Download - Digimat 511 Releasenotes
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Release Notes 5.1.1
August 2014
p. 2 p. 4 p. 6 p. 8 p. 10 p. 13 -
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New Capabilities
Woven
o Advanced woven model –> Enhanced modeling capabilities
2½D Woven
2D Braided
Failure
o Tension-Compression Differentiation
Based on the transversely isotropic Tsai-Wu model
o Definition of user criteria
o SIFT (1st order formulation)
Viscoelastic-Viscoplasticity (VEVP)
o Material modeling solution for structural engineering
To be used in combination with Hybrid solution technology
o Reformulations in the homogenization engine
Viscoelastic part of the VEVP model consistent with a pure
viscoelastic formulation in tensile and shear tests
Elastoplastic part of the VEVP model consistent with a pure
elastoplastic formulation
o Supported technology
Microstructure –> Multi-Layer definition
Plasticity –> Modified spectral method
Viscous models –> Norton, Prandtl
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Clustering
o Nonlinear stiffness –> Elastoplastic
o Robustness –> Elastic matrix in clusters
o Enhancement –> Support of mass fraction
o To be used with the Hybrid solution technology
Coating
o Nonlinear stiffness –> Elastoplastic
Fatigue
o Macroscopic fatigue model applicable to UD composites
GUI
o Woven visualization based on XFG
o Display of unit system in use
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New Capabilities
RVE
o Generation based on Parasolid
Large Speed-Up
Improved Robustness
o Import of custom inclusion shape
Parasolid & STEP
o Export of generated geometries
Parasolid & STEP
Meshing
o Tetrahedral
1st / 2nd order conforming meshes
o Hexahedral
Mapping on voxelized RVE
Solution
o Analysis types
Mechanical
Thermo-mechanical
Isothermal material parameters
Thermal
Electrical
o Internal solver
Speed-Up –> Parallel computations supported
Robustness –> Choice between iterative & direct solvers
o Interfaces to external solvers
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Marc
Support of version 2013.1
Ansys
Support of version 15.0
Abaqus
Support of version 6.13
Support of version 6.14
o Post-processing of results file
o Windows 64bit
Geometry import
o STEP
o Parasolid –> specific Abaqus license required
Post-Processing
o Field visualization of results over RVE
User friendliness
Cutting plane capability
Snapshot
o Computation & visualization of result distributions over RVE
o Computation of representative (mean) properties
Woven materials
o Support via voxel solution
o Yarn definition
Elastic material
Properties computed from resin & fibers
Local material axes follow yarn’s waviness
o Enhanced modeling capabilities
2½D Woven
2D Baided
o Speed-up –> Faster generation of woven geometries
GUI
o Solver type to be chosen at the beginning of the analysis
o New rendering library used
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New Capabilities
Public Database
o Lanxess
TEPEX dynalite 102-RG600(x)/47% - PA / GF47 elastoplastic
TEPEX dynalite 104-RG600(x)/47% - PP / GF47 elastoplastic
o Victrex
Victrex 150GL30 - PEEK / GF30 elastic & elastoplastic
Victrex 150CA30 - PEEK / CF30 elastic & elastoplastic
Victrex 90HM40 - PEEK / CF40 elastic & elastoplastic
o DuPont
Zytel HTN54G35HSLR_BK031 - PA* / GF35 thermo-elastoplastic
Zytel PLS95G50DH2 BK261 - PA* / GF50 elastoplastic
Zytel 73G30HSL BK416 - PA6 / GF30 elastoplastic
Zytel 73G50HSLA BK416 - PA6 / GF50 elastoplastic
Zytel 70G30HSLR_BK099 - PA66 / GF30 elastoplastic
Zytel 70G50HSLA BK039B - PA66 / GF35 elastoplastic
Zytel 70G35HSLRA4 BK267 - PA66 / GF35 elastoplastic
Zytel 80G33HSLR_BK031 - PA66-I / GF33 elastoviscoplastic
Zytel FE5382 BK276 - PA612 / GF33 elastoplastic
Crastin HR5315HF NC010 - PBT / GF15 elastoviscplastic
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o Solvay
Database available on demand for local use
• Full content
• Encrypted grades
o e-Xstream engineering ______ GENERIC MATERIALS __________
SFRP - PEEK / GF30 elastic & elastoplastic
PEEK / GF35 elastic & elastoplastic
PEEK / GF40 elastic & elastoplastic
PEEK / CF30 elastic & elastoplastic
PEEK / CF35 elastic & elastoplastic
PEEK / CF40 elastic & elastoplastic
SFRP - PEI / CF30 (thermo-) elastic
PEI / CF35 (thermo-) elastic
UD - PEEK / CF55 elastic & elastoplastic
PEEK / CF65 elastic & elastoplastic
Unit System Management
o MPa / Pa / SI / CGS / FPS / psi / ksi
o 2 additional unit systems can be defined by the user
o Capabilities
Import & assign unit system
Convert between unit systems
Store & export with new unit system
Reverse Engineering
o Upgrade of the optimization engine –> Dakota 5.4
o Improved algorithm for progressive failure
Encryption
o Encrypt for groups
o Encryption of hybrid parameters
o Support of unit system management
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New Capabilities
Short Fiber Reinforced Plastics
o Simpoe Mold –> .xml format
LFT
o Read & map additional data
Variable aspect ratio
Moldex3D –> 3D
Molflow –> Midplane
Variable volume fraction
Moldex3D –> 3D
Woven
o Read & map warp / weft
o Interfaces to draping simulations
