LS-DYNA to OptiStruct Conversion Mapping

Elements

LS-DYNA OptiStruct
*ELEMENT_MASS CONM2
*ELEMENT_BEAM CBAR
*ELEMENT_SHELL CTRIA3,CQUAD4, CQUAD8, CTRIA6
*ELEMENT_SOLID CTETRA4/CHEXA8/CPENTA6
*CONSTRAINED_SPOTWELD RBAR
*ELEMENT_PLOTEL PLOTEL
*CONSTRAINED_INTERPOLATION RBE3
*CONSTRAINED_NODE_SET RBE2
*ELEMENT_DISCRETE CELAS1

Properties

LS-DYNA OptiStruct
*SECTION_SOLID PSOLID
*SECTION_SHELL PSHELL

Materials

LS-DYNA OptiStruct
*MAT_MODIFIED_PIECEWISE_LINEAR_ELASTICITY MATS1
*MAT_TABULATED_JOHNSONCOOK MATS1
*MAT_PIECEWISE_LINEAR_PLASTICITY MAT1,MATS1
*MAT_PLASTICITY_COMPRESSION_TENSION MATS1

All the LS-DYNA materials are mapped MAT1 in OptiStruct.

Loads

LS-DYNA OptiStruct
*BOUNDARY PRESCRIBED MOTION SPCD

Joints

LS-DYNA OptiStruct
Spherical Ball

Boundary Conditions

LS-DYNA OptiStruct
*BOUNDARY_SPC SPC
*LOAD_NODE_POINT FORCE, MOMENT
*LOAD_SEGMENT PLOAD4
*INITIAL_TEMP TEMP

Coordinate Systems

LS-DYNA OptiStruct
*DEFINE_COORDINATE_NODE CORD1R
*DEFINE_COORDINATE_

SYSTEM

CORD2R