Document Outline

• Trademarks and Legal Notices
• ABAQUS Offices and Representatives
• Preface
• Contents
• 9. I
  • 9.1 * IMPEDANCE: Define impedances for acoustic analysis.
    • Required, mutually exclusive parameters:
    • Optional parameter:
    • Data line to define an impedance for PROPERTY, NONREFLECTING = PLANAR, or NONREFLECTING = IMPROVED:
    • Data line to define an absorbing boundary impedance for NONREFLECTING = CIRCULAR or NONREFLECTING = SPHERICAL:
    • Data line to define an absorbing boundary impedance for NONREFLECTING = ELLIPTICAL or NONREFLECTING = PROLATE SPHEROIDAL:
  • 9.2 * IMPEDANCE PROPERTY: Define the impedance parameters for an acoustic medium boundary.
    • Required parameter:
    • Optional parameters:
    • Data lines to define an impedance using DATA = ADMITTANCE (default):
    • Data lines to define an impedance using DATA = IMPEDANCE:
  • 9.3 * IMPERFECTION: Introduce geometric imperfections for postbuckling analysis.
    • Optional parameters (mutually exclusive-if neither parameter is specified, ABAQUS assumes that the imperfection data will be entered directl
    • Required parameter if the FILE parameter is used:
    • Optional parameters if the FILE parameter is used:
    • Optional parameter if the FILE parameter is omitted:
    • Data lines to define the imperfection as a linear superposition of mode shapes from the results file:
    • Data line to define the imperfection based on the solution of a static analysis from the results file:
    • Data lines to define the imperfection if the FILE and INPUT parameters are omitted:
  • 9.4 * IMPORT: Import information from a previous ABAQUS/Explicit or ABAQUS/Standard analysis.
    • Required parameter:
    • Optional, mutually exclusive parameters:
    • Optional parameters:
    • Data lines to specify element sets to be imported:
    • There are no data lines for importing a part instance.
  • 9.5 * IMPORT CONTROLS: Specify tolerances used in importing model and results data.
    • Required parameter:
  • 9.6 * IMPORT ELSET: Import element set definitions from a previous ABAQUS/Explicit or ABAQUS/Standard analysis.
    • Data lines to specify element set definitions to be imported:
  • 9.7 * IMPORT NSET: Import node set definitions from a previous ABAQUS/Explicit or ABAQUS/Standard analysis.
    • Data lines to specify node set definitions to be imported:
  • 9.8 * INCIDENT WAVE: Define incident wave loading for a blast or scattering load on a boundary.
    • Required parameter:
    • Required, mutually exclusive parameters:
    • Data lines to define an incident wave:
  • 9.9 * INCIDENT WAVE FLUID PROPERTY: Define the fluid properties associated with an incident wave.
    • Data line to define incident wave fluid properties:
  • 9.10 * INCIDENT WAVE INTERACTION: Define incident wave loading for a blast or scattering load on a surface.
    • Required parameter:
    • Required, mutually exclusive parameters:
    • Data line to define an incident wave:
  • 9.11 * INCIDENT WAVE INTERACTION PROPERTY: Define the geometric data and fluid properties describing an incident wave.
    • Required parameter:
    • Optional parameter:
    • Data line to define an incident wave interaction property:
  • 9.12 * INCIDENT WAVE PROPERTY: Define the geometric data describing an incident wave.
    • Required parameter:
    • Optional parameter:
    • Data lines to define an incident wave property:
  • 9.13 * INCIDENT WAVE REFLECTION: Define the reflection load on a surface caused by incident wave fields.
    • Data lines to define an incident wave reflection:
  • 9.14 * INCLUDE: Reference an external file containing ABAQUS input data.
    • Required parameter:
    • Optional parameter:
  • 9.15 * INCREMENTATION OUTPUT: Define output database requests for time incrementation data.
    • Optional parameter:
    • Data lines to request incrementation output:
  • 9.16 * INELASTIC HEAT FRACTION: Define the fraction of the rate of inelastic dissipation that appears as a heat source.
