OptiStruct 12.0.212 릴리즈

… release note for OptiStruct 12.0.212

OptiStruct 12.0.212 업데이트의 상세한 내용은 아래와 같습니다.

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OptiStruct 12.0 Update release highlights

Cool Features

  • PARAM,AUTOMSET can be used to fix double dependancy issues with Rigid elements
  • PARAM,RBE3FREE can be used to ignore the bad modeling practice of free RBE3 spiders
  • PARAM,RBE2FREE can be used to ignore the bad modeling practice of rigid body rotation of RBE2
  • Bolt pretension forces written to the ASCII .pret file
  • The force deflection curve from Snap Through Analysis can be generated with PARAM,SNAPTHRU
  • OTIME can be used for Transient heat transfer analysis
  • AMSES calcualtion time reduced even more, and larger problems can be run.
  • Output from Complex Eigenvalue analysis can be limited to only unstable modes
  • Analysis results can be computed based on the results of SIMPACK MBD analysis
  • PARAM,PRGPST can be used to control the amount of AUTOSPC output
  • 1D element forces are now written to the .h3d file
  • Thin shell bending elements can be automatically converted to membrane elements
  • Overly stiff CELAS and CBUSH can be set to a reasonabale value automatically
  • DTPL Data MAXDIM Automatically Set if the Input Value is Too Low
  • Many enhancemets to mode tracking output

Major Enhancements

  • ADJUST option is available to remove initial penetration in contact
  • Gasket properties can be temperature dependent
  • H3D CMS Super Elements can be repositioned (translated and rotated) in the residual run.
  • Thermal conduction based on gap opening distance and closed pressure.
  • For Fatigue analysis (normal modes with USET,U6 and modal FRF and transient analysis)
  • Material properties can be frequency dependent for direct frequency analysis
  • There is a fast parallel solver (FASTFR) for large scale modal frequency response
  • CDS SE creation time has been dramatically reduced
  • Von Mises stress calculated using the Segalman Method
  • SPCFORCE and GPFORCE can be used as Optimization Responses

Installation instructions

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Stiffness, Strength and Stability

  • The ADJUST Option is Available to Remove Initial Penetration in Contact
  • Bolt Pretension Forces are Now Written to the ASCII .pret File
  • Gasket Material Properties can Now be Temperature Dependent
  • Gasket Transverse Shear Modulus can be Specified as Stress/Displacement or Force/Area Data
  • Gasket Tension Stiffness can be Specified as a Stabilization Coefficient or the Direct Tension Modulus
  • The Thermal Field From the Last Time Step of a Transient Heat Transfer Analysis can be Used for the Thermal Load
  • Solid Element Properties Expanded to Support Navier Stokes Viscosity and an Advanced Tangent Matrix Estimation
  • Composite Element Material MATX25 Enhanced to Support Failure Based on the Ratio of the Number of Failed Layers to the Total Number of Layers
  • Force-Deflection Curve Output from Snap Through Analysis
  • OTIME can be Used in Transient Heat Transfer Analysis
  • Thermal Conduction Based on Gap Opening Distance
  • Thermal Conduction Based on Contact Surface Opening Distance and Closed Pressure
  • New Parameters
  • Enhanced Subcase Information Entries
  • New Bulk Data Entries
  • Enhanced Bulk Data Entries

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Noise and Vibrations

  • Material Properties can be Frequency Dependent in Direct Frequency Response Analysis (Beta)
  • Fast Parallel Solver for Large Modal Frequency Response Problems
  • EIGRA (AMSES) Eigenvalue Calculation Time Reduced
  • A File to Allow Optimization of CMS Super Elements can be Generated
  • Sets of RIGID Elements can now be Specified with the Bulk Data SET Data
  • EIGRA can Handle Much Larger Problems
  • Run Time and Disk Space Usage Decreased When GPFORCE and MPCFORCE Output is Requested for Frequency
  • Response and Transient Analysis
  • The Output From Complex Eigenvalue Analysis can be Reduced by Only Outputting the Unstable Modes
  • The Creation Time of CDS Super Elements Has Been Dramatically Reduced
  • Modal Super Elements can be Created for Use in RecurDyn by FunctionBay
  • Interior GRID Results Recovery for CDS Super Elements
  • The RANDMOD ID is now written to the XYPUNCH header for PSDF output
  • The DMIGMOD data can now be used to translate and rotate CMS Super Elements
  • New Parameter Data
  • Enhanced Subcase Information Entries
  • New Bulk Data Entries
  • Enhanced Bulk Data Entries

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Kinematics and Dynamics

  • Preload can be Taken into Account During Flexbody Generation
  • Residual Vectors can be Used to Increase the Accuracy of Flexbodies
  • Analysis Results can be Generated Using the Results from SIMPACK Analysis
  • Enhanced Solution Control Data
  • Enhanced Bulk Data Entries

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General

  • Gap Element Forces can Now be Plotted in HyperView
  • Printing of Inertia Relief Rigid Body Force and Acceleration Controlled by PARAM,PRINFACC
  • Rigid Elements with Double Dependency Issues
  • THICKNESS Output to the .h3d File for Analysis Runs
  • The GEOM3, DPDT and GPL Data Blocks have Been Added to .op2 File for PARAM,POST,-2
  • PARAM,PRGPST can Now Control the Amount of AUTOSPC Output
  • 1D Element Forces are Now Written to the .h3d File
  • CFAST Element Forces are Now Written to the .op2 File
  • Thin Bending Shell Elements can Now be Automatically Converted to Membrane Elements
  • Overly Stiff Bushings and Springs can be Automatically Set to a Reasonable Value
  • CBAR and CBEAM can Optionally Reference PBEAM and PBAR Data, respectively
  • Von Mises Stress and Strain results for Random Response Analysis based on the Segalman Method
  • PARAM, RECOVER can be used to output the full-structure modes during Component Mode Synthesis
  • If PARAM,RECOVER is specified without an .op2 output request, an error will be issued
  • MPCFORCE for RESVEC modes is now written to the .op2 and .pch files
  • Von Mises Stress and Strain results for Random Response Analysis based on the Segalman Method
  • GPFORCE for RESVEC modes is now written to the .op2 and .pch files
  • Modal STRAIN results are available for frequency response and transient
  • Von Mises Stress and Strain results for Random Response Analysis based on the Segalman Method
  • PARAM,RBE3FREE can be used to disable ERROR 772 due to free spiders on RBE3 elements

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Topology Optimization

  • DTPL Data MAXDIM Automatically Set if the Input Value is Too Low

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Internal Responses (DRESP1)

  • SPCFORCE can Now be Used as an Optimization Response
  • GPFORCE can Now be Used as an Optimization Response

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Optimization Output

  • Design Sensitivity Analysis for Frequency Response in H3D
  • Design Variable File for the Control of CMS Super Element Modal Information
  • Enhanced Bulk Data Entries

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Optimization General Enhancements

  • PARAM,TRAKMTX Added to Control the Output of the Mode Tracking Matrix
  • PARAM,TRAKMETH Added to Control the Method Used for Mode Tracking
  • PARAM,MFILTER Added to Specify the Threshold Value for Mode Tracking
  • ASSIGN,UPDATE Added CONM2 data (220)
This entry was posted in HyperWorks 12, Updates.

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