Changes in Abaqus options

First available in the Abaqus 2022 FD03 (FP.2223) release.

You can use the new DEFINITION parameter to identify the form of the strain energy functions for anisotropic hyperelastic materials and the new LINEARIZATION STRETCH parameter to determine when the HOLZAPFEL-OGDEN strain energy function will be linearized.

First available in the Abaqus 2022 FD01 (FP.2205) release.

You can use the optional REF LENGTH parameter to specify the specimen length in the material definition to properly account for the length units when converting the cracking displacement values to “plastic” displacement values.

First available in the Abaqus 2022 FD02 (FP.2214) release.

Use the new MODE MIX DEPENDENT parameter to define connector hardening behavior as a tabular function of mode mix.

First available in the Abaqus 2022 FD01 (FP.2205) release.

The CONSTITUENT option is now available for use in Abaqus/Explicit as well as in Abaqus/Standard.

First available in the Abaqus 2022 FD01 (FP.2205) release.

Use the new BEAM CROSS SECTION parameter to activate contact calculations based on either a circumferential approximation of the cross-sectional shape of the beam element or the actual cross-sectional shape of the beam element.

First available in the 2022 FD04 (FP.2232) release.

Specify contact mass scaling during the step.

First available in the Abaqus 2022 FD01 (FP.2205) release.

You can now use second-order tetrahedral elements for fracture mechanics studies based on the conventional finite element method. Set the new RING RADIUS parameter equal to a small radius from the crack tip within which rings of elements are used for fracture mechanics studies.

The contour integral is now supported as field output for fracture mechanics studies based on the conventional finite element method.

First available in the Abaqus 2022 FD02 (FP.2214) release.

You can use the new ADVECTION parameter to optionally include advection contributions resulting from the velocity field of the electrolyte in a coupled thermal-electrochemical-structural–pore pressure analysis.

Use the new PORE PRESSURE parameter to model pore pressure–mediated fluid (electrolyte) flow in a porous medium along with thermal, electrochemical, and structural physics in regions of the model that use thermal-electrochemical-structural–pore pressure elements.

Use the POREPTOL parameter in a coupled thermal-electrochemical-structural–pore pressure analysis to restrict the time step to ensure that this value is not exceeded at any node during any increment of the step.

First available in the 2022 FD04 (FP.2232) release.

Define the specific heat of the reaction for cure modeling capabilities.

First available in the 2022 FD04 (FP.2232) release.

Define the reaction kinetics for cure modeling capabilities.

First available in the 2022 FD04 (FP.2232) release.

Define the maximum value of the degree of conversion for cure modeling capabilities.

First available in the 2022 FD04 (FP.2232) release.

Define the cure shrinkage coefficients for cure modeling capabilities.

First available in the Abaqus 2022 FD01 (FP.2205) release.

Use the new LARGE IMPLICIT SYSTEM parameter to issue an error message or a warning message when a large implicit constraint system is detected that will cause severe performance degradation.

First available in the Abaqus 2022 FD04 (FP.2232) release.

Use the optional parameter FREQ to set the frequency at which to import history-dependent field values from a frequency-based analysis.

Use the optional parameter MODE to set the mode number at which to import history-dependent field values from a frequency-based analysis.

Use the optional parameter READER to specify the name of the reader executable and non-SIM database.

First available in the Abaqus 2022 FD01 (FP.2205) release.

The FIBER DISPERSION option is now available for use in Abaqus/Explicit as well as in Abaqus/Standard.

First available in the Abaqus 2022 FD01 (FP.2205) release.

Use the new parameter setting SECTION SPECIFICATION=UNIFORM to specify uniform prescribed field variable values on nodes, node sets, or the entire model.

First available in the Abaqus 2022 FD03 (FP.2223) release.

You can now import an external field to define a load, boundary condition, or predefined field in Abaqus/Explicit analyses.

First available in the Abaqus 2022 FD03 (FP.2223) release.

Use the new SEARCH TOLERANCE parameter to specify the search tolerances as relative values to characteristic region dimensions or as absolute search tolerances.

Use the new UNMAPPED MEMBERS TREATMENT parameter to define how to treat unmapped members (nodes or elements where the search algorithm fails to find intersections).

First available in the Abaqus 2022 FD02 (FP.2214) release.

FIELD MAPPER CONTROLS is now available when importing step-dependent data in Abaqus/Standard analyses and supports additional parameters.

Use the new MAPPER ALGORITHM parameter to select select the integration algorithm when intensive fields are integrated to extensive fields.

First available in the Abaqus 2022 FD03 (FP.2223) release.

Define the method to solve for the convective heat transfer solution in thermal fluid pipe connector elements.

First available in the Abaqus 2022 FD03 (FP.2223) release.

Specify wall geometry for thermal fluid pipe connector elements.

First available in the Abaqus 2022 FD03 (FP.2223) release.

Define the method to solve for the convective heat transfer solution in thermal fluid pipe elements.

First available in the Abaqus 2022 FD03 (FP.2223) release.

Specify wall geometry for thermal fluid pipe elements.

First available in the Abaqus 2022 FD01 (FP.2205) release.

Use the new K-BASED parameter to specify a fatigue crack growth criterion based on a stress intensity factor rather than the fracture energy release rate.

