Siemens Corporate Design PowerPoint-Templates · •NX 10 methods (Distribute Mass, Yes/No) still...
Transcript of Siemens Corporate Design PowerPoint-Templates · •NX 10 methods (Distribute Mass, Yes/No) still...
Simcenter 3DSimcenter 11 Yenilikler
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Introducing Simcenter™ Portfolio for Predictive Engineering Analytics
Simcenter™
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NX Nastran
Simcenter 3D
Simcenter™ Portfolio for Predictive Engineering Analytics
Simcenter 3D
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Available
August 5th
2016
Simcenter™ Portfolio for Predictive Engineering Analytics
Launch Simcenter 3D
Simcenter™ 3D is our next generation 3D CAE
solution based on the NX platform and
expands on the heritage of NX CAE, NX
Nastran, LMS Virtual.Lab and LMS Samtech
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New Functionality in Simcenter 11
Simcenter 3D and NX Nastran
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Structural Analysis Demo
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Pre-processing Key Details
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Lumped Masses From Solid Bodies and Meshes
Objective: Make creation of lumped masses more efficient by
basing them on bodies and meshes
Implementation:
Use solid bodies and meshes as input to lumped mass creation
• Place lumped mass at CG
• Option to combine bodies into 1 lumped mass
• Option to offset location and add additional mass
• Option to overwrite mass calculation with a user defined mass
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Mesh Primitives
Objective: Create meshes based upon analytical shapes
Implementation: Mesh Primitives commands
• 0D, 1D, 2D, and 3D meshes
• Creates nodes and elements in the absence of geometry
• Primitive geometry: points, lines, circles, Cartesian planes,
Cartesian boxes, and spheres
Recipe support for all types so editing is available after creation
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Fill Holes in a Mesh
Objective: Fill holes in a mesh as needed for solid or shell analyses
Implementation: Introduce a new command and new selection
methods
• Mesh from Boundary
• Smart selection hole element edges, element edges by group
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Remove Ribs
Objective: Identify and remove elements that
define a rib feature in the FEM
Implementation:
Remove Ribs command that detects
rib elements based upon
• Detection parameters
• Maximum elements in rib
• Maximum rib area
• Thin rib as a minimum % of nodes on
rib edge
Option to retain elements identified as a
rib by removing ribs from the list
Option to create groups from the ribs
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2D Mesh Multi-Block Decomposition
Objective: Produce more structured 2D meshes
Implementation:
Extend multi-block decomposition in 11 compared to 10
• Decomposes faces into more rectangular regions
• REQUIRES use of Free Mapped Meshing option to produce
structured meshes; subdivision/paver also influence result
Without multi-block, with subdivision With multi-block, free mapped, and paver
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Improved Feature Capture in 2D Meshes
Objective: Produce a mesh that better represents the CAD feature
Implementation:
Smarter geometry abstraction with CAD curvature abstraction
• When abstracting blends, consider abstracting to the blend crest
if blend is larger than Minimum Element Length, but smaller than
2X MEL
• Avoids turning a blend into a chamfer and an overly stiff
representation
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Adaptive Meshing Updates
Zones
• Suppression, refinement, singularity
Singularity detection
• Implement special refinement method around singular regions
Bounding volumes
• Analytical volumes used to define suppression and refinement zones
Refine mesh from an element size (length) spatial field
Cutoff stress (minimum stress norm) for absolute steady stress convergence
LOG file
Keep solver files for all iterations
Adaptive analysis of normal modes solutions
Adaptive analysis in the context of AFEM
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Refinement Zone – Conditionally Converged Solution
Define a refinement zone around the blend notch
• Cylinder
Refine in the zone, but nowhere else
Error after 5 iterations in the zone: 4.5 MPa (Target: 5.0 MPa)
Max error in the model: 12.4 MPa
Model converged because error outside the refinement zone is
ignored
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0D Mesh Geometry Weighted Distribution of Mass
Objective: Apply additional mass to a model to represent a coating
on geometry
Implementation:
• Update the 0D Mesh command to support geometry weighted
average distribution of a total mass
• NX 10 methods (Distribute Mass, Yes/No) still supported
• Applicable to NX Nastran and Simcenter Multiphysics CONM2
• User specifies total mass for a mesh and selects geometry
