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1. Introduction to LS-DYNA
2. Running LS-DYNA
2.1. How to use LS-DYNA in Workbench
2.1.1. Selecting the Version of LS-DYNA to Run
2.1.1.1. Analysis Settings
2.1.1.2. Exposing Other Versions of LS-DYNA
2.1.2. Solving Units
2.1.3. Explicit-to-Implicit Sequential Solutions
2.1.3.1. Steps to run a Sequential Solution
2.1.4. Using LS-DYNA Implicit Features for the Implicit Calculation
2.2. Licensing Requirements
2.3. Running a Distributed Solution
2.3.1. Shared Memory Parallel Processing
2.3.2. Massively Parallel Processing
2.3.3. Configuring LS-DYNA in Parallel
2.3.3.1. Prerequisites for Running LS-DYNA in Parallel
2.3.3.2. MPI Software
2.3.3.3. Installing the Software
3. General Workflow
3.1. Setting up a Project
3.2. Create the Analysis System
3.3. Defining Materials
3.4. Attaching Geometry
3.5. Defining Part Behavior
3.5.1. Adaptive Region
3.5.2. Adaptive Solid to SPH
3.5.3. ISPH Region
3.6. Defining Connections
3.7. Defining Mesh Settings
3.7.1. S-ALE Mesh
3.7.1.1. S-ALE Mesh Workflow
3.7.1.2. S-ALE Mesh Operation
3.8. Defining Named Selections
3.9. Defining Analysis Settings
3.10. Using Symmetry
3.11. Defining Initial Conditions
3.12. Defining Boundary Conditions
3.13. Solving
3.13.1. Modifying Default Solver Settings
3.13.2. Splitting the LS-DYNA Input File
3.13.3. Solving from Time = 0
3.14. Accessing Results
3.14.1. Post-processing for Solver-Created SPH Elements
3.14.2. Post-processing for Subset of Parts
3.14.3. Capture Maximum Stress during Calculation
3.14.4. The Binout Tracker
3.15. Additional LS-DYNA Analysis Tools
4. Importing External Data
4.1. Importing the Results of a Thermal Analysis
4.2. Importing the Results of an FSI Thermal Analysis
4.3. Importing the Pressure Results of an FSI Analysis
5. Solver Workflows
5.1. Thermal Workflow
5.2. ALE Workflow
5.2.1. ALE\S-ALE Material Failure
5.2.2. S-ALE Material Grouping
5.2.3. Using New S-ALE Keywords
5.3. SPH Workflow
5.4. Incompressible SPH Workflow
5.4.1. An Example of an ISPH Analysis
5.5. SPG and ISPG Workflows
5.6. Electromagnetic Workflow
5.6.1. Battery Support
5.6.1.1. Battery Cell
5.6.1.2. Battery Thermal Abuse
5.6.1.3. Isopotential Connections
5.6.1.4. Circuits Short Resistance
5.7. Composites Workflow
5.8. Acoustics Workflow
5.9. Multiple Case Workflow
5.9.1. Specifying Cases
5.9.2. Post-processing
5.9.3. Limitations
5.10. Multi-System Analysis
5.10.1. Setting up a Multi-System Analysis with Shared Model Data
5.10.2. Setting up a Multi-System Analysis using Solution Transfer
5.10.3. Body Settings Automatically Transferred Between Systems
5.10.4. Customizing the Data Transferred Between Systems
6. Connections
6.1. Springs
6.2. Coupling
6.3. SPH to SPH Penalty-Based Contact
6.3.1. ISPG to Surface Coupling
6.3.2. Additional Contact Properties
7. Analysis Settings
7.1. Step Controls
7.2. CPU and Memory Management
7.3. Solver Controls
7.4. Initial Velocities
7.5. Implicit Controls
7.6. Damping Controls
7.7. Hourglass Controls
7.8. SPH Controls
7.9. ALE Controls
7.10. Adaptivity Controls
7.11. Joint Controls
7.12. Composite Controls
7.13. Thermal Step Controls
7.14. Thermal Solver Controls
7.15. Thermal Nonlinear Controls
7.16. EM Step Controls
7.17. EM Solver Controls
7.18. Advanced
7.19. Output Controls
7.20. Time History Output Controls
7.21. Analysis Data Management
8. Loads and Supports
8.1. Rigid Body Tools
8.1.1. Rigid Body Rotation
8.1.2. Rigid Body Angular Velocity
8.1.3. Rigid Body Force