    • Data line to define the inelastic heat fraction:
  • 9.17 * INERTIA RELIEF: Apply inertia-based load balancing.
    • Optional, mutually exclusive parameters:
    • Optional data lines to specify global (or local, if the ORIENTATION parameter is used) degrees of freedom that define the free directions al
    • There are no data lines when the FIXED or REMOVE parameters are specified.
  • 9.18 * INITIAL CONDITIONS: Specify initial conditions for the model.
    • Required parameters:
    • Optional parameters:
    • Data line for TYPE = ACOUSTIC STATIC PRESSURE:
    • Data lines for TYPE = CONCENTRATION:
    • Data lines for TYPE = CONTACT:
    • Data lines for TYPE = FIELD, VARIABLE = n:
    • No data lines are required for TYPE = FIELD, VARIABLE = n, FILE = file, STEP = step, INC = inc .
    • Data lines for TYPE = FLUID PRESSURE:
    • Data lines to prescribe initial equivalent plastic strain or backstresses using TYPE = HARDENING if the REBAR, SECTION POINTS, and USER para
    • Data lines to prescribe initial volumetric compacting plastic strain for the crushable foam model using TYPE = HARDENING:
    • Data lines for TYPE = HARDENING, REBAR:
    • No data lines are required for TYPE = HARDENING, USER .
    • Data lines for TYPE = HARDENING, SECTION POINTS:
    • Data lines for TYPE = INITIAL GAP:
    • Data lines for TYPE = MASS FLOW RATE:
    • Data lines to prescribe initial plastic strains using TYPE = PLASTIC STRAIN if the REBAR and SECTION POINTS parameters are omitted:
    • Data lines for TYPE = PLASTIC STRAIN, REBAR:
    • Data lines for TYPE = PLASTIC STRAIN, SECTION POINTS:
    • Data lines for TYPE = PORE PRESSURE if the USER parameter is omitted:
    • No data lines are required for TYPE = PORE PRESSURE, USER .
    • Data lines for TYPE = POROSITY:
    • Data lines for TYPE = PRESSURE STRESS:
    • No data lines are required for TYPE = PRESSURE STRESS, FILE = file, STEP = step, INC = inc .
    • Data lines for TYPE = RATIO if the USER parameter is omitted:
    • No data lines are required for TYPE = RATIO, USER .
    • Data lines for TYPE = REF COORDINATE:
    • Data lines for TYPE = RELATIVE DENSITY:
    • Data lines for TYPE = ROTATING VELOCITY:
    • Data lines for TYPE = SATURATION:
    • Data lines for TYPE = SOLUTION if the USER and REBAR parameters are omitted:
    • Data lines for TYPE = SOLUTION, REBAR:
    • No data lines are required for TYPE = SOLUTION, USER .
    • Data lines for TYPE = SPECIFIC ENERGY:
    • Data lines for TYPE = SPUD EMBEDMENT:
    • Data lines for TYPE = SPUD PRELOAD:
    • Data lines for TYPE = STRESS if the GEOSTATIC, REBAR, SECTION POINTS, and USER parameters are omitted:
    • Data lines for TYPE = STRESS, GEOSTATIC:
    • Data lines for TYPE = STRESS, REBAR:
    • Data lines for TYPE = STRESS, SECTION POINTS:
    • No data lines are required for TYPE = STRESS, USER .
    • Data lines for TYPE = TEMPERATURE:
    • No data lines are required for TYPE = TEMPERATURE, FILE = file, STEP = step, INC = inc .
    • No data lines are required for TYPE = TEMPERATURE, MIDSIDE, FILE = file, STEP = step, INC = inc .
    • No data lines are required for TYPE = TEMPERATURE, INTERPOLATE, FILE = file, STEP = step, INC = inc .
    • Data lines for TYPE = VELOCITY:
  • 9.19 * INSTANCE: Begin an instance definition.
    • Required parameters if the instance is not imported from a previous analysis:
    • Required parameter if the instance is to be imported from a previous analysis:
    • Optional import parameter:
    • Data line to translate an instance that is not imported from a previous analysis:
    • Data lines to translate and/or rotate an instance that is not imported from a previous analysis:
    • There are no data lines for an instance that is imported from a previous analysis.
