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HyperWorks Solvers 2017.1 Release Notes
HyperWorks Solvers is a collection of finite element and multibody dynamics solvers for structural,
fluid-dynamics and systems simulation. These solvers can be employed for simulation driven design as
well as design optimization.
OptiStruct Design and optimization software using finite elements and multibody dynamics
RADIOSS Finite element solver for linear and nonlinear problems
MotionSolve Multibody dynamics solver
AcuSolve General purpose finite element computational fluid dynamics (CFD) solver
HyperXtrude
Solver
Finite element based solver for simulating metal extrusion, polymer extrusion,
friction stir welding, billet forging, and resin transfer molding processes
OptiStruct
Highlights
Altair OptiStruct is an industry proven, modern structural analysis solver for linear and non-linear
mechanical problems under static, dynamic, and thermal loads. It is the market-leading solution for
structural design and optimization. Based on finite-element and multibody dynamics technology, and
through advanced analysis and optimization algorithms, OptiStruct helps designers and engineers
rapidly develop innovative, lightweight and structurally efficient designs. OptiStruct is used by
thousands of companies worldwide to analyze and optimize structures and mechanical systems for
strength, durability, noise and vibrations, heat transfer, as well as impact.
Note: The OptiStruct 2017.1 Documentation is only available as a PDF document named
OptiStruct_2017.1_Documentation_Updates.pdf within the
<Altair_Home>\hwsolvers\optistruct\ folder in the installation.
The major items for the 2017.1 release are:
Joint elements support for a variety of situations
Advanced Restart for nonlinear analysis
Continuum shells
Random Response based Fatigue Optimization
Multi-Material Topology Optimization
Topology Restart with different mesh size or configuration
In this Release
Stiffness, Strength and Stability
Noise and Vibrations
Composites
Thermal Analysis
General Updates
Optimization
Solvers and Performance
Resolved Issues
Stiffness, Strength and Stability
Joint Element Support
Universal, Revolute, Ball, Axial, Cartesian, Cardan, In-plane, In-line, and Orient joints are supported
using the JOINTG bulk entry.
Additionally, joint motion (MOTNJG bulk data entry) are supported for the following JOINT types:
Axial, Cartesian, In-line, Cardan, Revolute.
Neuber Correction with Nonlinear Contact
Neuber correction is now available in nonlinear static analysis, which will allow the combination of
Nueber correction with nonlinear contact/gap analysis (including with PARAM,FASTCONT).
Advanced Restart Functionality with Nonlinear Analysis
The following scenarios are currently supported for the nonlinear restart option using the RESTARTR
and RESTARTW I/O option entries.
Restart from the last point at which the initial run was interrupted (for example, due to a
power outage).
Restart from some point of a successful nonlinear analysis and append new nonlinear
subcases in continuation.
Restart from some point of a nonlinear analysis, truncate the nonlinear subcase at that
point and append new nonlinear subcases in continuation. This is supported by using the
TERMI option on the RESTARTR entry.
Restart from some point of a successful nonlinear analysis and append new linear
STATSUB(BUCKLING/PRELOAD/BRAKE) subcases. The linear
STATSUB(BUCKLING/PRELOAD/BRAKE) subcases should reference the ending nonlinear
subcase.
Continuous Sliding(CONSLI) Now Supports Node-to-Surface (N2S) Contact
Continuous Sliding(CONSLI) now supports Node-to-Surface (N2S) contact
MODCHG Support for CONM2, Shells and CBUSH Elements
MODCHG supports additional element types such as CONM2, shells and CBUSH elements.
CWELD Can Reference More Than 9 Elements
The CWELD patch can now extend to more than 9 elements.
MPCF Support for Intermediate Nonlinear Steps (NLOUT)
MPCFORCE output is now available for intermediate nonlinear steps (NLOUT)
Contact Search Distance (SRCHDIS) Including the Plate Thickness
Contact Search Distance(SRCHDIS) now considers the thickness of plate during searching.
Node Set in TIE
With node set specified (GSETID) on continuation line on TIE bulk entry, TIE contact is generated for
the specified node set regardless of SRCHDIS. If some grids are within SRCHDIS but if they are not
included in GSETID, then TIE contact won’t be generated for those grids.
Rotational Degrees Of Freedom to be Constrained in Large Displacement TIE and Contact
with Freeze for Node-to-Surface(N2S)
Rotational DOFs will be constrained in large displacement TIE and Contact with Freeze for Node-to-
Surface(N2S).