• Simcenter creates a lumped mass at each node on the geometry
and bases the mass values on average length/area/volume at
each node
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Tensor Based Loads: Initial Stress/Strain
Objective: Create a load based upon tensor data such as initial
stress or strain
Implementation:
New load type specific to initial stress/strain
• Requires a spatial field
New spatial fields dependent domains stress/strain tensors
New option in post processing to create tensor fields from results
Simcenter Multiphysics solutions in version 11 support initial
stress/strain loads
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Electronic Simulation Demo
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Motion Key Details
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Motion
User Need
• Motion for advanced MBD solution
• Linking Motion with controls
• 3D contact analysis
• Ability to model tire forces acting between rotating
wheels and the road
Applications
• All industries for MBD solution
• Automotive, off road
Enhancements
• LMS Solver now available
• New XY Graphing methodology
• Result Measures to capture Motion results in NX
Expressions
• Many usability enhancements
• Foundation for future MBD vertical applications
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What’s New Simcenter 11 Motion Overview
Introduction of Simcenter Motion Solver
• Improved 3D Contact
• New Features
• Link Driver
• Tire and Road Models
• Flexible Links Improvements
• Extended Mechatronics capabilities
Usability Enhancements
• Packaging Tools
• Post-Processing topics
• Graphing
• Result Measure
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Simcenter 11 Motion – New Features
Tires and Roads
• Tires
• Enabling accurate simulation of nonlinear forces at the interface between
tires and road
• Industry-proven tire formats; Simcenter Motion, CDTire,
TNO, and Ftire
• Roads
• Easy to define 2D and 3D road surfaces and paths
• Support of common road profile formats
Flexible Link
• Enhanced Nastran support
• Modal result file simplification
• Enhanced post-processing procedure
• No further Nastran computation required
NX Motion Solver Only
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Simcenter 11 Motion – New Features
Extended Mechatronics Capabilities
• Matlab
• Coverage of co-simulation capabilities (<Simcenter 11)
• Extended capability with new coupling schemes
• Export co-simulation (<Simcenter 11)
• Export model exchange
• Import co-simulation
• Amesim
• Added coupling capability between Simcenter Motion and
Imagine.Lab Amesim
• Export co-simulation
• Import co-simulation
• Import model exchange
NX Motion Solver Only
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Acoustics Key Details
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Acoustics
Predicting, Analyzing, Improving Vibro-Acoustics performance
using 3D simulation, effectively and efficiently.
NX10: Interior Acoustics (Cabin Acoustics)
Simcenter 11: enabling EXTERIOR Acoustics
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Machinery noise radiation(pumps, engine, compressor, motor,..)
Applications
Covered in Simcenter 11
Transmission Loss(ducting systems like air intake)
Manifold
Shell RadiationAcoustic Scattering
(loudspeaker,..)
Enclosures(machinery,..)
Cabin Acoustics(tractors, excavator,..)
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Process Viewpoint
Machine Noise Radiation
Geometry
preparation
Closing holes,
removing blends,
parts, ...
Meshing and
Assembly
Mesh mating, bolt
pre-stress, convex
meshing
Structural-
Acoustics Pre
NX Nastran VA,
Load recipe for
loading, AML
Solving
NX Nastran
AML
Weak or strong
coupling
Post-processing
Both Vibrations and
acoustics.
Contribution analysis
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Boundary Element MethodAcoustics domain by surface elements
Capabilities
Technology viewpoint
Finite Element MethodAcoustics domain by 3D, volumetric elements
For Interior and/or Exterior – enables fast solving Exterior – enables efficient meshing
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Capabilities
Specific Acoustics modeling capabilities
Sound Absorber
Reflecting ground
Given machine
Vibration
Noise sources
Microphone
Meshes
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Acoustic Demo-1
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Acoustic Demo-2
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Post-processing Key Details
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Cyclic Symmetry
User Need
• Model single sector of a 3D system to efficiently model systems
with cyclic symmetry. Thermal, Mechanical, Coupled
• Predict non-linear static deformations (from 0 order loadings)
• Predict modes of any order (0 order and n order)
Applications
• Aero engine blade disks, turbine power generation systems,
compressors, …
Enhancements
• New simplified boundary condition in NX CAE and NX Nastran to
couple sector boundaries. Does not require compatible meshes.
