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Digimat_manual.pdf

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    Contents
    Digimat documentation
    Structure of the PDF manual
    The manual
    Table of contents
    Digimat Installation
    Digimat Platform
    Appendices
    How to browse the electronic version
    Interactive usage of the documentation
    External links
    Internal links
    Installation of Digimat software
    Getting started
    Digimat installation - quick & easy
    Installation of Digimat on a local computer
    Step-by-step: FlexLM license server
    Step-by-step: Digimat software
    Step-by-step: Digimat documentation
    FlexLM Licensing
    Licensing system
    Digimat via FlexLM licensing
    Set-up of the licensing system
    Configuration of the licensing system
    MSC One Licensing
    MSC One licensing system
    Altair Gridworks Licensing
    Licensing system
    Digimat via Altair Gridworks licensing
    Configuration of the licensing system
    Digimat licenses & settings
    Digimat licensing management
    Licensing location
    Licensing status
    Digimat settings
    The DIGIMAT_Settings.ini file
    Structure of the DIGIMAT_Settings.ini file
    Digimat environment variables
    Digimat-CAE Interfaces
    Digimat-CAE/Abaqus
    Digimat-CAE/ANSYS
    Digimat-CAE/Marc
    Digimat-CAE/MSC Nastran SOL400
    Digimat-CAE/SAMCEF
    Digimat-CAE/LS-DYNA
    Digimat-CAE/MSC Nastran SOL700
    Digimat-CAE/PAM-CRASH
    Digimat-CAE/Hypermesh and OptiStruct (Plug-In)
    Digimat-CAE/RADIOSS Block 51
    Digimat-CAE/MSC Nastran SOL1XX
    Digimat-CAE/OptiStruct
    Digimat-CAE/PERMAS
    Digimat-CAE/nCode DesignLife
    Digimat-CAE/Virtual.Lab Durability
    Digimat-CAE/ANSYS Fluent
    Digimat
    Platform
    Overview
    Tools
    Solutions
    Interoperability
    eXchange platform
    Material modeler
    Global definitions
    Functions
    Axis systems
    Digimat-MF
    Overview
    General description
    Homogenization Methods
    Micro (per-phase) material models
    Microstructure (composite) morphology
    Failure Indicators
    Loading
    Mean-field homogenization Theory
    Heterogeneous composite materials
    Micro-macro (two-scale) approach
    General averaging results
    Homogenization and scale-transition methods
    Mean-field homogenization (MFH)
    Graphical User Interface
    General overview
    Batch mode
    Setting dependencies
    Analysis parameters
    Analyses
    General parameters
    Integration parameters
    Isotropic extraction methods
    Eshelby approach
    General method
    Spectral method
    Modified spectral method
    Example
    Materials
    Linear (thermo-)elasticity
    Elasto-plasticity: J2-plasticity model
    Generalized Drucker-Prager plasticity
    Elasto-plastic damage material
    Thermo-elastoplasticity
    Elasto-viscoplasticity
    Thermo-elasto-viscoplasticity
    Viscoelasticity
    Thermo-viscoelasticity
    Viscoelasticity-viscoplasticity
    (Thermo-)hyperelasticity
    Leonov-EGP model
    Fourier model - thermal conductivity
    Ohm Model - Electrical conductivity
    Microstructure
    Composite microstructures
    Theory
    RVE
    RVE types
    Single microstructure
    Multilayer microstructure
    Fabric RVE
    Example
    Failure
    Failure indicators
    Failure criterion definition & assignment
    Progressive failure model
    First Pseudo-Grain failure model
    Pseudo grain fatigue model
    Matrix damage fatigue model
    Loadings
    Mechanical loading
    Fatigue loading
    Thermo-mechanical loading
    Thermal Loading
    Electrical Loading
    Results
    Output management
    Output files and variables
    Plotting tools
    Plotting failure envelopes
    Plotting carpet plots
    Engineering Results
    Digimat-FE
    Overview
    General description
    Pre and post-processing
    Interfaces to external FEA
    Graphical User Interface
    Overview
    Files
    Analysis parameters
    Analyses
    RVE
    Orientation
    Materials
    Cohesive material & Debonding
    Per-phase failure
    Microstructure
    Definition
    Type
    Parameters
    Advanced parameters
    Inter-phase
    RVE
    CPU time
    Reaching high volume fraction
    Single versus multilayer RVE
    Fabric RVE
    RVE geometry setup
    Geometry visualization
    Mesh
    Loadings
    Type of boundary condition
    Mechanical loading
    Thermo-mechanical loading
    Thermal loading
    Electrical loading
    Solution
    Introduction
    Solution with solvers using internal Digimat-FE mesher
    Solution with external FE preprocessor
    Results
    Percolation
    CAE results local post-processing
    CAE results global post-processing
    Plotting tools
    Digimat-MX
    Overview
    General description
    Graphical user interface
    Database Connection
    MX GUI
    Menu bar
    Quick filter
    Main window - how to access data
    Tools
    Reverse engineering
    Local databases administration
    Remote database administration
    Plotting
    Basics about databases
    Data structure
    Abbreviated terms
    Unit systems
    Digimat Experimental file
    Failure information
    Database entries
    The Digimat-MX data exchange format
    Working in databases
    Connection to a database
    Database upgrade
    Data import
    Data query
    Data editing
    Data sharing
    Managing databases
    Local databases administration
    Database creation
    Server management
    Server service
    User management
    Group management
    Database backup
    Digimat-MX +
    What is Digimat-MX +?