Noise and Vibrations
SOLUTION Option Support in PFGRID
The SOLUTION option is available on the PFGRID output request. This option allows the user to
select a set of frequencies with SET (bulk and case control set) to process and output the
participation. This is equivalent to the previously supported FREQUENCY option.
Rotation Output Available for RMS Displacement, Velocity, and Acceleration
Rotational component for RMS displacement, velocity, and acceleration is now available using the
ROTA option on each output request.
POWERFLOW Calculation with SECTION for Solid Elements
The SECTION Bulk Data Entry defines the cross-section of interest and the FLOW option on the
SECTION entry identifies the section for POWERFLOW calculations. The area and subsequent
calculations provides both powerflow and intensity output.
ERP Results Normalized by Total Panel Area
ERP results will be normalized by total area if PARAM,ERPAREA,YES is set. PARAM,ERPAREA is a new
parameter and NO is the default.
Composites
Continuum Shells
Continuum shells (solid shells) are available for linear analysis and nonlinear analysis (with small
and large displacement). The material types supported are MAT1 and MAT9(ORT).
Different Failure Criteria for Different Plies
The MATF bulk data supports various failure criteria and this will allow each ply to have its own
failure criteria.
Tensor Format Support in H3D file for CSTRESS and CSTRAIN Entries
TENSOR option is now available in CSTRESS/CSTRAIN output request in H3D file format. The default
is still the scalar format.
Thermal Analysis
Thermal Contact with FREEZE Considers the Actual Contact Opening
Thermal contact with FREEZE considers the actual contact opening based on the geometry. This is
supported for steady state and the transient thermal analysis.
General Updates
GPSTRAIN for Solids/Shells are Available in mnf Output
GPSTRAIN for solids/shells are available in mnf output
SET Based Definition of FORCE/MOMENT/TEMP/PLOAD1/PLOAD2
SET of GRID/ELEMENT can be referenced by FORCE/MOMENT/TEMP/PLOAD1/PLOAD2 instead of
listing one GRID/ELEMENT IDs for those entries.
PARAM,MAXRATIO Available to Detect Modeling Issues (Unconnected Structure)
This feature is to detect the singularity of the model by checking the ratio of diagonal of original
matrix with factor matrix. If the ratio is higher than the value specified on PARAM,MAXRATIO,
OptiStruct will error out.
ESE Calculation in DMIG During the Residual Run (Static and Normal Mode Analysis)
Strain Energy will be calculated for DMIG in residual run for static and normal mode analysis. This is
only possible when the stress and strain are both requested during DMIG generation run.
OUTPUT,MASSPROP Activated by Check-Run
Mass/Inertia output with OUTPUT,MASSPROP is now available with a check-run.
Enhancement on Grid Replication Format
Following new syntax is supported for Grid Replication format.
GRID,901001,,,,,-1
=,*1,,,,,=
=100
This is to generate 100 grids, starting from 901001 with increment of 1.
Subcase-based Punch Files with POST TOFILE
POST TOFILE supports PUNCH file, which also allows the multiple set of PUNCH files from the same
subcase (using REPCASE).
BUFFSIZE Default Changes to 65537 in PARAM, SYSSETTING
BUFFSIZE default changes to 65537 in PARAM, SYSSETTING
Mass and Inertia Output from RBODY
Mass and Inertia from RBODY is now available in the .rbody.info file.
Exclude CMASS1/2/3/4 from PARAM,GRDPNT Output
GRID POINT WEIGHT GENERATOR output with PARAM,GRDPNT will not include the contribution from
CMASS1/2/3/4 based on the new PARAM,GRDPNTCM,YES/NO. YES is the default.
Optimization
Topology Restart with Different Mesh or Configuration
Restart job with different mesh size or the configuration (remove or add some part) is allowed. To
use this feature, DOPTPRM,TOPDV should be added in original topology optimization run before the
restart. Additionally, DOPTPRM,TOPRST is required in the restart run.
Multiple-Material Topology Optimization
Multi-material topology optimization can find the optimum material layout and additionally can select
the optimum material from the set of materials provided by the user. MMAT continuation line is
added in DTPL to activate this feature. The different material IDs will be specified in MMAT
continuation line.
Loading as Design Variable (DVLREL1)
Scale factor and the component of vector for FORCE and MOMENT can be design variable thru
DVLREL1 entity.