  • 9.20 * INTEGRATED OUTPUT: Specify variables integrated over a surface to be written to the output database.
    • Required, mutually exclusive parameters:
    • Optional parameter:
    • Data lines to request integrated output:
  • 9.21 * INTEGRATED OUTPUT SECTION: Define an integrated output section over a surface with a local coordinate system and a reference point.
    • Required parameters:
    • Optional parameters:
  • 9.22 * INTERACTION OUTPUT: Specify spot weld interaction variables to be written to the output database.
    • Required, mutually exclusive parameters:
    • Data lines to request spot weld interaction output to the output database:
  • 9.23 * INTERACTION PRINT: Define print requests for spot weld interaction variables.
    • Optional, mutually exclusive parameters:
    • Optional parameters:
    • Data lines to request spot weld interaction variable output to the data file:
  • 9.24 * INTERFACE: Define properties for contact elements.
    • Required parameter:
    • Optional parameter:
    • Data line for ITT -type elements:
    • Data lines for ISL21A and ISL22A elements:
    • Data lines for IRS -type elements for use with axisymmetric elements:
    • Data line for ASI1 elements:
    • Data line for ASI -type elements for use with 2-D elements:
    • Data lines for ASI -type elements for use with axisymmetric elements or 3-D elements:
  • 9.25 * ITS: Define properties for ITS elements.
    • Required parameter:
    • Data line for ITSUNI elements:
    • Data line for ITSCYL elements:
• 10. J
  • 10.1 * JOINT: Define properties for JOINTC elements.
    • Required parameter:
    • Optional parameter:
    • There are no data lines associated with this option; instead, include * SPRING and * DASHPOT options as needed to define the joint behavior.
  • 10.2 * JOINT ELASTICITY: Specify elastic properties for elastic-plastic joint elements.
    • Required parameters:
    • Optional parameter:
    • Data lines for MODULI = SPUD CAN and NDIM =2:
    • Data lines for MODULI = SPUD CAN and NDIM =3:
    • Data lines for MODULI = GENERAL and NDIM =2:
    • Data lines for MODULI = GENERAL and NDIM =3:
  • 10.3 * JOINT PLASTICITY: Specify plastic properties for elastic-plastic joint elements.
    • Required parameter:
    • Optional parameter:
    • Data lines for TYPE = SAND:
    • Data lines for TYPE = CLAY:
    • Data lines for TYPE = MEMBER:
  • 10.4 * JOINTED MATERIAL: Specify the jointed material model.
    • Optional parameters:
    • Data lines defining failure surface and flow parameters ( SHEAR RETENTION omitted):
    • Data lines defining the shear retention in open joints ( SHEAR RETENTION included):
  • 10.5 * JOULE HEAT FRACTION: Define the fraction of electric energy released as heat.
    • Data line to define the joule heat fraction:
• 11. K
  • 11.1 * KAPPA: Specify the material parameters and for mass diffusion driven by gradients of temperature and equivalent pressure stress, resp
    • Optional parameters:
    • Data lines to define the Soret effect factor, κ s ( TYPE = TEMP ):
    • Data lines to define the pressure stress factor, κ p ( TYPE = PRESS ):
  • 11.2 * KINEMATIC: Define a kinematic coupling constraint.
    • Data lines to specify the degrees of freedom to be constrained:
  • 11.3 * KINEMATIC COUPLING: Constrain all or specific degrees of freedom of a set of nodes to the rigid body motion of a reference node.
    • Required parameter:
    • Optional parameter:
    • Data lines to specify the nodes and degrees of freedom to be constrained:
• 12. L
  • 12.1 * LATENT HEAT: Specify latent heats.
    • Data lines to define a material's latent heat:
  • 12.2 * LOAD CASE: Begin a load case definition for multiple load case analysis.
    • Required parameter:
• 13. M
  • 13.1 * MAP SOLUTION: Map a solution from an old mesh to a new mesh.