    Encryption/Decryption principle
    Encrypted file
    Interfaces
    Internal communication with Digimat modules
    Material Data Center
    Matereality
    Reverse Engineering
    Basics
    Identification
    Direct tensile
    Temperature Dependence
    Virtual Relaxation
    Aspect ratio reverse engineering
    Failure indicator
    Strength objective
    Fatigue failure indicator
    Strain limit
    Microstructure surdefinition
    Output optimization
    Reverse engineering report
    Digimat-MAP
    Overview
    General description
    Supported formats
    Geometric transformation capabilities
    Data manipulation capabilities
    Graphical user interface
    Introduction to the graphical user interface (GUI)
    Mapping
    Mapping methods
    Mapping in command line mode
    Mapping draping data
    Digimat-CAE
    Overview
    General description
    Interfaces
    Solution methods
    Graphical user interface
    General overview
    Analysis Parameters
    Results in state variables
    Composite behavior
    Output files
    Coupling to Finite Element software
    Aspects common to several interfaces
    Digimat-CAE/Abaqus
    Digimat-CAE/ANSYS
    Digimat-CAE/Marc
    Digimat-CAE/MSC Nastran SOL400
    Digimat-CAE/SAMCEF
    Digimat-CAE/LS-DYNA
    Digimat-CAE/MSC Nastran SOL700
    Digimat-CAE/PAM-CRASH
    Digimat-CAE/HyperMesh (Plug-In)
    Digimat-CAE/OptiStruct (Plug-In)
    Digimat-CAE/RADIOSS Block 51
    Digimat-CAE/MSC Nastran SOL1XX
    Digimat-CAE/OptiStruct
    Digimat-CAE/PERMAS
    Coupling to fatigue software
    Digimat-CAE/nCode DesignLife
    Digimat-CAE/Virtual.Lab Durability
    Coupling to injection molding software
    Digimat-CAE/Moldflow
    Digimat-CAE/Moldex3D
    Digimat-CAE/SIGMASOFT
    Digimat-CAE/3D TIMON
    Digimat-CAE/REM3D
    Coupling to metal casting software
    Digimat-CAE/Magmasoft
    Digimat-CAE/ProCAST
    Coupling to liquid composite molding software
    Digimat-CAE/PAM-RTM
    Coupling to draping software
    General information
    Digimat-CAE/Simulayt
    Digimat-CAE/PAM-FORM
    Digimat-CAE/Aniform
    Digimat open format
    Coupling to fluid dynamics software
    Digimat-CAE/ANSYS Fluent
    Digimat-RP
    Overview
    Microsoft .NET Prerequisites
    General description
    Main window
    The Home ribbon
    The Tools ribbon
    Prerequisites
    Prerequisites
    The Structural model window
    Structural model
    Material couplers
    Field mapping
    The Digimat material window
    Model
    Solution
    The Manufacturing process window
    Manufacturing process - from injection simulation results
    Manufacturing process - Fiber orientation estimation
    Usage recommandations and limitations
    FEA jobs submission and monitoring
    Submitting jobs
    Running and monitoring jobs
    Special case: linear solution
    Capabilities
    Description of the solution
    Potential issues
    Digimat-VA
    Overview
    Prerequisites
    General description
    Allowables and composite characterization background
    Software usage
    Test matrix
    General description
    Material definition
    Layup definition
    Standard test definition
    Environment conditions
    Test matrix edition
    Variability definition
    Simulation
    General description
    Digimat model
    FE Analysis
    FEA job submission
    Allowables
    Computation of allowables
    Global post-processing
    Local post-processing
    Report
    Files and data management
    Project and files
    Database
    Digimat-HC
    Overview
    General description
    Digimat-HC GUI
    Digimat-HC files
    Graphical user interface
    Analysis procedure
    Software
    New capabilities & changes in the software
    Digimat 2017.0
    Digimat 2016.1
    Digimat 2016.0
    Digimat 6.1.1
    Digimat 6.0.1
    Digimat 5.1.2
    Digimat 5.1.2 Student Edition
    Digimat 5.1.1
    Digimat 5.0.1
    Digimat 4.5.1
    Digimat 4.4.1
    Digimat 4.3.1
    Digimat 4.2.1
    Digimat 4.1.2
    Supported systems
    Licensing systems
    Operating systems
    Products with Altair Gridworks licensing
    Digimat GUI
    Digimat-CAE
    Supported CAE software
    Digimat-CAE
    Digimat-FE
    Digimat-MAP
    Windows Prerequisites
    Installation of prerequisites on Windows platforms
    Microsoft Visual Studio Express 2012 for Windows Desktop
    Microsoft .NET Framework 4.5
    Known limitations
    Documentation
    External linking
    Tutorials
    Licensing & GUI
    Digimat Licensing
    Digimat GUI
    Digimat-MF
    Graphical user interface
    Homogenization
    Materials
    Microstructure
    RVE
    Failure
    Loadings
    Output
    Digimat-FE
    Materials
    RVE Generation
    Results
    Digimat-MX
    General
    Database managemement
    GUI
    Databases
    Interfaces
    Digimat-MX data
    Digimat-MX + data
    Reverse engineering
    Digimat-MAP
    Visualization
    Data formats
    Mapping
    Digimat-CAE
    General limitations
    Coupling to Finite Element software
    Coupling to fatigue software
    Coupling to injection molding, liquid composite molding, and casting softwares
    Coupling to fluid dynamics software
    Digimat-RP
    Structural
    Material
    Remarks