• Hermitian method in NXN for computing modes of any order
• NX Post display of results on any or all sectors
• Cyclic symmetry surface dependency for compatible meshes
Sector model that is solved
Results displayed over
multiple sectors
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Fourier Modal
User Need
• Model 2D cross section of 3D geometry to efficiently model
systems with axisymmetric. Thermal, Mechanical, Coupled
• Support non-pure axisymmetry – vanes and/or bolts present
• Predict non-linear static deformations (from 0 order loadings)
• Predict any order modes (0 order and n order)
Applications
• Aero engine seals, Aero engine rotatives, turbine power
generation rotatives, industrial tanks, …
Enhancements
• Fourier modal solution in NXN to solve for any order modes
• Support mix of axisymmetry elements and plane stress elements
• NX Post display of results on any or all sectors
2D plane model
that is solvedResults displayed on 3D
geometry
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Composite Failure
User Need
• Predict ultimate load capacity of systems made from composite
laminates
Applications
• Aero engine fan blades, Airframe components, spacecraft
components, sporting equipment, automotive body components
Enhancements
• Delamination damage material models
• Orthotropic damage material models
• Delamination simulation to allow solid elements to separate
• Progressing ply failure to allow plies within elements to damage
and lose stiffness
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Initial Stress/Strain
User Need
• Include the effect of residual stress or strain in a stress solution
• Residual stress may come from a forging or other manufacturing
operation
• Needed to make more accurate life predictions
Applications
• Aero engine disks, automotive engine and chassis components,
industrial machine components
Enhancements
• Mapping of tensor results into stress/strain load
• Includes mapping from 2D to 3D models
• Solving for initial stress/strain as an unbalanced load – results in
deformations
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Acoustics
User Need
• Simulation and prediction of exterior noise radiation.
• Productivity improvements via new modeling tools for interior and
exterior fluid meshing
Applications
• Noise radiation - Pump, compressor, engine, loudspeaker
• Transmission loss – Air intake, mufflers and silencers
• Interior acoustics – Vehicle, truck cabin acoustics
Enhancements
• Exterior acoustics support in NX Nastran
• New Sysnoise BEM environment to support interior/exterior acoustics
• New meshing tools for facilitating cavity meshing and exterior fluid
meshing (convex mesh, automatic hole detection and hole filling, rib
removal)
• Support for Porous material modeling in NX and NX Nastran
• Improved post processing for acoustics (dB scale, coupling quality
information, color bar and color map plots)
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Thermal Analysis
User Need
• Simulation of 1D advection networks on axisymmetric and 3D thermal-
structural models
• Thermal analysis of anisotropic materials and layered composites
• Coupling NX Thermal with external CFD codes
Applications
• Aeroengine and power plant design
• Thermal design of laminate composite structures
• Conjugate heat transfer analysis for general thermo-fluid systems
Enhancements
• New circumferential stream based heat load to better represent 1D ducts
• Thermal solver enhancements to process anisotropic material properties
• Open API for bi-directional data transfer between NX Thermal and external
CFD solver.