Enhanced Reliability-based Optimization (RBDO) with Two-phase Approach
Two-phase approach based on sequential approximation is implemented and used as a core
algorithm for RBDO. With the two-phase approach, the first phase allows the optimization to quickly
approach the optimum design, and the second phase improves the accuracy of reliability
assessment. Some tests indicate that this two-phase approach in 2017.1 can assess and target the
reliability requirement with higher accuracy compared to the old method.
Mass Normalized Sensitivity Output
MASS/NOMASS option is added for OUTPUT,H3DTOPOL and OUTPUT,H3DGAUGE. This output is
effective only when the mass response is included in optimization problem.
Normalized Constraint Violation Plot in .hist.mvw File
This output will be triggered by OUTPUT,HGHIST,n (n =>32) and contains the plot for response
divided by its constraint bound.
Optimization with Curved Shells
Optimization with PARAM,CURVSHl2 is now supported.
Result Monitoring for Optimization Runs is Now Supported
Result Monitoring for optimization runs is now supported. The NLMON bulk data and subcase pair or
PARAM,NLMON can now be used for optimization.
More Significant Digits for Excel Sensitivity Output
The number of significant digits in Excel sensitivity output is extended to 8.
PUCK Failure Criteria as Optimization Response
PUCK failure criteria is now available for optimization. The PUCK, PUCK-T, PUCK-B, and PUCK-O
codes are now available on the CFAILURE response type for DRESP1 entry.
Most Recent Iteration’s Analysis Results for Optimization
CURRENT option is added in OUTPUT,H3D to request the H3D file for analysis in current optimization
iteration. This H3D file (filename_cur.h3d) will be updated for each iteration to contain the most
recent iteration results. This option has to be used together with BYITER as
OUTPUT,H3D,CURRENT,BYITER.
Single H3D File for OUTPUT,H3DTOPOL/H3DGAUGE
Only one H3D file will be generated for H3DTOPL/H3DGAUGE instead of one for each iteration.
Enhanced OUTPUT, H3DSENS Output Request
Two additional options BYITER and COMB are now available. H3DSENS, BYITER (default) indicates
that multiple *_dsa.#.h3d files are output for multiple iterations (#). H3DSENS, COMB indicates that
a single combined *_dsa.h3d file is output for all iterations.
HM.comp, HM.ent, and HM.conn Files from Topology Optimization is Now Available in TCL
Format
HM.comp, HM.ent, and HM.conn files from Topology optimization are now available in TCL format.
Random Response Based Fatigue Optimization
Random Response Based Fatigue optimization is available. SN fatigue is supported and the
Life/Damage is calculated and optimized for shells/solids, and spot welds(CBEAM/CBAR, CWELD).
DDM is supported with Random Response Based Fatigue optimization to enhance performance.
PEAKOUT Support for Density
DENSITY results for topology optimization is only output for loading frequencies found by PEAKOUT.
Optimization with MODCHG (only CONTACT) is Allowed
Optimization is now supported for models in which removing or reactivating contacts is done with
MODCHG entry.
PARAM, NLINISOL is Now Supported for Nonlinear Optimization Runs
In the optimization process involving nonlinear solutions, for subsequent optimization iterations, the
solution of nonlinear problem will start, when feasible, from converged nonlinear solution from the
previous optimization iteration (rather than repeating the entire incremental nonlinear process). This
can save computational time. This behavior is ON by default and activated only for non-path
dependent problems. PARAM,NLINISOL,NO will disable this mechanism so that the subsequent
optimization iteration always starts from the beginning of the nonlinear solution going through the
entire incremental process.
Solvers and Performance
PARDISO
New direct solver type, PARDISO, is available thru SOLVTYP bulk entry/subcase selector. PARDISO
could be more efficient than other supported solver for shell type of structure when many SMP cores
(-nt, -nproc script option) are specified. PARDISO is supported for linear and nonlinear static
analysis.
NLOUT is Defined with DDM Enhancements
Lower memory/disk requirement with DDM for Nonlinear analysis when NLOUT is defined.
Disk Space Estimate in out File Now Includes MUMPS Requirement
Disk space estimate in out file now includes MUMPS requirement.
MPI Version of Complete 64 bit Version of OptiStruct is Available
MPI version of complete 64 bit version of OptiStruct is available. This is also activated using the -i64
run option.
DDM Enhancement with 64-bit OptiStruct
DDM can now handle more than 1 Billion non-zero stiffness terms if –i64 run option is used.