    Digimat-VA
    Report
    Digimat-HC
    General
    Guidelines
    Licensing
    Installation of the FlexLM license server
    Digimat-MF
    Homogenization method
    Analysis parameters & convergence issues
    Materials
    Failure
    Loadings
    Reverse Engineering of the EVP material model for creep
    Reverse Engineering of the VEVP material model for crash applications
    Reverse Engineering of CTE
    Digimat-FE
    Inter-phase cohesive zone model
    Debonding at interface in DFC materials
    Digimat-MX
    Database management
    Databases
    Reverse Engineering
    Reverse Engineering GUI tool
    Digimat-MAP
    Superimposition and superposition of meshes
    Mapping
    Results
    Digimat-CAE
    Graphical user interface
    Coupling to Finite Element software
    Export stiffness properties
    Coupling to injection molding software
    Micro usage
    Examples and tutorials
    Example manual
    Digimat Example manual
    Digimat Platform
    Examples
    Digimat-MF
    Examples
    Tutorials
    Digimat-FE
    Examples
    Digimat-MX
    Examples
    Digimat-MAP
    Tutorials
    Digimat-CAE
    Tutorials
    MSC Licensing
    Third Party Software Notice
    References
    References
    USER’S MANUALRelease 2017.0 –December 2016For material suppliers and end-users who suffer from long and costly development cycles, e-Xstreamengineering offers Digimat, The nonlinear multi-scale material & structure modeling platform, an innovative and efficient software suite to accurately predict the nonlinear behavior of composite materials and structures used across the industries.The material modeling companywww.e-Xstream.com
    Contents Contents I Digimat documentation I.1 I.1.1 I.1.2 I.1.3 I.1.4 I.1.5 I.2 I.2.1 I.2.2 I.2.3 Structure of the PDF manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . The manual Table of contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Digimat Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Digimat Platform . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Appendices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . How to browse the electronic version Interactive usage of the documentation . . . . . . . . . . . . . . . . . . . . . . . . . External links . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Internal links . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . II Installation of Digimat software II.1 II.1.1 II.1.2 II.1.3 II.1.4 II.1.5 II.2 II.2.1 II.2.2 II.2.3 II.2.4 Getting started Digimat installation - quick & easy . . . . . . . . . . . . . . . . . . . . . . . . . . . Installation of Digimat on a local computer . . . . . . . . . . . . . . . . . . . . . . Step-by-step: FlexLM license server . . . . . . . . . . . . . . . . . . . . . . . . . . . Step-by-step: Digimat software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Step-by-step: Digimat documentation . . . . . . . . . . . . . . . . . . . . . . . . . FlexLM Licensing Licensing system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Digimat via FlexLM licensing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Set-up of the licensing system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Configuration of the licensing system . . . . . . . . . . . . . . . . . . . . . . . . . . II.3 MSC One Licensing II.3.1 MSC One licensing system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . II.4 II.4.1 II.4.2 II.4.3 II.4.4 II.5 II.5.1 II.5.2 Altair Gridworks Licensing Licensing system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Digimat via Altair Gridworks licensing . . . . . . . . . . . . . . . . . . . . . . . . . Configuration of the licensing system . . . . . . . . . . . . . . . . . . . . . . . . . . Digimat licenses & settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Digimat licensing management Licensing location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Licensing status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 3 15 17 18 18 18 18 19 21 22 23 24 27 29 30 33 38 44 68 73 74 76 78 79 81 82 83 84 84 84 85 87 88 89
    4 Contents II.6 II.6.1 II.6.2 II.6.3 II.7 II.7.1 II.7.2 II.7.3 II.7.4 II.7.5 II.7.6 II.7.7 II.7.8 II.7.9 II.7.10 II.7.11 II.7.12 II.7.13 II.7.14 II.7.15 II.7.16 Digimat settings The DIGIMAT_Settings.ini file . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Structure of the DIGIMAT_Settings.ini file . . . . . . . . . . . . . . . . . . . . . . Digimat environment variables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Digimat-CAE Interfaces Digimat-CAE/Abaqus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Digimat-CAE/ANSYS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Digimat-CAE/Marc . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Digimat-CAE/MSC Nastran SOL400 . . . . . . . . . . . . . . . . . . . . . . . . . . Digimat-CAE/SAMCEF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Digimat-CAE/LS-DYNA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Digimat-CAE/MSC Nastran SOL700 . . . . . . . . . . . . . . . . . . . . . . . . . . Digimat-CAE/PAM-CRASH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Digimat-CAE/Hypermesh and OptiStruct (Plug-In) . . . . . . . . . . . . . . . . . . Digimat-CAE/RADIOSS Block 51 . . . . . . . . . . . . . . . . . . . . . . . . . . . Digimat-CAE/MSC Nastran SOL1XX . . . . . . . . . . . . . . . . . . . . . . . . . . Digimat-CAE/OptiStruct . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Digimat-CAE/PERMAS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Digimat-CAE/nCode DesignLife . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Digimat-CAE/Virtual.Lab Durability . . . . . . . . . . . . . . . . . . . . . . . . . . Digimat-CAE/ANSYS Fluent . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . III Digimat III.1 III.1.1 III.1.2 III.1.3 III.2 III.2.1 III.2.2 III.3 III.3.1 III.3.2 Platform Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Solutions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Interoperability eXchange platform . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Material modeler . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Global definitions Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Axis systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . IV Digimat-MF IV.1 Overview IV.1.1 IV.1.2 IV.1.3 IV.1.4 IV.1.5 IV.1.6 General description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Homogenization Methods . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Micro (per-phase) material models . . . . . . . . . . . . . . . . . . . . . . . . . . . Microstructure (composite) morphology . . . . . . . . . . . . . . . . . . . . . . . . Failure Indicators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Loading . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . IV.2 Mean-field homogenization Theory IV.2.1 IV.2.2 IV.2.3 IV.2.4 IV.2.5 Heterogeneous composite materials . . . . . . . . . . . . . . . . . . . . . . . . . . . Micro-macro (two-scale) approach . . . . . . . . . . . . . . . . . . . . . . . . . . . General averaging results . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Homogenization and scale-transition methods . . . . . . . . . . . . . . . . . . . . . Mean-field homogenization (MFH) . . . . . . . . . . . . . . . . . . . . . . . . . . . 91 92 93 97 99 101 105 111 116 117 121 125 126 128 132 136 137 138 139 140 142 145 147 148 150 156 161 162 165 167 168 172 175 177 178 180 180 181 181 181 183 184 185 186 188 190
    Contents IV.3 IV.3.1 IV.3.2 IV.3.3 IV.4 IV.4.1 IV.4.2 IV.4.3 IV.5 IV.5.1 IV.5.2 IV.5.3 IV.5.4 IV.5.5 Graphical User Interface General overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Batch mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Setting dependencies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Analysis parameters Analyses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . General parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Integration parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Isotropic extraction methods Eshelby approach . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . General method . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Spectral method . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Modified spectral method . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . IV.6 Materials Linear (thermo-)elasticity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . IV.6.1 Elasto-plasticity: J2-plasticity model . . . . . . . . . . . . . . . . . . . . . . . . . . IV.6.2 Generalized Drucker-Prager plasticity . . . . . . . . . . . . . . . . . . . . . . . . . . IV.6.3 Elasto-plastic damage material . . . . . . . . . . . . . . . . . . . . . . . . . . . . . IV.6.4 Thermo-elastoplasticity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . IV.6.5 Elasto-viscoplasticity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . IV.6.6 Thermo-elasto-viscoplasticity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . IV.6.7 Viscoelasticity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . IV.6.8 Thermo-viscoelasticity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . IV.6.9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . IV.6.10 Viscoelasticity-viscoplasticity (Thermo-)hyperelasticity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . IV.6.11 Leonov-EGP model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . IV.6.12 IV.6.13 Fourier model - thermal conductivity . . . . . . . . . . . . . . . . . . . . . . . . . . IV.6.14 Ohm Model - Electrical conductivity . . . . . . . . . . . . . . . . . . . . . . . . . . IV.7 Microstructure IV.7.1 IV.7.2 Composite microstructures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Theory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . IV.8 IV.8.1 IV.8.2 IV.8.3 IV.8.4 IV.8.5 IV.9 IV.9.1 IV.9.2 IV.9.3 IV.9.4 IV.9.5 IV.9.6 RVE RVE types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Single microstructure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Multilayer microstructure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Fabric RVE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Failure Failure indicators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Failure criterion definition & assignment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Progressive failure model . . . . . . . . . . . . . . . . . . . . . . . . . . . . First Pseudo-Grain failure model Pseudo grain fatigue model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Matrix damage fatigue model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . IV.10 Loadings IV.10.1 Mechanical loading . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . IV.10.2 Fatigue loading . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . IV.10.3 Thermo-mechanical loading . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . IV.10.4 Thermal Loading . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 215 216 232 232 237 238 238 241 247 248 249 249 249 250 251 253 259 264 268 273 276 281 285 290 295 302 309 313 316 319 320 320 333 334 334 334 337 346 347 349 365 371 384 390 397 403 404 413 416 418