8.1.4. Rigid Body Moment
8.1.5. Rigid Body Constraint
8.1.6. Master Rigid Body
8.1.7. Rigid Body Property
8.1.8. Explicit Rigid Bodies
8.1.9. Merge Rigid Bodies
8.1.10. Rigid Body Additional Nodes
8.2. Airbag or Simple Pressure Volume
8.3. Input File Include Constraint
8.4. Keyword Snippet (LS-DYNA) Constraint
8.5. Bolt Pretension
8.6. Dynamic Relaxation
8.7. Bounding Box
8.7.1. Defining a Box
8.7.2. Using a Box in the Analysis
8.8. ALE Boundary
8.9. Change Boundary Condition
8.10. Importing External Loads
8.10.1. Imported Displacement
9. Postprocessing
9.1. Solution Output
9.2. Result Trackers
9.2.1. Point Scoped Result Trackers for LS-DYNA
9.2.2. Body Scoped Result Trackers for LS-DYNA
9.2.3. Viewing and Filtering Result Tracker Graphs for LS-DYNA
9.2.4. Force Reaction Result Trackers for LS-DYNA
9.3. Isopotential Connections and Randles Cells Results
9.4. Tracers for ALE/S-ALE
9.4.1. Defining a Tracer Object
9.4.2. Postprocessing
9.5. Review Results
9.6. S-ALE Postprocessing in LS-DYNA
9.7. User Defined Results for LS-DYNA Analyses
9.8. History Variable Output
10. Restarting an LS-DYNA Analysis
10.1. Performing a Simple Restart
10.2. Performing a Small Restart
10.3. Performing a Full Restart
11. The LS-DYNA Keyword Manager
11.1. Activating the Keyword Manager
11.2. Using the Keyword Manager
11.3. Notes and Limitations
12. Keywords used by LS-DYNA in Workbench
12.1. Input File Header
12.2. Database Format
12.3. Control Cards
12.4. Dynamic Relaxation Support
12.4.1. Available Preloads for Dynamic Relaxation
12.5. ALE Support
12.6. Part Setup
12.7. Engineering Data Materials and Equations of State
12.8. Mesh Definition
12.9. Coordinate Systems
12.10. Components and Named Selections
12.11. Remote Points and Point Masses
12.12. Initial Conditions
12.13. Contacts and Body Interactions
12.13.1. Keywords Created from the Contact Properties Object
12.14. Kinematic Joints
12.15. Magnitude and Tabular Data
12.16. Acceleration and Gravity
12.17. Supports
12.18. Loads
12.19. Electromagnetic Support
12.20. Discrete Connections
12.21. Other Supports
12.22. Environment Temperature
12.23. ASCII Files
12.24. Database Output Settings
12.25. Restart
12.25.1. Changing Velocity
12.25.2. Delete Model Pieces
12.26. End of Input File
13. Material Models Available in Workbench
13.1. Introduction
13.1.1. Equation of State
13.1.2. Material Strength Model
13.1.3. Material Failure Model
13.2. Density
13.3. Linear Elastic
13.3.1. Isotropic Elasticity
13.3.2. Orthotropic Elasticity
13.3.3. Anisotropic Elasticity
13.4. Test Data
13.5. Hyperelasticity
13.5.1. Blatz-Ko Hyperelasticity
13.5.2. Mooney-Rivlin
13.5.3. Polynomial
13.5.4. Yeoh
13.5.5. Ogden
13.6. Plasticity
13.6.1. Bilinear Isotropic Hardening
13.6.2. Multilinear Isotropic Hardening
13.6.3. Bilinear Kinematic Hardening
13.6.4. Johnson-Cook Strength
13.6.5. Cowper-Symonds Power Law Hardening
13.6.6. Rate Sensitive Power Law Hardening
13.6.7. Cowper-Symonds Piecewise Linear Hardening
13.6.8. Modified Cowper-Symonds Piecewise Linear Hardening
13.7. Forming Plasticity
13.7.1. Bilinear Transversely Anisotropic Hardening
13.7.2. Multilinear Transversely Anisotropic Hardening
13.7.3. Bilinear FLD Transversely Anisotropic Hardening
13.7.4. Multilinear FLD Transversely Anisotropic Hardening
13.7.5. Bilinear 3 Parameter Barlat Hardening
13.7.6. Exponential 3 Parameter Barlat Hardening
13.7.7. Exponential Barlat Anisotropic Hardening
13.8. Foams
13.8.1. Rate Independent Low Density Foam