    • Optional parameters:
    • Data line to translate an old-model mesh:
    • Data lines to translate and/or rotate an old-model mesh:
  • 13.2 * MASS: Specify a point mass.
    • Required parameter:
    • Optional parameters:
    • Data line to define the mass magnitude:
  • 13.3 * MASS DIFFUSION: Transient or steady-state uncoupled mass diffusion analysis.
    • Optional parameters:
    • Data line to define time stepping in a mass diffusion analysis:
  • 13.4 * MASS FLOW RATE: Specify fluid mass flow rate in a heat transfer analysis.
    • Optional parameters:
    • Data lines to define mass flow rates:
    • Data lines to define mass flow rates using user subroutine UMASFL:
  • 13.5 * MATERIAL: Begin the definition of a material.
    • Required parameter:
    • Optional parameters:
  • 13.6 * MATRIX: Read in the stiffness or mass matrix for a linear user element.
    • Required parameter:
    • Optional parameter:
    • Data lines to define the matrix:
  • 13.7 * MATRIX ASSEMBLE: Define stiffness or mass matrices for a part of the model.
    • At least one of the following parameters is required:
  • 13.8 * MATRIX INPUT: Read in a matrix for a part of the model.
    • Required parameter:
    • Optional parameters:
    • Data lines to define the matrix in sparse format (only nonzero terms):
  • 13.9 * MEMBRANE SECTION: Specify section properties for membrane elements.
    • Required parameters:
    • Optional parameters:
    • Data line for a constant thickness membrane:
    • To define a continuously varying thickness membrane:
  • 13.10 * MODAL DAMPING: Specify damping for modal dynamic analysis.
    • Optional, mutually exclusive parameters:
    • Optional parameter:
    • Data lines to define a fraction of critical damping by specifying mode numbers ( MODAL = DIRECT and DEFINITION = MODE NUMBERS ):
    • Data lines to define Rayleigh damping by specifying mode numbers ( RAYLEIGH and DEFINITION = MODE NUMBERS ):
    • Data lines to define composite modal damping ( MODAL = COMPOSITE ):
    • Data lines to define structural damping by specifying mode numbers ( STRUCTURAL and DEFINITION = MODE NUMBERS ):
    • Data lines to define a fraction of critical damping by specifying frequency ranges ( MODAL = DIRECT and DEFINITION = FREQUENCY RANGE ):
    • Data lines to define Rayleigh damping by specifying frequency ranges ( RAYLEIGH and DEFINITION = FREQUENCY RANGE ):
    • Data lines to define structural damping by specifying frequency ranges ( STRUCTURAL and DEFINITION = FREQUENCY RANGE ):
  • 13.11 * MODAL DYNAMIC: Dynamic time history analysis using modal superposition.
    • Optional parameter:
    • Data line for a transient modal dynamic analysis:
  • 13.12 * MODAL FILE: Write generalized coordinate (modal amplitude) data or eigendata to the results file during a mode-based dynamic or eige
    • Optional parameter:
    • Data lines to request modal output in the results file during mode-based dynamic procedures:
    • To write eigendata during an eigenvalue extraction procedure:
  • 13.13 * MODAL OUTPUT: Write generalized coordinate (modal amplitude) data to the output database during a mode-based dynamic or complex eige
    • Optional parameter:
    • Data lines to request modal output:
  • 13.14 * MODAL PRINT: Print generalized coordinate (modal amplitude) data during a mode-based dynamic procedure.
    • Optional parameter:
    • Data lines to request modal output in the data file:
  • 13.15 * MODEL CHANGE: Remove or reactivate elements and contact pairs.
    • Required, mutually exclusive parameters:
    • Optional parameter:
    • Data lines to remove/reactivate elements ( TYPE = ELEMENT ):
    • Data lines to remove/reactivate contact pairs ( TYPE = CONTACT PAIR ):
    • No data lines are used with this option when the ACTIVATE parameter is included.
  • 13.16 * MOHR COULOMB: Specify the Mohr-Coulomb plasticity model.
