, spark energy, initial

turbulence, etc.). This issue has been addressed in release 15.0: We solve an

equation for the flame radius below the cell resolution, while slowly ramping-up

combustion in the small spark radius. This is a much more robust strategy and

lead to less sensitivity than at R14.5

e. Port flow simulation now supports parameters. It can be a very effective design

tool that can shorten design cycles.

Staying Clear of Objections: The Workbench IC engine tool has very useful new

capabilities in terms of setting up combustion simulations. The workflow is reasonably

easy to navigate. There are still some concerns about the speed of running these large,

transient simulations but we will continue to optimize this in future releases. The key-grid

capability is new at this release and we will continue to mature this advanced new

functionality.

Shape Optimization Through Mesh Morphing Extends to Very Large Models

Market Need Addressed: When companies and engineers aim to optimize the geometry or

shape of a product, they need a fast process to assess the performance of different designs.

Typically, the process followed is to define a geometry, mesh it, perform an analysis, interpret

the results, change the geometry, generate a new mesh, perform another analysis, and compare

the results to assess whether the new design is better or worse than the previous design.

Besides being a very time-consuming process which does not scale, it also relies on the user to

determine the different shapes which must be tested. As a result, the success of such an

optimization relies on the users being either experienced or lucky enough to input the shape

which will, after the simulation, be selected as the best design. Furthermore, each geometry

simulation will be as time consuming as the previous one, thus limiting the efficiency of this

approach.

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Technical Evidence: At ANSYS 15.0, both the capabilities of the adjoint solver, an

advanced technology used in shape optimization and the mesh morpher and optimizer

have been extended.

a. The adjoint solver now supports problems with up to 30 millions cells. Also, the

core functionality of the adjoint energy equation has been implemented such that

observables can be defined as various integrals of heat flux and temperature –

including averages and variances.

b. For the mesh morpher and optimizer, the control point selection was made easier

by allowing them to be defined using right-mouse-button clicks.

Staying Clear of Objections: None

Enhanced CFD Usability

Market Need Addressed: Engineers and companies have to increase their productivity

continuously to be the first to market. The tools they are using to develop products must

therefore be easy and intuitive to use and must have the capability to be seamlessly integrated

into their company processes. Without such solutions, users can often end up spending more

time dealing with the actual working of the simulation software rather than simulating the

behavior of new product design.

Technical Evidence: In release 14.5, users will be delighted with enhanced simulation

monitoring and control, visualization performance improvements, and more powerful

solution initialization.

a. Easier determination of simulation convergence via enhanced solution monitoring

which allow users to track running averages of forces, moments, surface and

volume averages

b. Faster visualization of models when they are rotated, translated, etc. For large

model, this visualization speedup can be up to 25 times.

c. Post-processing of discrete particles variables variables offers a way to store

particle information on the Eulerian grid and be able to display it without a need

to do tracking.

d. Enhanced post processing of aeroacoustics sources using decibels (dB) contours

for user-defined frequency octave bands

e. Post-processing with a large number of expressions in CFD-Post has been sped up

significantly, to make interactive response nearly instantaneous.

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f. Interactive generation of plots across numerous locations is made much easier for

all users of CFD-Post.

g. The ability to initialize simulations based on previous solutions of a reduced

portion of a model provides a extremely efficient means to get large models

started - of particular benefit to turbomachinery analysts, but also other CFX

users.

h. Complete abilities to expand and efficiently instance solutions from Transient

Blade Row (TBR) within post-processing.

i. Increased means of diagnosing and assessing the results of particle tracking

simulations, to ensure users can both graphically visualize and quantitatively

analyze their simulations of particle-laden flows.

j. Individual enhancements to turbomachinery tools that complement CFD analyses,

as well streamlining interaction and workflow amongst applications.

Staying Clear of Objections: None

Project-Level Reporting is Introduced for CFD Simulations

Market Need Addressed: The real value of simulation is the engineering insight derived from

the results. The number of simulations executed grows dramatically as designers move from

performing one-off analysis to analyses involving multiple parametric variations. It then becomes

increasingly important to extract relevant insight from each simulation performed in order to

maximize return on investment.

Technical Evidence: CFD-Post has an integrated reporting capability that allows

automated creation of reports which include graphs, figures, tables and quantitative

calculation results. Now, with ANSYS 15.0, those results can be collected at the project

level. This means that design points can yield richer results; rather than just numerical

output parameters, designers can get access to rich report content for every design point

in the project, allowing rapid comparison of detailed results for candidate designs.

