Elements
Table 1. Supported Element Mappings
LS-DYNA |
Nastran |
*ELEMENT_MASS |
CONM2 |
*ELEMENT_INERTIA |
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
Table 2. Supported Property Mappings
LS-DYNA |
Nastran |
*SECTION_SOLID |
PSOLID |
*SECTION_SHELL |
PSHELL |
*SECTION_BEAM |
PBAR, PBARL |
*SECTION_BEAM with ELFORM 1 is mapped to the PBARL property.
*SECTION_BEAM with ELFORM 2 is mapped to the PBAR property.
Materials
All the LS-DYNA materials are mapped MAT1 in Nastran.
Boundary Conditions
Table 3. Supported Boundary Condition Mappings
LS-DYNA |
Nastran |
*BOUNDARY_SPC |
SPC |
*LOAD_NODE_POINT |
FORCE, MOMENT |
*LOAD_SEGMENT |
PLOAD4 |
*INITIAL_TEMP |
TEMP |
Coordinate System
Table 4. Supported Coordinate System Mappings
LS-DYNA |
Nastran |
*DEFINE_COORDINATE_NODE |
CORD1R |
*DEFINE_COORDINATE_SYSTEM |
CORD2R |