    • Optional parameters:
    • Data lines to define a Mohr-Coulomb plasticity model:
  • 13.17 * MOHR COULOMB HARDENING: Specify hardening for the Mohr-Coulomb plasticity model.
    • Optional parameter:
    • Data lines to define Mohr-Coulomb hardening:
  • 13.18 * MOISTURE SWELLING: Define moisture-driven swelling.
    • Data lines to define moisture-driven swelling:
  • 13.19 * MOLECULAR WEIGHT: Define the molecular weight of an ideal gas species.
    • Data line to define the molecular weight:
  • 13.20 * MONITOR: Define a degree of freedom to monitor.
    • Required parameters:
    • Optional parameter:
  • 13.21 * MOTION: Specify motions as a predefined field.
    • Required, mutually exclusive parameters:
    • Optional parameters:
    • Data lines to define translational motion ( TRANSLATION ):
    • Data lines to define rotational motion ( ROTATION ):
    • Data lines to define motion in user subroutine UMOTION ( USER ):
  • 13.22 * MPC: Define multi-point constraints.
    • Optional parameters:
    • Data lines to define multi-point constraints:
  • 13.23 * MULLINS EFFECT: Specify Mullins effect material parameters for elastomers.
    • Optional, mutually exclusive parameters:
    • Optional parameters:
    • To define the material behavior by giving test data:
    • Data lines to define the material constants if both the TEST DATA INPUT and USER parameters are omitted:
    • Data lines to define the material properties if the USER parameter is specified:
  • 13.24 * M1: Define the first bending moment behavior of beams.
    • Optional parameters (if neither ELASTIC nor LINEAR is included, elastic-plastic response is assumed):
    • Data lines if the LINEAR parameter is included:
    • Data lines if the LINEAR parameter is omitted:
  • 13.25 * M2: Define the second bending moment behavior of beams.
    • Optional parameters (if neither ELASTIC nor LINEAR is included, elastic-plastic response is assumed):
    • Data lines if the LINEAR parameter is included:
    • Data lines if the LINEAR parameter is omitted:
• 14. N
  • 14.1 * NCOPY: Create nodes by copying.
    • Required parameters:
    • Required, mutually exclusive parameters:
    • Optional parameters:
    • Data lines if the SHIFT parameter is included:
    • Data line if REFLECT = LINE:
    • Data lines if REFLECT = MIRROR:
    • Data line if REFLECT = POINT:
    • Data line if the POLE parameter is included:
  • 14.2 * NFILL: Fill in nodes in a region.
    • Optional parameters:
    • Data lines to fill in nodes between two bounds:
  • 14.3 * NGEN: Generate incremental nodes.
    • Optional parameters:
    • Data lines to generate nodes incrementally:
  • 14.4 * NMAP: Map nodes from one coordinate system to another.
    • Required parameters:
    • Data lines for TYPE = RECTANGULAR, CYLINDRICAL, DIAMOND, SPHERICAL, or TOROIDAL:
    • Data lines for TYPE = BLENDED:
  • 14.5 * NO COMPRESSION: Introduce a compressive failure theory (tension only materials).
  • 14.6 * NO TENSION: Introduce a tension failure theory (compression only material).
  • 14.7 * NODAL THICKNESS: Define shell or membrane thickness at nodes.
    • Optional parameters:
    • Data lines when the GENERATE parameter is omitted:
    • Data lines when the GENERATE parameter is included:
  • 14.8 * NODE: Specify nodal coordinates.
    • Optional parameters:
    • Data lines to define the node:
  • 14.9 * NODE FILE: Define results file requests for nodal data.
    • Optional parameters:
    • Data lines to request nodal output in the results or selected results file:
  • 14.10 * NODE OUTPUT: Define output database requests for nodal data.
    • One of the following mutually exclusive parameters is required when the * NODE OUTPUT option is used in conjunction with the * OUTPUT, HISTO
    • Optional parameters when the * NODE OUTPUT option is used in conjunction with the * OUTPUT, FIELD option:
    • Optional parameter:
    • Data lines to request nodal output:
  • 14.11 * NODE PRINT: Define print requests for nodal variables.
