2014-11-24 digimat 5.1.2 releasenotes · pdf file · 2016-01-11abaqus% % •...
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1 | P a g e C o p y r i g h t © M S C S o f t w a r e B e l g i u m , 2 0 1 4
Release Notes 5.1.2
December 2014
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back to top Bug Fixes • Corrected failure criteria formulation
o Shear terms in strain based criteria § Tsai-‐Hill 3D Transversely Isotropic § Tsai-‐Wu 3D Transversely Isotropic
o Hashin 3D linear expression o Tsai-‐Wu 3D linear expression
• Corrected phase homogenization order when using the multi-‐level method o Affects elastic and visco-‐elastic UD material models including voids
• Corrected specific heat capacity computation
• Improved robustness with custom output for clustering with failure model
• Improved robustness for woven/braided
o More robust when switching from FE to MF o Improved reporting for incorrect inlays definition o Improved error messages
• Improved robustness for second order homogenization
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back to top Bug Fixes • Improved Marc interface robustness
o Corrected periodic boundary conditions formulation o Corrected shear_13 periodic loading boundary condition o Corrected user thermal loading definition
• Improved GUI robustness
o Affects only intensive GUI browsing
• Initial seed size taken into account when exporting to Abaqus
• Corrected handling of continuous fibers with diameter larger than 0.5
• Upgraded WiseTex engine for woven o Improved robustness for braided and inlay geometry generation
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back to top Upgrade
• Update to Postgresql 9.3
o Requires an upgrade of the database Bug fix • Corrected unit system conversion of strain rate dependent failure models
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back to top Bug Fixes • Improved robustness
o Weldline mapping § Only hexa 20 elements were concerned
o Automatic scaling § Removal of negative bounding box size ratios
o Donor meshes with wedges o Porosity mapping procedure
§ Volume fraction now results from mapped size and mapped pore density
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back to top Upgrades • Digimat to RADIOSS
o Support of RADIOSS v12 o Support of RADIOSS for UD and Woven o Support of 1 layer draping file o Hypermesh/Optistruct plugin v12
Bug Fixes • Digimat to PAM-‐CRASH
o Support of UD and woven with Micro and Hybrid solution
• Improved robustness when using o Porosity and variable aspect ratio files o Volume fraction files
• Element deletion triggering o All integration points must fail to trigger element deletion o Concerns LS-‐Dyna, Nastran/SOL700 & PAM-‐CRASH
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• Digimat to Abaqus
o Corrected computation of transverse shear stiffness for composites with transversely isotropic fibers
o Corrected handling of multiple integration point elements when using Digimat Orientation File (.dof)
§ Each integration point has its actual orientation instead of the orientation of the first integration point
• Hybrid solution o Convergence improvement on Current yield Norton law for implicit solver
o Improved robustness § Identification of hybrid parameters for TE and TEP materials • Correct non-‐linear behavior of TEP material for every temperature
• Identification possible for 0° § Identification of hybrid parameters for EVP materials with failure criteria
• Porosity (Mucell) o Corrected license usage for 3 phases involving voids and porosity distribution file.
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back to top Bug Fixes • Support of aspect ratio distribution
• Support of all formats of 3D TIMON orientation files for solid elements
• Enhanced equivalence between material models output from RP and CAE
• ABAQUS
o Value of transverse shear stiffness now depends on thickness section
o Density of materials now always written o Support of ABAQUS input files with the following keywords (without spaces):
§ *SOLIDSECTION, *SHELLSECTION, *ENDSTEP, *ELEMENTOUTPUT, *TRANSVERSESHEARSTIFFNESS
• ANSYS o Corrected SVAR output request
§ Respect of user defined output frequency o Improved robustness for ANSYS models
§ For models containing several materials
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§ For models with non-‐Digimat material preceding a Digimat material
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