Faster and more accurate Blow Molding and Thermoforming Simulations

Market Need Addressed: Engineers performing thermoforming and blow molding simulations

deal with transient simulations that must be as fast as possible. Furthermore, as the shape

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changes during the process, so does the mesh. This mesh adaptation must be fast and accurate.

This can present some advantages when using ANSYS Polyflow to compete with Moldflow from

Autodesk (for blow molding applications)

Technical Evidence: Progresses both in accuracy and parallel performance

a. In the area of parallel simulation, users can expect a reduction by a factor of 2 in

the required memory while the computation speed doubles

b. In blow molding and thermoforming simulations, the mesh is adapted to the large

deformations via sub-division of elements for improved accuracy. This

sub-division mechanism is improved in order to cope with non-isotropic

deformation.

Staying Clear of Objections: Parallel performance were demonstrated for up to 4 cores.

Parametric Simulation with ANSYS Icepak

Market Need Addressed: Engineers dealing with electronic thermal management issues often

need to test different configurations, thus parametrize their models. In release 15.0, parameters

can be assigned inside the Workbench environment. This is much more time effective than

manual changes of the parameters and also allows for connection to optimization tools.

Technical Evidence: Icepak parameters can be published to the Workbench parameter

manager

a. Allows design points, design of experiments, and optimization with ANSYS

DesignXplorer

b. Enables multiple simultaneous design point solutions with HPC parametric packs

Staying Clear of Objections: Only supports parameters supported by the Workbench -

String and Boolean parameters are not supported at ANSYS 15.0

Easy Simulation Setup with ANSYS Icepak

Market Need Addressed: Engineers dealing with electronic thermal management issues need to

be able to quickly setup simulation analysis. The Problem Setup Wizard provides a simple

interface with user guidance for defining the physics of the model versus navigating the

selections in the Problem Setup panel. This is a time saver for users.

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Technical Evidence: Icepak parameters can be published to the Workbench parameter

manager. Problem Setup Wizard provides a new mechanism for defining the options in

the problem setup panel - once a user executes the Problem Setup Wizard the Problem

Setup panel is fully defined

Staying Clear of Objections: None.

Tracking Humidity or Pollutants in Electronic Cooling Applications

Market Need Addressed: Engineers designing consumer electronics products or data center

cooling facilities need to be able to simulate relative humidity levels. Engineers designing

avionic boxes, need to be able to track exhaust levels (and the mixture or air and exhaust).

Therefore, an electronic cooling solution which can track multi-species mixture is needed. This is

a competitive advantage because this is a capability that FloTherm XT does not currently

support, a Mentor Graphics customer must use FloEFD to simulate species transport.

Technical Evidence: Icepak models the mixing and transport of multiple species:

a. Icepak solves conservation equations describing convection and diffusion for each

component species

b. Up to twelve species are supported

c. Both steady-state and transient solutions are supported

Staying Clear of Objections: None.

LF Electromagnetics Advancements

New Features in ANSYS Maxwell Deliver Breakthrough Accuracy inPredicting Performance of Electric Machines

Market Need Addressed: Nearly half of the global energy is consumed by electrical motors and

this drives a need for highly efficient motor drives. In addition, due to the pressure of increased

cost of permanent magnet materials which are widely used in electrical machines, the right

choice of permanent magnet properties and ability to withstand demagnetization is critical. As a

result, there is a clear global demand for a comprehensive methodology for the design of

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efficient, reliable and optimized electrical machines working with the electric drive and digital

control system.

Technical Evidence:

a. 2D/3D Vector Hysteresis Modeling – This capability, applicable for both soft

magnetic and hard magnetic materials, can be used to accurately account for

magnetic behavior of ferromagnetic materials in motors, transformers, inductors,

solenoids when magnetic operating point history has significant impact on the

performance operation of such devices.

i. Traditionally, designers need to use correction coefficients based on

experimental data to accurately calculate loss in a machine. These

coefficients are not scalable because this method is dependent on a

particular design case and specific application. For other applications such

as hysteresis motors and magnetic recording, the lack of hysteresis

modeling makes FEA unusable to properly design these devices. This new

capability in Maxwell enables designers to account for cross-coupling

effects which are always part of the physical device operation but very

difficult to predict.

ii. Efficient solution:

1. Does not require model parameter identification

2. Minimal memory allocation and time computation

iii. This capability is a significant competitive advantage for Maxwell.