    6 V Contents IV.10.5 Electrical Loading . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . IV.11 Results IV.11.1 Output management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . IV.11.2 Output files and variables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . IV.11.3 Plotting tools Plotting failure envelopes IV.11.4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Plotting carpet plots . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . IV.11.5 IV.11.6 Engineering Results . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Digimat-FE Overview V.1 V.1.1 V.1.2 V.1.3 General description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Pre and post-processing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Interfaces to external FEA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . V.2 V.2.1 V.2.2 V.3 V.3.1 V.3.2 V.3.3 Graphical User Interface Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Files . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Analysis parameters Analyses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . RVE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Orientation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . V.4 Materials V.4.1 V.4.2 Cohesive material & Debonding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Per-phase failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . V.5 Microstructure V.5.1 V.5.2 V.5.3 V.5.4 V.5.5 Definition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Advanced parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Inter-phase . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . V.6 V.6.1 V.6.2 V.6.3 V.6.4 V.6.5 V.6.6 V.6.7 V.7 V.7.1 V.7.2 V.7.3 V.7.4 V.7.5 V.8 V.8.1 V.8.2 V.8.3 RVE CPU time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Reaching high volume fraction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Single versus multilayer RVE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Fabric RVE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . RVE geometry setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Geometry visualization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Mesh . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Loadings Type of boundary condition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Mechanical loading . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Thermo-mechanical loading . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Thermal loading . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Electrical loading . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Solution Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Solution with solvers using internal Digimat-FE mesher . . . . . . . . . . . . . . . . Solution with external FE preprocessor . . . . . . . . . . . . . . . . . . . . . . . . . 420 423 424 435 440 443 449 455 459 461 462 464 464 465 466 471 473 474 475 476 477 478 483 485 486 486 488 494 497 499 500 501 502 505 507 512 521 525 526 529 536 536 537 539 540 540 546
    Contents V.9 V.9.1 V.9.2 V.9.3 V.9.4 Results Percolation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . CAE results local post-processing . . . . . . . . . . . . . . . . . . . . . . . . . . . . CAE results global post-processing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Plotting tools VI Digimat-MX VI.1 Overview VI.1.1 General description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VI.2 VI.2.1 VI.2.2 VI.2.3 VI.2.4 VI.2.5 VI.2.6 VI.2.7 VI.2.8 VI.2.9 VI.2.10 VI.3 VI.3.1 VI.3.2 VI.3.3 VI.3.4 VI.3.5 VI.3.6 VI.3.7 Graphical user interface Database Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MX GUI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Menu bar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Quick filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Main window - how to access data . . . . . . . . . . . . . . . . . . . . . . . . . . . Tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Reverse engineering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Local databases administration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Remote database administration . . . . . . . . . . . . . . . . . . . . . . . . . . . . Plotting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Basics about databases Data structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Abbreviated terms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Unit systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Digimat Experimental file . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Failure information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Database entries . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . The Digimat-MX data exchange format . . . . . . . . . . . . . . . . . . . . . . . . VI.4 Working in databases VI.4.1 VI.4.2 VI.4.3 VI.4.4 VI.4.5 VI.4.6 Connection to a database . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Database upgrade . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Data import . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Data query . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Data editing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Data sharing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VI.5 Managing databases VI.5.1 VI.5.2 VI.5.3 VI.5.4 VI.5.5 VI.5.6 VI.5.7 Local databases administration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Database creation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Server management Server service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . User management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Group management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Database backup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VI.6 Digimat-MX + VI.6.1 What is Digimat-MX +? VI.6.2 VI.6.3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Encryption/Decryption principle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Encrypted file . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VI.7 VI.7.1 Interfaces Internal communication with Digimat modules . . . . . . . . . . . . . . . . . . . . 7 551 552 555 555 559 563 565 566 567 568 570 571 573 575 588 594 613 614 621 627 628 632 637 640 641 643 644 647 648 650 653 659 664 667 669 671 672 674 677 678 680 681 683 684 686 690 693 694
    8 Contents VI.7.2 VI.7.3 Material Data Center . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Matereality . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Reverse Engineering VI.8 Basics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VI.8.1 Identification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VI.8.2 Direct tensile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VI.8.3 Temperature Dependence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VI.8.4 Virtual Relaxation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VI.8.5 Aspect ratio reverse engineering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VI.8.6 Failure indicator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VI.8.7 Strength objective . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VI.8.8 Fatigue failure indicator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VI.8.9 VI.8.10 Strain limit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VI.8.11 Microstructure surdefinition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VI.8.12 Output optimization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VI.8.13 Reverse engineering report . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VII Digimat-MAP VII.1 Overview VII.1.1 VII.1.2 VII.1.3 VII.1.4 General description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Supported formats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Geometric transformation capabilities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Data manipulation capabilities VII.2 Graphical user interface VII.2.1 Introduction to the graphical user interface (GUI) . . . . . . . . . . . . . . . . . . . VII.3 Mapping VII.3.1 Mapping methods . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VII.3.2 Mapping in command line mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . VII.3.3 Mapping draping data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VIII Digimat-CAE VIII.1 Overview VIII.1.1 General description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Interfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VIII.1.2 VIII.1.3 Solution methods . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VIII.2 Graphical user interface VIII.2.1 General overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VIII.2.2 Analysis Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VIII.2.3 Results in state variables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VIII.2.4 Composite behavior . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VIII.2.5 Output files VIII.3 Coupling to Finite Element software VIII.3.1 Aspects common to several interfaces . . . . . . . . . . . . . . . . . . . . . . . . . . VIII.3.2 Digimat-CAE/Abaqus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VIII.3.3 Digimat-CAE/ANSYS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VIII.3.4 Digimat-CAE/Marc . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VIII.3.5 Digimat-CAE/MSC Nastran SOL400 . . . . . . . . . . . . . . . . . . . . . . . . . . VIII.3.6 Digimat-CAE/SAMCEF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 696 698 701 702 704 706 711 712 715 716 721 722 724 725 726 727 729 731 733 734 738 741 745 746 755 756 771 776 779 781 782 784 786 789 790 797 815 820 821 823 825 833 853 869 881 891
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