| LS-DYNA Keyword | Abaqus Equivalent |
| *MAT_NULL | *ELASTICShell elements that reference a null material are translated as surface elements |
| *MAT_OGDEN_RUBBER | *HYPERELASTIC, OGDEN |
| *MAT_PIECEWISE_LINEAR_PLASTICITY | *PLASTIC |
| *MAT_PLASTIC_KINEMATIC | *PLASTIC, HARDENING=KINEMATIC |
| *MAT_RIGID | *ELASTIC*RIGID BODY (for LS-DYNA parts that refer to a rigid material) |
| *MAT_SEATBELT | *CONNECTOR ELASTICITY, NONLINEAR |
| *MAT_SPOTWELD | *CONNECTOR ELASTICITY, RIGID |
| *MAT_SPRING_ELASTIC | *CONNECTOR ELASTICITY |
| *MAT_SPRING_NONLINEAR_ELASTIC | *CONNECTOR ELASTICITY, NONLINEAR |
| *MAT_VISCOELASTIC | *VISCOELASTIC, TIME=PRONY |
| $^1$ For more information about using ABQ_HONEYCOMB, refer to “Abaqus/Explicit honeycomb material model,” which is available in the Dassault Systèmes Knowledge Base at www.3ds.com/support/knowledge-base. |
Table 3.2.36–2 Part data.
| LS-DYNA Keyword | Abaqus Equivalent |
| *DEFINE_COORDINATE_NODES | *ORIENTATION,DEFINITION=NODES |
| *DEFINE_COORDINATE_SYSTEM | *ORIENTATION,DEFINITION=COORDINATES |
| *DEFINE_COORDINATE_VECTOR | *ORIENTATION,DEFINITION=COORDINATES |
| *DEFINE_CURVE | Data from a single curve used in the following keywords:*AMPLITUDE*CONNECTOR DAMPING (nonlinear)*CONNECTOR ELASTICITY (nonlinear)*SURFACE BEHAVIOR*UNIAXIAL TEST DATA |
| *DEFINE_SD_ORIENTATION | *ORIENTATION |
| *DEFINE_TABLE | Multi-curve data used in conjunction with*PLASTIC and *LOW DENSITY FOAM in which the stress-strain relationship is defined for various strain rates |
Table 3.2.36–4 Section data.
| LS-DYNA Keyword | Abaqus Equivalent |
| *DATABASE_BINARY_D3PLOT | *OUTPUT, FIELD and*ELEMENT OUTPUT |
| *DATABASE_BINARY_D3THDT | *OUTPUT, FIELD and*ELEMENT OUTPUT |
| *DATABASE_DEFORC | *OUTPUT, FIELD and*ELEMENT OUTPUT |
| *DATABASE_ELOUT | *OUTPUT, FIELD and*ELEMENT OUTPUT |
| *DATABASE_NODOUT | *OUTPUT, FIELD and *NODE OUTPUT |
| *DATABASE_HISTORY_BEAM*DATABASE_HISTORY_BEAM_ID*DATABASE_HISTORY_BEAM_SET | *OUTPUT, HISTORY and*ENERGY OUTPUT |
| *DATABASE_HISTORY_NODE*DATABASE_HISTORY_NODE_ID*DATABASE_HISTORY_NODE_SET | *OUTPUT, HISTORY and*ENERGY OUTPUT |
| *DATABASE_HISTORY_SHELL*DATABASE_HISTORY_SHELL_ID*DATABASE_HISTORY_SHELL_SET | *OUTPUT, HISTORY and*ENERGY OUTPUT |
| *DATABASE_HISTORY_SOLID*DATABASE_HISTORY_SOLID_ID*DATABASE_HISTORY_SOLID_SET | *OUTPUT, HISTORY and*ENERGY OUTPUT |
Table 3.2.36–7 Element data.
| LS-DYNA Keyword | Abaqus Equivalent |
| *ELEMENT_BEAM | Beam elements: *ELEMENT, TYPE=B31Truss elements: *ELEMENT, TYPE=T3D2 |
| *ELEMENT_BEAM_PID | *ELEMENT, TYPE=CONN3D2 and *FASTENER |
| *ELEMENT_DISCRETE | *ELEMENT, TYPE=CONN3D2 |
| *ELEMENT_MASS | *ELEMENT, TYPE=MASS and *MASS |
| *ELEMENT_SEATBELT | *ELEMENT, TYPE=CONN3D2 |
| *ELEMENT_SHELL | Shell elements: *ELEMENT, TYPE=S3R or S4RMembrane elements: *ELEMENT, TYPE=M3D3 or M3D4RSurface elements (with *MAT_NULL): *ELEMENT, TYPE= SFM3D3 or SFM3D4R |
| *ELEMENT_SOLID | *ELEMENT, TYPE=C3D4, C3D6, C3D8R, or C3D10M |
| *ELEMENT_TSHELL | *ELEMENT, TYPE=SC6R or SC8R |
Table 3.2.36–8 Prescribed conditions data.