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Advanced Fluid Modeling
User Need
• NX CAD-associated solver-neutral CFD model preparation
• Fluid domain extraction and meshing for thermo-fluid analysis
• Fluid domain extraction and meshing for acoustics analysis
• Mixed Hex – Tet meshing
Applications
• Turbomachinery CFD modeling
• Extracting flow paths through dense electronics assemblies
• Model building for internal and external acoustics
Enhancements
• Automatic resolution for surface wrapping
• Enhanced support for mesh-based wraps: local resolution and contact
prevention
• Surface wrapping of Assembly FEMs
• Hybrid (Hex – Tet) meshing
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Axisymmetric Results – Improved 3D Displays
Objective: Provide better control to the revolved display of
axisymmetric results
Implementation:
• Start and end revolve angle
• Previously the start angle wasn’t an option and always zero
• Moved 3D setup to the results dialog - from post view display tab
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Report Writer
User Need
• Automated generation of reports for engineering analysis
• Execute custom reports interactively or automatically
• Off-the-shelf standard reports available
Applications
• Scalable documentation of your engineering analysis including
model setup, loads and boundary conditions, properties, results,
and images
• Flexibility and robustness required by broad range of applications
used in a broad range of industries
Enhancements
• New reporting writing framework
• Write to word document
• Use NX Open to access Simcenter 3D data, data model and
images
Example Report format.
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Report Writer
• Standardization
• There is a requirement to create standard reports with common layout,
format and contents.
• Generalization
• The requirement is for customers to be able to create their own layout,
format and contents.
• The Conflict
• Automating the complete Report creation will deliver the Standardization
requirement. But each automation becomes a unique and not a
Generalization solution.
Report Writer delivers the process (framework) and the granular automation
to achieve Standardization, and the flexibility to define company or user
defined layout, format and contents to provide Generalization.
Example Report format.
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Microsoft Office – Standard Tools to Create Reports
• The most common tool for creating Reports is Microsoft Word. The NX Report Writer makes use
of this powerful tool by writing the Simcenter data directly into the .docx file using Word’s
OpenXML file format.
• Word has all the required word processing functionality including styles, formats, headers, footers,
tables, geometry for boxes, images etc for defining a Report template.
• Simcenter will directly write the text, table and image data into the Word file at specified locations
(keywords) and inherit the format/style of that keyword (ie bold & italic).
• From Word, other file formats can be created (eg pdf, html, etc).
Simcenter 3D
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Traditional method
• Model setup information
• Find & note the data.
• Create Word table.
• Type the data into Table.
• Repeat above ‘n’ times for all and any model data.
• Images
• Manually setup display.
• Image capture tool.
• Add image to Word doc in the right location.
• Resize, rotate image.
• Repeat above ‘n’ times.
• Organize data placement in the Word doc, eg in
sections or chapters.
• Add introduction, model setup, assumptions, results
interpretation, conclusions, recommendations etc
• Add styling to the text and tables.
• Complete report.
Simcenter Report Writer method
• Select a Report Template with predefined:
• Placements for data extracted from Simcenter.
• Placements for user entered text, or used created
images.
• Add extra data not predefined in template
• Images
• Text
• Publish Report.
• Add introduction, model setup, assumptions, results
interpretation, conclusions, recommendations etc
• Add styling to the text and tables.
• Complete Report using Word.
Compare “Traditional” Report Creation to the Simcenter Report Writer
Totally manual process.
Time consuming.
Error prone.
No repeatability.
Automated data extraction
process.
Time focused on value added
information.
Automation removes errors.
Repeatable process.
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Objective: Allow users to query/probe analysis results in the
Teamcenter Visualization tools
Implementation:
New JT format for CAE data in Teamcenter Visualization 11.1.2
Updates to JT export of CAE data in Simcenter in terms of the new
format
Additional updates in Simcenter
• Added New JT command to results nodes in the Post Processing
Navigator
• Multiple results in the same JT file
Updated JT Format and UI Extensions
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Simulation Data and Process Management
User Need
• Modern and browser based user interface for managing
simulation data and processes
• Light weight and neutral format for storing and visualizing
simulation results
• Flexible framework for integrating various commercial and in-
house simulation tools and managing their inputs and outputs.