    • Optional parameters:
    • Data lines to request nodal output in the data file:
  • 14.12 * NODE RESPONSE: Define nodal responses for design sensitivity analysis.
    • Optional parameter:
    • Data lines to request nodal sensitivity output:
  • 14.13 * NONSTRUCTURAL MASS: Specify mass contribution to the model from nonstructural features.
    • Required parameters:
    • Optional parameter:
    • Data line for UNITS = TOTAL MASS:
    • Data line for UNITS = MASS PER VOLUME:
    • Data line for UNITS = MASS PER AREA:
    • Data line for UNITS = MASS PER LENGTH:
  • 14.14 * NORMAL: Specify a particular normal direction.
    • Optional parameter:
    • Data lines to define normals for elements ( TYPE = ELEMENT ):
    • Data lines to define normals for contact surfaces ( TYPE = CONTACT SURFACE ):
  • 14.15 * NSET: Assign nodes to a node set.
    • Required parameter:
    • Optional parameters:
    • Data lines if the GENERATE parameter is omitted:
    • Data lines if the GENERATE parameter is included:
    • There are no data lines when the ELSET parameter is specified.
• 15. O
  • 15.1 * ORIENTATION: Define a local axis system for material or element property definition, for kinematic coupling constraints, for free dir
    • Required parameter:
    • Optional parameters:
    • Data lines to define an orientation using DEFINITION = COORDINATES:
    • Data lines to define an orientation using DEFINITION = NODES:
    • Data lines to define an orientation using DEFINITION = OFFSET TO NODES:
    • To define an orientation using a user subroutine ( SYSTEM = USER ):
  • 15.2 * ORNL: Specify constitutive model developed by Oak Ridge National Laboratory.
    • Optional parameters:
  • 15.3 * OUTPUT: Define output requests to the output database.
    • Using * OUTPUT in an ABAQUS/Standard analysis
      • One of the following mutually exclusive parameters is required:
      • Optional parameters:
      • The following parameters are optional and valid only if the FIELD or HISTORY parameter is included:
      • Data lines to list desired eigenmodes if the MODE LIST parameter is included:
    • Using * OUTPUT in an ABAQUS/Explicit analysis
      • One of the following mutually exclusive parameters is required:
      • The following parameters are optional and valid only if the FIELD parameter is included:
      • The following parameters are optional and valid only if the HISTORY parameter is included:
      • The following parameters are optional and valid only if the FIELD or HISTORY parameter is included:
• 16. P, Q
  • 16.1 * PARAMETER: Define parameters for input parametrization.
    • Optional keyword parameters to define tabularly dependent parameters (if any are specified, they must all be specified):
    • Data lines to define independent or expressionally dependent parameters if the DEPENDENT, INDEPENDENT, and TABLE keyword parameters are omit
  • 16.2 * PARAMETER DEPENDENCE: Define dependence table for tabularly dependent parameters.
    • Required parameters:
    • Data lines to define the parameter dependence table:
  • 16.3 * PARAMETER SHAPE VARIATION: Define parametric shape variations.
    • Required parameter:
    • Optional parameters (mutually exclusive-if neither parameter is specified, ABAQUS assumes that the shape variation data will be entered dire
    • Required parameter if the FILE parameter is used:
    • Optional parameters if the FILE parameter is used:
    • Optional parameter if the FILE parameter is omitted:
    • Data lines to define the shape variation if the FILE and INPUT parameters are omitted:
  • 16.4 * PART: Begin a part definition.
    • Required parameter:
  • 16.5 * PERIODIC: Define periodic symmetry for a cavity radiation heat transfer analysis.
    • Required parameter:
    • Optional parameter:
    • Data line to define periodic symmetry of a two-dimensional cavity ( TYPE = 2D ):
    • Data lines to define periodic symmetry of a three-dimensional cavity ( TYPE = 3D ):
    • Data line to define periodic symmetry of an axisymmetric cavity ( TYPE = ZDIR ):
  • 16.6 * PERMEABILITY: Define permeability for pore fluid flow.