Competitors use approximation methods or do not possess hysteresis

modeling capability.

b. Non-Zero Initial Condition Transient Analysis – Due to complex topologies and

large size designs of various electric machines and power applications it normally

takes huge computation time for a 3D transient solution to reach steady state,

especially, for a device with large electromagnetic time constant; there is a strong

desire to significantly cut computation time.

i. With the release ANSYS Maxwell 15.0, new advanced algorithms deliver a

minimum of 5X speed in the total time computation to achieve

steady-state conditions of electric machines and other low-frequency

electromagnetic device simulations

ii. Support Master/Slave (Symmetry) Boundary Condition for 2D Transient

Translation Motion. This capability enables the users to analyze large

linear electrical machine designs by reducing the total design space.

iii. This is a competitive advantage ANSYS Maxwell as it provides significant

computational speed to the already leading Maxwell solver.

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New ANSYS Maxwell Feature Enables Accurate Modeling of

Electric Transformers

Market Need Addressed: In order to accurately predict the total loss in electric transformers

designers must consider the extra power loss due to the magnetic properties of the materials

that comprise the transformer housing. However, including the housing in the simulation

dramatically increases the computation time. A new nonlinear impedance boundary condition

has been added to Maxwell that enables users to accurately approximate the power loss in the

transformer housing without increasing computation time.

Technical Evidence:

a. Nonlinear impedance boundary - This capability enhances the 3D eddy-current

solver by enabling electric transformer designers to consider the housing

nonlinear ferromagnetic effect into the transformer power loss computation.

b. This is a competitive advantage for Maxwell. Most competitors, with the

exception of Flux 3D, do not have this capability.

New ANSYS Workbench Multiphysics Coupling Delivers Advanced

NVH Analysis

Market Need Addressed: Noise, vibration, and harshness (NVH) analysis, is typically performed

in automobiles and aircrafts. The sources of noise in a vehicle are many, including the engine,

electric motors, driveline, tire contact patch and road surface, brakes, and wind. NVH needs good

representative prototypes of the production vehicle, for testing. These are needed early in the

design process as the solutions often need substantial modification to the design, forcing in

engineering changes which are much cheaper when made early. These early prototypes are very

expensive, so there is great interest in computer aided predictive techniques for NVH.

Technical Evidence:

a. The New Workbench Multiphysics coupling enables designers to transfer from

their electromagnetic design flow important knowledge to Structural Dynamics to

predict critical mechanical behavior.

b. Fast Fourier Transformation data performed on Maxwell transient spatial vector

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force density is transferred to Structural Dynamics to evaluate the frequency

spectrum of Displacements and further compute the Acoustic Field. This delivers a

robust noise and vibration analyses for low-frequency electromagnetic devices as

electric motors, electric transformers, and magnetic actuators.

c. This is a strong competitive advantage for the ANSYS portfolio. Competitors do not

have strong capability or are providing a weakly coupled solution with partner

software.

Expanded Multiphysics Automotive and Power Libraries in ANSYS

Simplorer

Market Need Addressed: In the automotive sector – Inverter/Converter packages, electronic

ignitions, voltage regulators, automatic motor controls, air and fuel metering, anti-lock brakes

and intelligent airbag systems are just a few of the innovations made possible through

electronics. With the advancement in electrical design even more features are possible including

drive-by-wire, electronic four-wheel steering systems, electrically heated catalyst, electrically

activated valves and active suspension. All these applications require various degrees of

multiphysics advancements. Electric and Hybrid-electric propulsion concepts that hold the

promise of cleaner, more efficient transportation rely heavily on electrical and electronic

innovation considering the natural interaction with their corresponding multiphysics behavior.

Technical Evidence:

a. Multiphysics Component Library for HEV and EV Applications. ANSYS Simplorer

provides with a newly created VHDL-AMS library dedicated to automotive

applications for HEV/EV system designs.

b. Power MOSFET and Power DIODE are now part of Characterization Device. These

two power electronics components complete the offering of current Characterize

Device tool by enabling the users with specific user interface and comprehensive

algorithms to characterize physical devices based on datasheets or experimental

data to enhance the simulation operation range based on multi-operating point

capabilities.

c. This is a catch-up feature for Simplorer. Most competitive software have

extensive models libraries.

Virtual Mechatronic Design Enabled by ANSYS Simplorer and

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SCADE

Market Need Addressed: Embedded software is a key enabling feature in mechatronic system

design as it provides the intelligence to control the system. To date development of the

hardware and software aspects of products has been completed in silos by separate engineering

groups with integration of the hardware and software coming later in the design process. This

leads to normal integration errors being introduced late in the design process when design

changes are more costly.