PAM-FORM
Digimat open format –> .xml based
Micro computer tomography (-CT)
o Read & map data from -CT
Fiber orientation
Fiber concentration
o Interface to Volume Graphics –> VGStudio MAX
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Casting
o Interface to MAGMASOFT
o Read & map data from casting simulations
Local pore concentration
Initial Stresses
o Export to ANSYS
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New Capabilities
Hybrid Solution
o Speed-Up in the generation of Hybrid parameters
Parallelization of the Hybrid pre-processor
o Support of material models
Viscoelasticity (+ failure)
Viscoelastic-Viscoplasticity (+ failure)
o Support of failure models
Tension-Compression differentiation
Stress based
Per-phase standard failure criteria
Multiple failure surfaces
o Reduced memory consumption
Failure
o Tension-Compression differentiation
Based on the transversely isotropic Tsai-Wu model
o Progressive Failure
Speed-Up & Improved robustness
o SIFT failure criteria
o Usage of failure criteria
FPGF criteria (PGA/PGB/PGC) merged to one output
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SFRP
o Simpoe-Mold
Support of .xml file format
Long Fiber Thermoplastics (LFT)
o Fiber bundling / nonlinear
Supported with the Hybrid solution method
–> 36 angle increments to be used
o Moldflow Midplane
Coupled analyses based on variable aspect ratio (Midplane)
o Moldex3D
Coupled analyses based on variable aspect ratio & volume
fraction (3D)
Woven / Draping
o Support of the advanced woven model with the Micro solution
2.5D Woven
2D Braided
o Interface to PAM-FORM
Coupled analyses based on local warp / weft data
o Use data in the Digimat open format
ASCII based exchange format for local warp / weft information
to be transferred from any type of draping analysis (e.g.
internal user solutions based on explicit solvers)
Computer Tomography (–CT)
o Interface to Volume Graphics
Data export from VGStudio MAX – Fiber Composite interface
Greyscale image analysis of –CT data
Coupled analyses based on local fiber orientation & volume
fraction
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Casting
o Interface to MAGMASOFT
Coupled analyses based on distribution of porosity
Local volume fraction
FE solvers
o General
For each FE solver (except Radioss and PAM-crash), only the
two last versions are officially supported by Digimat.
o Marc
Large rotations
Solid elements, isothermal analyses
Support of version 2012 (Linux 64bit)
Support of version 2013.1 (Windows / Linux 64bit)
o Abaqus
Support of version 6.13 (Windows / Linux 64bit)
o ANSYS
Support of version 15.0 (Windows / Linux 64bit)
o PAM-CRASH
Support of version 2013 (Windows / Linux 64bit)
GUI
o Display of unit system in use
o Usage of failure criteria simplified
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New Capabilities
Shell modeling
o Templates for coupled analyses with SHELL
o Visualization
Thickness
Layer-by-layer properties
Unit System Management
o MPa / Pa / SI / CGS / FPS / psi / ksi & user defined
Stiffness & Failure
o Parallel generation of Hybrid parameters
o Tension – compression differentiation
FEA solvers
o SAMCEF
o Radioss (SOLID modeling)
Injection molding simulations
o REM3D (support of .mtc file format)
o SIMPOE (support of .xml file format)
GUI
o New visualization engine
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BUG Fixes & Minor Improvements back to top
Digimat-MF
o Woven
Engineering moduli only computed for orthotropic stiffnesses
o Fatigue
Improved parameter definition (number of cycles, Sa, GUI)
o Coating
Correct density computation with coated voids
o Thermo-Elastoplasticity & Thermo-Elastoviscoplasticity
Poisson ratio correctly handled as a function of the temperature
Digimat-MX
o Database handling
Status of created DB (started/stopped, with or without service)
Improve delete grade process (interesting for very large DB)
Improve update of DB with the use of service
o Import
Reset loading angle during import process
o Reverse Engineering
Keep the initial orientation after RE
Digimat-MAP
o Change in mesh data (code refactoring)
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Digimat-CAE
o SFRP - HYBRID solution / explicit
Convergence issues fixed
o Woven -HYBRID solution
Improvement in the generation of parameters for small angles
(around 45°)
o Viscoelasticity
Fix for non-constant Poisson’s ratios
o Progressive failure
Improved behavior for triggering element deletion
o MuCell®
Support of SHELL
o Interface to Abaqus Standard (6.12 & 6.13)
Fix for shell composites
o Ansys PlugIn
Layer thickness correctly taken into account with .dof files
Improved management of layered sections
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Limitations back to top
Digimat-CAE
o Radioss, Hypermesh and Optistruct interfaces are not available.
o PAM-Crash interface :
Progressive failure model not available.
o SAMCEF interface :
Progressive failure model not available.
o Use of continuous fiber orientation files only available in Abaqus, Ansys
and LS-Dyna interfaces.
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