Applications
• Applicable across all industries and workflows
Enhancements
• Simulation data and process management in Active Workspace
• New CAE JT format for capturing CAE results and visualization
• Enhanced tool launch framework for integrating and launching
various simulation applications from Teamcenter
Simulation Data Management
In Active Workspace
New CAE JT
Results Visualization
Usability, tool
integration, pedigree
etc. enhancements
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NX Nastran Solution Updates
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NX Nastran Multiphysics Delamination Capabilities
Delamination
• Modeled with cohesive elements (bricks and wedges)
• Accumulated damage degrades the element, leading
to failure
• After failure, element is unable to carry a load
• Damage Laws
• Polynomial, bi-triangular, exponential
• Create zero thickness elements in NX using geometry
based or manual methods
• Sweep between (coincident faces), extrude (zero
length), inflate laminate
• Output pressure, tractions, relative displacements,
damage factor
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Cohesive Elements – 3D Swept Mesh / Element Extrude
3D swept mesh command
• Manual between method
• Cohesive element type
• Coincident source/target faces will produce cohesive layer having zero
thickness
Element extrude command
• Select element faces
• Cohesive element type
• Specify 1 copy, a distance of zero*
The check for degenerate elements is not used when creating cohesive elements
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Cohesive Elements – Layup Modeler and Fill/Extrude Laminate
Use Layup Modeler to define ply layup
Insert Cohesive layers between plies
Follow 2D to 3D meshing processes
with Extrude Laminate or Fill Laminate
to produce a solid composite mesh
• 2D mesh or 2D dependent mesh
• Generate solids off of the 2D mesh or
between the 2D dependent meshes
Option to have 1 solid element per ply or
1 solid element with n plies for each ply
region separated by cohesive layers
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Cohesive Material Properties
Damage Interface material type in Simcenter UI
Transverse stiffness – normal to the cohesive plane
Shear stiffnesses – in the cohesive plane
Fracture toughness – directional dependent thresholds
Damage law options
• Polynomial
• Bi-triangular
• Exponential
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NX Nastran Multiphysics – User Defined Materials
Objective: Support the use of user defined material models relative
to structural analyses
Implementation:
New MUMAT and MUMATC capabilies in NX Nastran
• Supports elastic, plastic, and creep behavior
• Elastic with ON/OFF options for plasticity and creep
User compiled DLL or SO representing material model behavior is
accessed by NX Nastran during solves
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NX Nastran Multiphysics – Chocking Behavior
Objective: As a model is loaded/unloaded, allow the state of
certain regions to vary between plane stress and axisymmetric
solid
Implementation:
Chocking elements
• Define as plane stress with a small gap between segments
• Axisymmetric geometry if not for the gaps
• As gaps close, behavior of element converts to axisymmetric and
hoop loads are carried by the element
• Gap distance output
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NX Nastran Multiphysics – Cyclic Analyses
Objective: For models having cyclic symmetry support calculation
of cyclic normal modes and improve the process of coupling cyclic
boundaries
Implementation:
• Enhancements to NX Nastran Multiphysics environment and
solver to achieve complete workflow coverage
• Cyclic boundary coupling (mesh independent pairing)
• Analysis axis display
• Cyclic normal modes solution
• Cyclic results display
• Sector results or full model results
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NX Nastran Multiphysics – Bolt Pre-Load Enhancements
Objective: Extend existing bolt pre-load capabilities to address
manufacture simulation, load path dependencies, and general post
processing needs
• Sequence of bolt loads within a step
• Unloading or scaling of a bolt load
• Pre-load steps at any point during a solve’s duration
• Bolt pre-load results
• Axial initial strain, forces, and bending moments
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Topology Optimization
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High Power Density Electrical MotorMaximize Mechanical Output Power
Minimize Structural Weight
Manage Thermal
Build-in System Redundancy
Make Scalable Design
“Siemens PLM Software simulation solutions enabled
the development of this world-record electric motor.”
Dr. Frank Anton, Head of Electric Aircraft Unit at Siemens Corporate Technology
Siemens Electrical Aircraft Propulsion
Achieving Record Braking 260kw Performance in 50 kg Drive Package
Topology
Optimization
10.5 kg
4,6 kW/kg
4.1 kg
5,2 kW/kg
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New production methods – topology optimization
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New production methods – topology optimization
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Simcenter Flexible pipe