Technical Evidence:

a. ANSYS addresses this system engineering problem with the coupling of the SCADE

suite (from Esterel) to ANSYS Simplorer. With this coupling, companies can

virtually verify power electronic and mechatronic systems earlier in the design

process by including embedded software generated by the SCADE suite with the

hardware including electrical, mechanical and fluidic sub-systems modeled in

Simplorer.

b. This capability levels the playing field with competitors that already possess

embedded software co-simulation features.

ANSYS Workbench Advancements

ANSYS Workbench Manages Execution and Data for Large Number of DesignConfigurations

Market Need Addressed: Running a large number of parametric simulations often requires that

those simulations be run on remote cluster computing resources. Managing a large number of

simulations efficiently and robustly is critical to engineering productivity.

Technical Evidence: ANSYS 15.0 delivers two key efficiency improvements for design

points solved via the Remote Solve Manager (RSM). First, when solving design points that

involve parametric variations of the geometry, the geometry updates are performed

locally; now jobs are submitted as each geometry is available; in previously releases, no

jobs were submitted until all of the geometry variations had been prepared locally.

Second, when design point results are complete, the local Workbench project will merge

any available results; in previous versions, results were merged one design point at a

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time. These two enhancements significantly reduce the overall time to compute design

points, particularly when design points are solved simultaneously as multiple jobs on the

cluster.

In addition, numerous improvements were made to the Remote Solve Manager itself,

improving performance, reliability, and UI responsiveness, even when running a very

large number of jobs simultaneously.

Improved Configurability of Remote Solve Manager (RSM)

Market Need Addressed: HPC and cluster computing resources at medium to large

organizations are growing increasingly complex and are often custom configured to meet the

diverse needs of engineers who need access to these computing resources. ANSYS 15.0

introduces support for additional job schedulers and offers cluster administrators greater

flexibility to integrate with both supported and unsupported schedulers.

Technical Evidence:

a. With ANSYS 15.0, RSM offers support for the widely-used jobs Univa Grid Engine

(formerly-known as Sun Grid Engine, SGE) cluster resource management software.

b. Further enhancements to the RSM Setup Wizard make it easier to setup and

deploy RSM for standard cluster configurations.

c. ANSYS 15.0 also delivers a well-documented API which allows for the

configuration of custom job schedulers. It is now also easier to introduce custom

command line job submission arguments.

New EKM Capabilities Simplify Remote Access to Centralized

Compute Resources

Market Need Addressed: As the demand for HPC infrastructure to support simulation continues

to grow, ANSYS customers are increasingly deploying HPC in centralized data centers or

consolidating multiple regional data centers into just a few global resources. At any scale, there

is a need to enable end-users to be able to manage the data where it is produced intelligently,

access these resources including 3D graphics and interactive launching of simulations tools via

remote access and the ability to submit and monitor batch jobs.

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Remote Desktop Capabilities - ANSYS 15.0 extends the data and process management offering to

remote users with seamless access to the simulation resources via remote desktop capabilities.

These are built on the core EKM offering which brings security and access control, distributed

data management for comprehensive remote file management avoiding unnecessary file

transfers, and enables server-side treatment of data, as well as file transfer from/to the user's

desktop.

Technical Evidence: ANSYS 15.0 remote execution/visualization solution enables

effective use of centralized /consolidated infrastructure by enabling the entire simulation

process to be conducted by an end-user who is remote from the computing infrastructure.

Users can now launch remote desktop sessions from the ANSYS EKM (web)

a. Enables high performance remote access to interactive 2D/3D software

applications

b. Supports multiple OS (Windows, Linux) with GPU sharing

Job Management Tools - ANSYS 15.0 brings the first set of capabilities to enable

batch/interactive job management. This includes integration of application-specific tools for job

submission, monitoring, and control, which contribute to both engineering and IT efficiency. For

the engineering end-user, these tools provide the ability to interact with and control in-progress

jobs. For the IT organization, such tools can help reduce IT operational expense via less time

spent on troubleshooting and end-user support.

Technical Evidence: The new job management user interface available within the ANSYS

EKM product leverages tight integration with RSM technology to facilitate the following

a. Easy access to compute resources

b. Simplified Job Management

c. Definition, Execution, Monitoring & Job Templates

The users can register Workbench projects with the repository and this allows remote

access to the Job in server mode for users to make updates.

Staying Clear of Objections: This is the initial release from ANSYS on job management

capabilities. The intention is not to compete with full blown job management utilities like

PBS Professional or Moab job management tools. Stay away from positioning this as a full

blown competitive offering against those tools.

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