DDM Support for Nonlinear Transient Analysis
DDM is now supported for Nonlinear Transient Analysis.
min-core Option is No Longer Supported for MUMPS Runs
The min-core option is no longer supported for MUMPS runs.
Resolved Issues
The following issues have been resolved in OptiStruct 2017.1 Resolved Issues
PCONTHT with FREEZE generated incorrect conductivity in previous releases, this has now
been fixed.
Fluid eigenvector for Complex eigenvalue analysis with Acoustics could be incorrect if rigid
elements are in the model. This is now resolved.
Shape optimization run for buckling with nonlinear static subcase which includes contact/gap
would result in programming error. This has been fixed.
Resolved HWSolver GUI issue which leads to incorrect results for nonlinear analysis.
PFMODE(FLUID) with SPCD could produce incorrect results, which has now been fixed.
PEAKOUT Structural response was considered with DBA while calculating peak loading
frequencies.
CSTRESS/CSTRAIN for transient analysis was incorrect when SET is used for output. This has
been resolved.
Gauss point results output were not available with nonlinear transient. This is now available.
Zero sensitivity occurred for GE on CELAS4, this has now been fixed.
Inertia results on OUTPUT,MASSPROP could be incorrect for beam/bar elements. This has
since been fixed.
Corner plastic results could be incorrect with DDM mode. This has been resolved.
OUTPUT,FSTOSZ had an issue for PSHELL when the multiple DSIZE entries exist in input file.
This is now resolved.
MotionSolve
Highlights
MotionSolve is a state-of-the-art multibody solver available in HyperWorks. It has a complete set of
modeling elements and powerful numerical methods to support a full set of analysis methods. The
accuracy, speed and robustness of MotionSolve have been validated through extensive testing with
customer models and test data. MotionSolve also offers unmatched compatibility with ADAMS/Solver
input.
In version 2017.1, MotionSolve brings new capabilities, added functionalities to the existing capabilities
and improvements in performance.
MotionSolve Model as an FMU
With version 2017.1, you are now able to export your MotionSolve model into a Functional Mockup
Unit (FMU) which can then be imported into any 1D simulator environment (like sT/Activate) for co-
simulation. This capability enables you to:
Easily add multi-physics to your MBS model by including thermal, electrical and control
systems via a co-simulation environment like Activate, for example
Interface with MODELICA based components
Connect with other solvers that support the FMI standard
For more information, please refer to the User’s guide on FMI support.
Define Multiple MotionSolve Plants in solidThinking Activate
With version 2017.1, you are now able to add multiple MotionSolve models into your sT/Activate
model. This capability enables you to:
Co-simulate with more than one MotionSolve model in parallel within the Activate
environment
Each MotionSolve plant can leverage Activate’s component and Modelica library
Enhanced Performance for 2D Rigid Body Contact
Performance enhancements have been made for the contact detection when using 2D curves for
modeling rigid body contact in MotionSolve. With version 2017.1, you can expect to see significant
speedup in your simulation wall clock time. This speed up is most noticeable for models that have a
large number of contacts – up to 7 times.
Resolved Issues
NLFE bodies and compliant joints
Previously, MotionSolve failed to run if all the joints defined on an NLFE body were made compliant.
This is fixed with 2017.1 such that you may define any kind of joint on an NLFE body and
successfully simulate the model.
Defining JFLOAT marker on NLFE bodies
In MotionSolve, you cannot define the JFLOAT marker on a flexible body, such as the NLFE body.
Previously, if you did so, the solver would fail without an appropriate message. With 2017.1, an
appropriate error message has been added that can help you debug your model and remove any
JFLOAT markers defined on the NLFE body.
Difference in extrapolation results between FIESUB 810 and FIESUB 910
In 14.0.230, it was reported that extrapolation results between field subroutine FIESUB810 and
FIESUB910 are different when expected to be the same. This behavior has been modified with
2017.1 such that both subroutines produce the same extrapolation results.
Eigen modes not orthogonal
It was reported that the eigenmodes are not orthogonal using 14.0.230. This has been fixed in
2017.1. The eigenmodes calculated now are orthogonal.
PINVAL affects eigensolution
In 14.0.230, it was reported that use of the expression PINVAL affects the eigen solution. This has
been fixed in 2017.1, the use of PINVAL no longer changes the eigen solution.
KE function
The KE function that calculates the kinetic energy of a rigid or flexible body was scaled incorrectly.