    • Optional parameters:
    • Required parameter when fully saturated material properties are defined:
    • Data lines to define fully saturated isotropic permeability ( TYPE = ISOTROPIC ):
    • Data lines to define fully saturated orthotropic permeability ( TYPE = ORTHOTROPIC ):
    • Data lines to define fully saturated anisotropic permeability ( TYPE = ANISOTROPIC ):
    • Data lines to define the dependence of permeability on saturation of the wetting liquid, k s (s) ( TYPE = SATURATION ):
    • Data lines to define the velocity coefficient, β (e) ( TYPE = VELOCITY ):
  • 16.7 * PHYSICAL CONSTANTS: Specify physical constants.
    • Optional parameters:
  • 16.8 * PIEZOELECTRIC: Specify piezoelectric material properties.
    • Optional parameters:
    • Data lines to define the piezoelectric stress coefficient matrix ( TYPE = S ):
    • Data lines to define the piezoelectric strain coefficient matrix ( TYPE = E; for the shear components these coefficients relate the engineer
  • 16.9 * PIPE-SOIL INTERACTION: Specify element properties for pipe-soil interaction elements.
    • Required parameter:
    • Optional parameter:
  • 16.10 * PIPE-SOIL STIFFNESS: Define constitutive behavior for pipe-soil interaction elements.
    • Optional parameters:
    • The following optional parameters can be used only in combination with TYPE = USER:
    • Data lines to define linear constitutive behavior ( TYPE = LINEAR ):
    • Data lines to define nonlinear constitutive behavior ( TYPE = NONLINEAR ):
    • Data lines to define constitutive behavior using the ASCE formula for sand in the axial direction ( TYPE = SAND, DIRECTION = AXIAL ):
    • Data lines to define constitutive behavior using the ASCE formula for clay in the axial direction ( TYPE = CLAY, DIRECTION = AXIAL ):
    • Data lines to define constitutive behavior using the ASCE formula for sand in the vertical direction ( TYPE = SAND, DIRECTION = VERTICAL ):
    • Data lines to define constitutive behavior using the ASCE formula for clay in the vertical direction ( TYPE = CLAY, DIRECTION = VERTICAL ):
    • Data lines to define constitutive behavior using the ASCE formula for sand in the horizontal direction ( TYPE = SAND, DIRECTION = HORIZONTAL
    • Data lines to define constitutive behavior using the ASCE formula for clay in the horizontal direction ( TYPE = CLAY, DIRECTION = HORIZONTAL
    • Data lines if the constitutive behavior is defined in user subroutine UMAT ( TYPE = USER ):
  • 16.11 * PLANAR TEST DATA: Used to provide planar test (or pure shear) data (compression and/or tension).
    • Using planar test data to define a hyperelastic material
      • Optional parameter:
      • Optional parameter when the * PLANAR TEST DATA option is used in conjunction with the * HYPERELASTIC, MARLOW option:
      • Data lines to specify planar test data for hyperelasticity other than the Marlow model:
      • Data lines to specify planar test data for the Marlow model:
    • Using planar test data to define an elastomeric foam
      • Data lines to specify planar test data for a hyperfoam:
    • Using planar test data to define the Mullins effect material model
      • Data lines to specify planar test data for defining the unloading-reloading response of the Mullins effect material model:
  • 16.12 * PLASTIC: Specify a metal plasticity model.
    • Optional parameter:
    • Optional parameter for use with HARDENING = ISOTROPIC or HARDENING = COMBINED:
    • Optional parameter for use with HARDENING = ISOTROPIC:
    • Optional parameter for use with HARDENING = COMBINED:
    • Optional parameter for use with HARDENING = USER:
    • Data lines for HARDENING = ISOTROPIC or HARDENING = COMBINED with DATA TYPE = HALF CYCLE:
    • Data lines for HARDENING = COMBINED with DATA TYPE = STABILIZED:
    • Data lines for HARDENING = COMBINED with DATA TYPE = PARAMETERS:
    • Data lines for HARDENING = KINEMATIC:
    • Data line for HARDENING = JOHNSON COOK: