Radioss
Radioss

2022

  1. Home
  2. Reference Guide

    This manual provides a detailed list of all the input keywords and options available in Radioss.

  3. Engine Input

    This manual provides a list of all the solution definition keywords and options available in Radioss.

  4. Initial State

    Engine Keyword In this group, keywords are used to output different info (like stress, strain, orthotropy direction, temperature, etc.) in state file (STA-File).

  5. /STATE/SHELL

    In this group, keywords are used to output different info (like stress, strain, orthotropy direction, temperature…) for shell element in state file (STA-File).

  6. /STATE/SHELL/ORTHL

    Engine Keyword Describes the orthotropy direction for shell.

  • What's New
  • Overview
  • Tutorials
  • User Guide
  • Reference Guide
  • Example Guide
  • Verification Problems
  • Frequently Asked Questions
  • Theory Manual
  • User Subroutines
  • Starter Input
  • Engine Input
Index
Radioss

2022

Radioss
  • What's New

    View new features for Radioss 2022.

  • Overview

    Radioss® is a leading explicit finite element solver for crash and impact simulation.

  • Tutorials

    Discover Radioss functionality with interactive tutorials.

  • User Guide

    This manual provides details on the features, functionality, and simulation methods available in Altair Radioss.

  • Reference Guide

    This manual provides a detailed list of all the input keywords and options available in Radioss.

    • File Extensions and Formats

      Radioss format 2022 uses the 12x extension format.

    • Single File Input

      This format allows running either Starter or Engine with the same file.

    • New Keywords in 2022

      New and modified features in Radioss.

    • Starter Input

      This manual provides a list of all the model definition keywords and options available in Radioss.

    • Engine Input

      This manual provides a list of all the solution definition keywords and options available in Radioss.

      • Engine Keywords Syntax
      • General Controls

        Engine Keyword In this group of keywords are used to generally define the output style, control of computation, damping and ALE setup during the computation.

      • Deletion/Input Modifications

        Engine Keyword In this group, keywords are used for modification (deletion or add options) in Engine.

      • Animation and Post-processing Output Files

        Generates animation files containing results according to the keywords specified. The keywords are specified in the topics within Animation and Post-processing Output Files.

      • Implicit Solution

        Engine Keyword In this group keywords are used for implicit solution. Different implicit solver methods (linear, nonlinear, buckling or quasi-static), different options to control the implicit computation, different implicit time step method and implicit output messages are introduced.

      • Kinematics and Loading

        Engine Keyword In this group, keywords are used to define the kinematic condition (constrain/release rotation or translation DOF) and initial condition (rotational/translational velocity).

      • Time Step

        Engine Keyword In this group, keywords are used to define different time step control (STOP, KILL, CST or DEL, etc.) for different entities (shell, brick, beam, airbag, interface, etc.) during the computation.

      • Initial State

        Engine Keyword In this group, keywords are used to output different info (like stress, strain, orthotropy direction, temperature, etc.) in state file (STA-File).

        • /DYNAIN/DT

          Engine Keyword Define time output frequency and parts to be written to the state file.

        • /DYNAIN/SHELL/STRAIN/FULL

          Engine Keyword Describes the strain state for shell in LS-DYNA format.

        • /DYNAIN/SHELL/STRESS/FULL

          Engine Keyword Describes the stress state for shell in LS-DYNA format.

        • /STATE/BEAM/AUX

          Engine Keyword Describes the internal variable state for beam.

        • /STATE/BEAM/FULL

          Engine Keyword Describes the internal variable state for beam.

        • /STATE/BRICK

          In this group, keywords are used to output different info (like stress, strain, orthotropy direction, temperature…) for solid element in state file (STA-File).

        • /STATE/DT

          Engine Keyword Define time output frequency and parts to be written to the state file.

        • /STATE/INIMAP1D/Keyword3

          Engine Keyword A state file is written with mapping data as functions (/FUNCT) or generated into a binary file.

        • /STATE/INIMAP2D/Keyword3

          Engine Keyword A state file is written with mapping data as functions (/FUNCT) or generated into a binary file.

        • /STATE/NO_DEL

          Engine Keyword Writes the state file for only non-deleted elements.

        • /STATE/NODE/BCS

          Engine Keyword Boundary conditions for Node. The boundary conditions applied to nodes be written to the state file.

        • /STATE/NODE/TEMP

          Engine Keyword Describes the temperature for nodes.

        • /STATE/NODE/VEL

          Engine Keyword The velocity of a node is written to the state file.

        • /STATE/SHELL

          In this group, keywords are used to output different info (like stress, strain, orthotropy direction, temperature…) for shell element in state file (STA-File).

          • /STATE/SHELL/AUX/FULL

            Engine Keyword Describes the internal variable state for shell.

          • /STATE/SHELL/EPSP/FULL

            Engine Keyword Describes the Epsilon plastic state for shell.

          • /STATE/SHELL/FAIL

            Engine Keyword Describes the failure criteria state for shell.

          • /STATE/SHELL/ORTHL

            Engine Keyword Describes the orthotropy direction for shell.

          • /STATE/SHELL/STRAIN/FULL

            Engine Keyword Describes the strain state for shell.

          • /STATE/SHELL/STRAIN/GLOBFULL

            Engine Keyword Describes the strain state for shell.

          • /STATE/SHELL/STRESS/FULL

            Engine Keyword Describes the stress state for shell.

          • /STATE/SHELL/STRESS/GLOBFULL

            Engine Keyword Describes the stress state for shell.

        • /STATE/SPRING/FULL

          Engine Keyword Describes the internal variable state for spring elements.

        • /STATE/STR_FILE

          Engine Keyword When writing the state file, /INISHE, /INISH3 and /INIBRI will be written in a separate file which can be asked for being compressed (using GZIP) or not. The state file will then resume to the nodes coordinates and element connectivity.

        • /STATE/TRUSS/FULL

          Engine Keyword Describes the internal variable state for truss.

      • Obsolete

        Engine Keyword Keywords that are still supported, but no longer maintained (*) are considered obsolete.

    • LS-DYNA Input

      This manual contains an alphabetical list of LS-DYNA input files available in Radioss.

    • Optimization Keywords

      Optimization Keyword This manual contains the description of the keywords for the Radioss optimization. This manual is compatible with the version 2018 of Radioss.

    • Multi-Domain

      This manual contains the description of the Keywords for the Radioss Multi-Domain.

    • Other Files
    • Definitions
  • Example Guide

    This manual presents examples solved using Radioss with regard to common problem types.

  • Verification Problems

    This manual presents solved verification models.

  • Frequently Asked Questions

    This section provides quick responses to typical and frequently asked questions regarding Radioss.

  • Theory Manual

    This manual provides detailed information about the theory used in the Altair Radioss Solver.

  • User Subroutines

    This manual describes the interface between Altair Radioss and user subroutines.

  • Starter Input

    This manual provides a list of all the model definition keywords and options available in Radioss.

  • Engine Input

    This manual provides a list of all the solution definition keywords and options available in Radioss.

View All Altair Simulation Help

Radioss
Radioss

2022

  1. Home
  2. Reference Guide

    This manual provides a detailed list of all the input keywords and options available in Radioss.

  3. Engine Input

    This manual provides a list of all the solution definition keywords and options available in Radioss.

  4. Initial State

    Engine Keyword In this group, keywords are used to output different info (like stress, strain, orthotropy direction, temperature, etc.) in state file (STA-File).

  5. /STATE/SHELL

    In this group, keywords are used to output different info (like stress, strain, orthotropy direction, temperature…) for shell element in state file (STA-File).

  6. /STATE/SHELL/ORTHL

    Engine Keyword Describes the orthotropy direction for shell.

  • What's New
  • Overview
  • Tutorials
  • User Guide
  • Reference Guide
  • Example Guide
  • Verification Problems
  • Frequently Asked Questions
  • Theory Manual
  • User Subroutines
  • Starter Input
  • Engine Input
Index

/STATE/SHELL/ORTHL

Engine Keyword Describes the orthotropy direction for shell.

Format

/STATE/SHELL/ORTHL

Comments

  1. A block /INISHE/ORTH_LOC or /INISH3/ORTH_LOC or /INISHE/ORTH_LOC or /INISH3/ORTH_LOC is written into each state file, for each part declared into /STATE/DT.

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