| LS-DYNA Keyword | Abaqus Equivalent |
| *BOUNDARY_PRESCRIBED_MOTION_NODE | *BOUNDARY,TYPE=DISPLACEMENT,VELOCITY, or ACCELERATION |
| *BOUNDARY_PRESCRIBED_MOTION_SET | *BOUNDARY,TYPE=DISPLACEMENT,VELOCITY, or ACCELERATION |
| *BOUNDARY_PRESCRIBED_MOTION_RIGID | *BOUNDARY for reference node of rigid body |
| *BOUNDARY_PRESCRIBED_MOTION_RIGID_LOCAL | *BOUNDARY for reference node of rigid body |
| *BOUNDARY_SPC_NODE | *BOUNDARY |
| *BOUNDARY_SPC_SET | *BOUNDARY |
| LS-DYNA Keyword | Abaqus Equivalent |
| *CONSTRAINED_NODE_SET | *EQUATION |
| *CONSTRAINED_NODAL_RIGID_BODY | *MPC type BEAM |
| *CONSTRAINED_EXTRA_NODES_NODE | Node set used as TIE NSET in the definition of *RIGID BODY |
| *CONSTRAINED_EXTRA_NODES_SET | Node set used as TIE NSET in the definition of *RIGID BODY |
| *CONSTRAINED_JOINT_CYLINDRICAL | *ELEMENT, TYPE=CONN3D2 |
| *CONSTRAINED_JOINT_REVOLUTE | *ELEMENT, TYPE=CONN3D2 |
| *CONSTRAINED_JOINT_SPHERICAL | *ELEMENT, TYPE=CONN3D2 |
| *CONSTRAINED_JOINT_STIFFNESS_GENERALIZED | *ELEMENT, TYPE=CONN3D2*CONNECTOR SECTION, BEHAVIOR |
| *CONSTRAINED_JOINT_TRANSLATIONAL | *ELEMENT, TYPE=CONN3D2 |
| *CONSTRAINED_JOINT_UNIVERSAL | *ELEMENT, TYPE=CONN3D2 |
| *CONSTRAINED_RIGID_BODIES | Merged element set used in the definition of *RIGID BODY |
| *CONSTRAINED_SPOTWELD | *MPC type BEAM |
Table 3.2.36–10 Load data.
| LS-DYNA Keyword | Abaqus Equivalent |
| *CONTACT_AUTOMATIC_NODES_TO_SURFACE | *CONTACT*CONTACT INCLUSIONS*CONTACT PROPERTY ASSIGNMENT*SURFACE INTERACTION*SURFACE PROPERTY ASSIGNMENT |
| *CONTACT_AUTOMATIC_SINGLE_SURFACE | *CONTACT*CONTACT INCLUSIONS*CONTACT PROPERTY ASSIGNMENT*SURFACE INTERACTION*SURFACE PROPERTY ASSIGNMENT |
| *CONTACT_AUTOMATIC_SURFACE_TO_SURFACE | *CONTACT*CONTACT INCLUSIONS*CONTACT PROPERTY ASSIGNMENT*SURFACE INTERACTION*SURFACE PROPERTY ASSIGNMENT |
| *CONTACT_NODES_TO_SURFACE | *CONTACT*CONTACT INCLUSIONS*CONTACT PROPERTY ASSIGNMENT*SURFACE INTERACTION*SURFACE PROPERTY ASSIGNMENT |
| *CONTACT_RIGID_NODES_TO_RIGID_BODY | *CONTACT*CONTACT INCLUSIONS*CONTACT PROPERTY ASSIGNMENT*SURFACE INTERACTION*SURFACE PROPERTY ASSIGNMENT |
| *CONTACT_SINGLE_SURFACE | *CONTACT*CONTACT INCLUSIONS*CONTACT PROPERTY ASSIGNMENT*SURFACE INTERACTION*SURFACE PROPERTY ASSIGNMENT |