The scaling has been corrected with 2017.1.
RADIOSS
Highlights
Airbags: fabric material LAW58 enhancements allow to reproduce accurately elastic hysteresis
in the tissue
Composites: output per ply
Tied contact: automatic kinematic/penalty switch for slave nodes subjected to other kinematic
conditions
Plastic strain rate formulation implemented for LAW36 (piecewise linear material) and LAW87
(BARLAT 2000)
FSI:
New output available in ANIM files (specific energy and artificial viscosity for LAW51, detonation
time for LAW5 and LAW51)
LAW51: several important fixes
Note: The RADIOSS 2017.1 Documentation is only available as a PDF document named
RADIOSS2017.1_Documentation_Updates.pdf within the <Altair_Home>\
2017.1\hwsolvers\radioss\ folder in the installation.
Airbags
New unloading test data input for /MAT/LAW58 (FABR_A): Unloading test data for direction 1 (warp)
direction 2 (weft) and shear can be input directly in LAW58 to better model the hysteresis behavior
during loading and unloading cycles.
Composites
Output for composites has been extended to improve usability:
Contour plots can be made by ply
Contour plots of damage from the /MAT/LAW25 internal failure model. Previously it was
only possible to plot damage defined with /FAIL.
Ply IDs are included in the engine output messages during the running of the simulation.
For example, if failure is reached in a given integration point, the ply_ID is also printed
Robustness improvements for the ply-xfem shell property: The delamination option activated by
/PROP/STACK, Plyxfem =2 is now more robust.
Materials and Failures
Plastic strain rate dependency option for /MAT/LAW36 (PLAS_TAB) and /MAT/LAW87
(BARLAT2000): A new flag was added to make the tabulated yield stress and plastic strain
functions correspond to either total strain rate or plastic strain rate.
Strain rate dependency for analytic Swift-Voce formulation in /MAT/LAW87 (BARLAT2000):
When using the analytic Swift-Voce formulation option, strain rates effect is taken into
account using input to the Cowper Symonds expression. The strain rate can be either total
strain rate or plastic strain rate.
Thermal information in User Subroutines: User subroutines can now utilize thermal
information from a RADIOSS analysis.
Properties
Fully Integrated quad element for 2D analysis: A new fully integrated quad element was
implemented which avoids hourglass deformation in 2D analysis. See /ANALY for more details.
Connectors and Kinematic Conditions
Automatic switch of TYPE2 Tied contact from kinematic to penalty formulation: Two new
/INTER/TYPE2, Spotflag are available 27 and 28. These new options replace Spotflag= 26 since it
was found to over-constrained master segments shells. These new formulations will use the
kinematic formulation by default and switch to the penalty method used by Spotflag=25 when
incompatible kinematic conditions are detected. Spotflag=27 uses the kinematic Spotflag=0
formulation while Spotflag=28 uses the kinematic Spotflag=1 formulation.
Contacts
Darmstad friction law has been modified: In the following contacts /INTER/TYPE5, 7, 19,
20, 21, 24 the static friction coefficient, FRIC, was added to the friction calculation.
Contact segment deletion for /INTER/TYPE24: In cases of material failure, the contact
segment deletion option,Idel=2, was implemented for /INTER/TYPE24
Contact Interface TYPE19 Usability Improvements: Contact defined using a TYPE19
interface is now converted into a TYPE7 surface to surface symmetric contact (TYPE7 +
TYPE7sym) and a TYPE11 edge to edge contact. The output from all these contacts is
summed together and available in one time history /TH/INTER output.
I/O and Initial State
Simplified solid element integration point result output: /ANIM/BRICK/TENS/STRESS(or
STRAIN)/ALL can be used to request stress or strain values at all integration points of solid
elements
Parameters defined for entity ID: /PARAMETER can now be used to define parameters for
entity IDs in a model.
Messages
Missing /SUBSET are now warning messages: Instead of an error message, a warning message will
now be listed if the subset ID defined on /PART is missing.
FSI
New outputs are available:
/ANIM/ELEM/ENER : The specific energy (energy/mass) for /MAT/LAW51 is now output for
submaterial
/ANIM/ELEM/TDET : animation for detonation times available for JWL EOS in /MAT/LAW5
and /MAT/LAW51.
/ANIM/ELEM/QVIS : output artificial viscosities for /MAT/LAW51 submaterials.
