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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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