This section summarizes the changes and the additions that have been made to the options that define an Abaqus model.
| mod | (E) | *ADAPTIVE MESH REFINEMENT |
Use the new LEVEL parameter to specify the maximum number of levels of refinement. | ||
| mod | (C) | *CFD |
Use the new STEADY STATE parameter to activate the steady-state flow solver capabilities. | ||
| mod | (S) | *COMPLEX FREQUENCY |
Use the new LEFT EIGENVECTORS, RIGHT EIGENVECTORS, and NORMALIZATION parameters to extract left and right complex eigenvectors and to request displacement normalization in a complex eigenvalue extraction analysis. | ||
| new | (S) | *COMPOSITE MODAL DAMPING |
Specify composite modal damping for modal analyses based on the SIM architecture. | ||
| mod | (E) | *CONTACT CONTROLS |
Use the new PRESSURE DEPENDENT PERTURBATION parameter to relax or remove both normal and tangential contact constraints with low pressure. The STIFFNESS SCALE FACTOR parameter can now take the value USER ADAPTIVE to adjust the contact stiffness so that it is low at the start of an increment (to improve the convergence) and high at the end of the increment (to improve the solution accuracy). In addition, the STABILIZE parameter can now take the value USER ADAPTIVE to adjust the contact damping coefficient so that it is high at the start of an increment (to improve the convergence) and low at the end of the increment (to improve the solution accuracy). | ||
| mod | (E) | *CONTACT CONTROLS ASSIGNMENT |
Use the new SEEDING parameter to control how the contact seeds are created on Lagrangian surfaces during a coupled Eulerian-Lagrangian analysis. | ||
| mod | (S) | *CONTACT FORMULATION |
Use the new EDGE TO EDGE setting for the TYPE parameter along with the FORMULATION parameter to control usage of edge-to-edge (beam-to-beam) contact formulations in Abaqus/Standard. Use the new FORMULATION parameter to globally control usage of edge-to-edge (beam-to-beam) contact formulations. | ||
| mod | (S) | *CONTACT STABILIZATION |
Use the new USER ADAPTIVE setting for the SCALE FACTOR parameter to scale the contact stabilization coefficient by a factor that decreases within each increment, according to the pattern specified on the last data line. | ||
| mod | (C) | *CONTROLS |
Use the new MESH SMOOTHING parameter to choose the approach for mesh smoothing in an Abaqus/CFD analysis. | ||
| mod | (S) | *CO-SIMULATION |
The CONTROLS parameter is no longer required when specifying PROGRAM=MULTIPHYSICS. Algorithm controls previously specified through the referenced *CO-SIMULATION CONTROLS are now specified through the SIMULIA Co-Simulation Engine configuration file. The coupling with MADYMO is not currently supported, so PROGRAM=MADYMO is not available. | ||
| mod | (S) | *DAMAGE INITIATION |
Use the new POSITION parameter to specify the location used to measure if the crack initiation criterion is satisfied for enriched elements in an Abaqus/Standard analysis. | ||
| mod | (S)(E) | *DIAGNOSTICS |
This option is now available in Abaqus/Standard analyses. Use the new NONHYBRID INCOMPRESSIBLE parameter to replace error messages written to the data (.dat) file during preprocessing with corresponding warning messages for nonhybrid solid elements that have an initial Poisson ratio greater than 0.495. | ||
| new | (E) | *DISCRETE SECTION |
Specify element properties for discrete elements. | ||
| new | (S) | *ELEMENT OPERATOR OUTPUT |
Write element operator output to a SIM document. | ||
| mod | (S)(E) | *EMBEDDED ELEMENT |
Use the new PARTIAL EMBED parameter if the host elements are expected to only partially embed the embedded elements. | ||
| new | (C) | *ENERGY EQUATION SOLVER |
Specify the linear solver and parameters for solving the conduction equations in Abaqus/CFD. | ||
| mod | (E) | *EOS |
The TYPE parameter can now take the value USER for a user-defined equation of state that is defined in user subroutine VUEOS. Use the new PROPERTIES parameter to set the number of property values needed as data in user subroutine VUEOS. | ||
| mod | (S) | *FREQUENCY |
The NSET parameter can now be included with no value to allow Abaqus/Standard to automatically select the nodes at which eigenvectors will be computed. | ||
| mod | (C) | *HEAT TRANSFER |
This option is now available in Abaqus/CFD analyses. Use the new CENTERING parameter to select an element-centered heat transfer analysis. Use the new TYPE parameter to indicate a heat transfer analysis using Abaqus/CFD. | ||
| mod | (S) | *MODAL DAMPING |
For better naming and clarity, several parameters and parameter values have been renamed. The new value VISCOUS=FRACTION OF CRITICAL DAMPING replaces MODAL=DIRECT. The new value VISCOUS=COMPOSITE replaces MODAL=COMPOSITE. The new value VISCOUS=RAYLEIGH replaces the RAYLEIGH parameter. We recommend the use of the new values, although the old names are still recognized. For VISCOUS=COMPOSITE in a SIM-based analysis using the Lanczos eigensolver, scaling factors for the mass and stiffness weighted fraction of composite critical damping can be specified on the data lines. | ||
| mod | (S) | *MOTION |
Use the new optional ELEMENT parameter to prescribe a translational or a rotational velocity to an element set in an eddy current analysis. | ||
| new | (S) | *PERMANENT MAGNETIZATION |
Specify permanent magnetization. | ||
| mod | (C) | *PHYSICAL CONSTANTS |
This option is now available in Abaqus/CFD analyses. | ||
| mod | (C) | *SFILM |
This option is now available in Abaqus/CFD analyses. | ||
| mod | (C) | *SRADIATE |
This option is now available in Abaqus/CFD analyses. | ||
| mod | (S) | *SUBSTRUCTURE MATRIX OUTPUT |
Writing the substructure matrices to the output database (.odb) file is no longer supported. | ||
| mod | (S) | *SURFACE |
The TYPE parameter can now take the value XFEM to generate a crack surface for enriched cracked elements. The generated surface is supported only for the application of distributed pressure loads. | ||
| mod | (S)(E) | *SURFACE PROPERTY ASSIGNMENT |
The PROPERTY parameter can now take the value BEAM SMOOTHING to control smoothing of beam segments in beam-to-beam contact. | ||
| mod | (A) | *SURFACE SECTION |
Use the new AQUAVISUALIZATION parameter to enable visualization of gravity waves in an Abaqus/Aqua analysis. | ||
| mod | (C) | *TURBULENCE MODEL |
The TYPE parameter can now take the value KOMEGA SST to specify the shear-stress transport | ||
| mod | (S) | *VISCOELASTIC |
The LAW parameter can now take the values BERGSTROM-BOYCE and USER to choose a Bergstrom-Boyce law or to input the creep law using user subroutine UCREEPNETWORK in an Abaqus/Standard analysis. Use the new PROPERTIES parameter in an Abaqus/Standard analysis to set the number of property values needed as data in user subroutine UCREEPNETWORK. |
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turbulence model.