Resolved Issues
Composites:
TETRA4 and TETRA10 elements with /PROP/TYPE6: definition of orthotropic axis was not
being used.
Materials and Failures:
/MAT/LAW42 or /MAT/LAW69 and /VISC/PRONY: Poisson effect was incorrect when using
shells.
When using /FAIL/CHANG, a time step reduction occurs during the failure phase.
Instability with LAW62 and viscosity for low Poisson numbers
/MAT/LAW38 time step calculation in starter output was incorrect
FAIL CHANG ENERGY HASHIN and TENSSTRAIN damage implementation for shells was
improved
In /MAT/LAW24 an issue with non zero dilatancy parameters was corrected
Properties:
/TETRA10 + small strain + Single Precision: large rigid body rotations are incorrect
Contacts
/INTER/TYPE24: Possible wrong orientation of contact forces in case of sliding and T or X
connection for shells
/INTER/TYPE24: Possible failure (NaN at the first cycle ) in SPMD mode on Linux platform
/INTER/TYPE19: possible wrong contact forces output in T01
I/O and Initial State
Starter gives an ERROR message referring to unexisting Function/Table ID
Run fails w/AMS in SMP if slave node of an RBE3 is not connected to the mesh
Run fails w/SPMD 48 domains (even with /DT/NODA)
.tmp file used to create ABF file are automatically removed
Corrected an issue with local coordinate system output of /TH/SHELL
Improvements and Optimization of /OUTP files
FSI
LAW51: Formulation update which fixes possible overestimated sound speed and artificial
viscosity values
LAW51: Fix for possible “NEGATIVE RHO ERROR” while using plastic submaterial
LAW51: Possible differences in numerical solution depending on threads number
LAW51: Fix possible SPMD issue with New Outlet (Iform=6)
LAW51: New outlet (Iform=6) now enabled with explosive submaterial
/ANIM/ELEM/QVIS : fix zero contour if used with LAW51
Miscellaneous
/XREF for solid elements not compatible with single precision
Message
Output an ERROR if Isolid=12 is used with Ismstr=10 due to incompatibilities
HyperXtrude Solver
Highlights
Altair HyperXtrude is a suite of finite element solvers for simulating metal extrusion, polymer
extrusion, metal rolling, friction stir welding, billet forging, and resin transfer molding processes. It
has process specific features for each of these processes and supported with an easy use interface for
setting up model data.
HyperXtrude for Metal Extrusion
Enhancements to Quenching Solver
The quenching solution module in the solver can simulate:
Spray cooling
Air nozzle cooling
Air fan cooling
Immersion quenching
Click2Extrude™ Metal 2017.2 features an easy to use interface that can setup spray cooling with
just few mouse clicks. In this context, many enhancements were made to the quenching solver, this
also includes grain size predictions. Click2Extrude is the only available interface for the solver. Even
though it supports only for spray cooling in 2017.2 version, users can manually setup other quench
types with this interface.
Enhancements to Bearing Friction Module
Bearing friction module is improved to increase the accuracy of nose prediction. This is mainly in the
context of hollow profiles.
Resolved Issues
There was an issue in parsing FEM decks and this issue has been resolved.
Solver is now enabled to use Solver Node licensing.
HyperXtrude for Resin Transfer Molding
Resolved Issues
Solvers had license issues on both Windows and Linux platforms. These have been resolved.
Solver is now enabled to use Solver Node licensing.
HyperXtrude for Billet Forging
Resolved Issues
Solvers had license issues on both Windows and Linux platforms. These have been resolved.
Solver is now enabled to use Solver Node licensing.
AcuSolve
Highlights
AcuSolve v2017.1 further improves Altair’s class leading solver technology. The current release
includes significant fundamental improvements to multiphase capabilities, enhancements to distributed
scripts and improved material modeling.
Improvements to Multiphase
In this intermediate release we continue to build upon our initial multiphase offering by significantly
improving stability and accuracy. While still considered to be a Beta feature multiphase in AcuSolve
is steadily improving to handle more industrial-level cases.
AcuTherm
Data can now be output per element from acuTherm by specifying the command line option –to
abaqus.
AcuProbe
Variable lists have been reorganized by type for better readability and navigation.
Notable Changes
Added support for Piecewise-Bilinear fluid properties.
acuLiftDrag script has been added to the distribution, available in the bin directory
Resolved Issues
Resolved a segmentation error with acuMeshSim involving mixed topology extrusion meshes and
mixed topology boundary layer meshes.