13.9. Eulerian
13.9.1. Vacuum
13.10. Rigid Materials
13.11. Equations of State
13.11.1. Background
13.11.2. Ideal Gas EOS
13.11.3. Bulk Modulus
13.11.4. Shear Modulus
13.11.5. Polynomial EOS
13.11.6. Shock EOS Linear
13.11.7. Shock EOS Bilinear
13.11.8. Explosive JWL
13.12. Failure
13.12.1. Plastic Strain Failure
13.12.2. Principal Stress Failure
13.12.3. Principal Strain Failure
13.12.4. Johnson-Cook Failure
13.13. Thermal Properties
13.14. Electromagnetic Properties
13.15. LS-DYNA External Model Material Properties
13.15.1. LS-DYNA - MAT
13.15.1.1. *MAT_ELASTIC (1)
13.15.1.2. *MAT_<option>TROPIC_ELASTIC (2)
13.15.1.3. *MAT_PLASTIC_KINEMATIC (3)
13.15.1.6. *MAT_VISCOELASTIC (6)
13.15.1.7. *MAT_BLATZ-KO_RUBBER (7)
13.15.1.8. *MAT_HIGH_EXPLOSIVE_BURN (8)
13.15.1.9. *MAT_NULL (9)
13.15.1.10. *MAT_ELASTIC_PLASTIC_HYDRO (10)
13.15.1.15. *MAT_JOHNSON_COOK (15)
13.15.1.18. *MAT_POWER_LAW_PLASTICITY (18)
13.15.1.24. *MAT_PIECEWISE_LINEAR_PLASTICITY (24)
13.15.1.26. *MAT_HONEYCOMB (26)
13.15.1.27. *MAT_MOONEY-RIVLIN_RUBBER (27)
13.15.1.32. *MAT_LAMINATED_GLASS (32)
13.15.1.34. *MAT_FABRIC (34)
13.15.1.41. *MAT_USER_DEFINED_MATERIAL_MODELS (41)
13.15.1.54. *MAT_ENHANCED_COMPOSITE_DAMAGE (54)
13.15.1.57. *MAT_LOW_DENSITY_FOAM (57)
13.15.1.58. *MAT_LAMINATED_COMPOSITE_FABRIC (58)
13.15.1.59. *MAT_COMPOSITE_FAILURE_<option>_MODEL (59)
13.15.1.63. *MAT_CRUSHABLE_FOAM (63)
13.15.1.66. *MAT_LINEAR_ELASTIC_DISCRETE_BEAM (66)
13.15.1.67. *MAT_NONLINEAR_ELASTIC_DISCRETE_BEAM (67)
13.15.1.72. *MAT_CONCRETE_DAMAGE_REL3 (72)
13.15.1.75. *MAT_ BILKHU/DUBOIS_FOAM (75)
13.15.1.76. *MAT_GENERAL_VISCOELASTIC (76)
13.15.1.77. Hyperelastic and Ogden Rubber (77)
13.15.1.81. *MAT_PLASTICITY_WITH_DAMAGE (81)
13.15.1.83. *MAT_FU_CHANG_FOAM (83)
13.15.1.98. *MAT_SIMPLIFIED_JOHNSON_COOK (98)
13.15.1.107. *MAT_MODIFIED_JOHNSON_COOK (107)
13.15.1.123. *MAT_MODIFIED_PIECEWISE_LINEAR_PLASTICITY (123)
13.15.1.124. *MAT_PLASTICITY_COMPRESSION_TENSION (124)
13.15.1.126. *MAT_MODIFIED_HONEYCOMB (126)
13.15.1.181. *MAT_SIMPLIFIED_RUBBER/FOAM (181)
13.15.1.187. *MAT_SAMP_LIGHT (187)
13.15.1.221. *MAT_ORTHOTROPIC _SIMPLIFIED_DAMAGE (221)
13.15.1.255. *MAT_PIECEWISE_LINEAR_PLASTIC_THERMAL (255)
13.15.1.900. *MAT_ALE_VISCOUS
13.15.2. LS-DYNA - EOS
13.15.2.1. *EOS_LINEAR_POLYNOMIAL (1)
13.15.2.2. *EOS_JWL (2)
13.15.2.4. *EOS_GRUNEISEN (4)
13.15.2.9. *EOS_TABULATED (9)
13.15.2.12. *EOS_IDEAL_GAS (12)
13.15.2.19. *EOS_MURNAGHAN (19)
13.15.3. LS-DYNA - MAT_ADD
13.15.3.1. *MAT_ADD_DAMAGE_GISSMO
13.15.3.2. *MAT_ADD_EROSION
13.15.4. LS-DYNA - EM_MAT
13.15.4.1. *EM_MAT_001
13.15.4.2. *EM_MAT_002
13.15.4.3. *EM_MAT_003
13.15.4.4. *EM_MAT_004
13.15.4.5. *EM_MAT_005
13.15.4.6. *EM_MAT_006
13.15.5. LS-DYNA - EM_EOS
13.15.5.1. *EM_EOS_TABULATED1
13.15.6. Defining User Defined Material Models
14. Customizing LS-DYNA using ACT
14.1. CreateMaterial
14.2. CreateMaterial
14.3. CreateNewElement
14.4. GetNewPartId
14.5. LSDynaSolverExtension.KeyWords.Part.Part CreateNewPart
14.6. CreateSection
14.7. GetComponent
14.8. GetContactId
14.9. GetContactTargetId
14.10. GetCoordinateSystemSolverId
14.11. GetEndTime
14.12. GetMaterialSolverId
14.13. GetNamedSelectionLSDYNAId
14.14. GetNewContact
14.15. GetNewCurveId
14.16. GetNewElementId
14.17. GetNewElementType
14.18. GetNewNodeId
14.19. GetNewVectorId
14.20. GetRemotePointNodeId
14.21. GetSolverUnitSystem
14.22. ContainsDynamicRelaxation
14.23. CurrentStep
14.24. MaxElementId
14.25. MaxElementType
14.26. MaxNodeId
15. References