The MIXED MODE BEHAVIOR parameter can now take a value of IRWIN to specify the effective stress intensity factor as a function of the mode mix using the Irwin mixed-mode fracture criterion in a fatigue crack growth analysis.

First available in the Abaqus 2022 FD02 (FP.2214) release.

Specify ion diffusion contact property.

First available in the Abaqus 2022 FD02 (FP.2214) release.

Use the new TYPE parameter to define the electrical conductivity in the solid material or the electrolyte material.

First available in the Abaqus 2022 FD04 (FP.2232) release.

Use the new parameter setting TYPE=CURE to give initial degree of cure in Abaqus/Standard.

The parameter setting TYPE=POROSITY can now be used to give initial porosity values for modified Drucker-Prager/Cap plasticity materials, which indirectly initializes the relative density.

First available in the Abaqus 2022 FD01 (FP.2205) release.

Use the new parameter setting SECTION SPECIFICATION=UNIFORM to specify uniform initial temperatures and field variable values on nodes, node sets, or the entire model.

First available in the Abaqus 2022 FD02 (FP.2214) release.

Introduce an interface reaction between surfaces.

First available in the Abaqus 2022 FD04 (FP.2232) release.

Use the new STRAIN RATE INTERPOLATION parameter to interpolate strain rate–dependent material data. Using the new parameter is recommended above use of the existing STRAIN RATE REGULARIZATION parameter.

First available in the Abaqus 2022 FD01 (FP.2205) release.

The MEAN FIELD DAMAGE option is now available for use in Abaqus/Explicit as well as in Abaqus/Standard.

First available in the Abaqus 2022 FD03 (FP.2223) release.

You can now use FORMULATION=CHAMIS to use the Chamis model as the homogenization method or FORMULATION=CCA to use the composite cylinder assemblage model as the homogenization method.

First available in the Abaqus 2022 FD02 (FP.2214) release.

For better performance during homogenization of composites enhanced with short fibers in Abaqus/Standard, set the new ORIENTATION AVERAGING parameter to DIRECT to compute homogenized terms directly rather than numerically using orientation distribution functions (ODFs).

First available in the Abaqus 2022 FD01 (FP.2205) release.

The MEAN FIELD HOMOGENIZATION option is now available for use in Abaqus/Explicit as well as in Abaqus/Standard.

First available in the Abaqus 2022 FD02 (FP.2214) release.

Specify a Butler-Volmer surface load to model solid electrodes.

First available in the Abaqus 2022 FD01 (FP.2205) release.

The NO COMPRESSION option is now available for use in Abaqus/Explicit as well as in Abaqus/Standard.

In Abaqus/Explicit, you can use the new CUT OFF STRESS parameter to define a cutoff for principal stress values to remove the influences of low-level oscillating stresses.

First available in the Abaqus 2022 FD01 (FP.2205) release.

The NO TENSION option is now available for use in Abaqus/Explicit as well as in Abaqus/Standard.

In Abaqus/Explicit, you can use the new CUT OFF STRESS parameter to define a cutoff for principal stress values to remove the influences of low-level oscillating stresses.

First available in the Abaqus 2022 FD01 (FP.2205) release.

The ORIENTATION option is now available for use in Abaqus/Explicit as well as in Abaqus/Standard.

In Abaqus/Explicit, you can use the new DISPERSION parameter for multiscale materials with dispersed fiber directions or linear elastic materials with fiber dispersion specified to specify the second-order tensor for the fiber dispersion.

First available in the Abaqus 2022 FD01 (FP.2205) release.

Specify the plastic response used to compute Neuber and Glinka plasticity corrections.

First available in the 2022 FD04 (FP.2232) release.

Use the new SPH CONVERSION parameter to control the SPH element conversion method.

First available in the Abaqus 2022 FD02 (FP.2214) release.

Use the new RESIDUAL MODES parameter to define residual modes for the subsequent substructure generation analyses.

First available in the Abaqus 2022 FD02 (FP.2214) release.

Use the new RESIDUAL MODES parameter to add the following to the substructure basis:

• The load modes corresponding to the substructure load cases specified in the substructure generation analysis.
• The residual modes computed in the static perturbation analyses between the most recent eigenfrequency extraction analysis and the current substructure generation analysis.

First available in the Abaqus 2022 FD04 (FP.2232) release.

Use the new RATE INTERPOLATION parameter to use logarithmic or linear interpolation of surface-based cohesive damage or friction quantities versus rate of separation.

Use the new RATE FACTOR parameter to filter the rate of separation or rate of slip.

First available in the Abaqus 2022 FD01 (FP.2205) release.

Use the new parameter setting SECTION SPECIFICATION=UNIFORM to specify uniform prescribed temperature values on nodes, node sets, or the entire model.

First available in the Abaqus 2022 FD04 (FP.2232) release.

Use the new NO ELECTRIC POTENTIAL parameter to specify that electric potential degrees of freedom should not be tied.

Use the new NO FLUID ELECTRIC POTENTIAL parameter to specify that electric potential in fluid degrees of freedom should not be tied.

Use the new NO ION CONCENTRATION to specify that ion concentration in fluid degrees of freedom should not be tied.