Elements
表 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
表 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
表 3. Supported Boundary Condition Mappings
| LS-DYNA |
Nastran |
| *BOUNDARY_SPC |
SPC |
| *LOAD_NODE_POINT |
FORCE, MOMENT |
| *LOAD_SEGMENT |
PLOAD4 |
| *INITIAL_TEMP |
TEMP |
Coordinate System
表 4. Supported Coordinate System Mappings
| LS-DYNA |
Nastran |
| *DEFINE_COORDINATE_NODE |
CORD1R |
| *DEFINE_COORDINATE_SYSTEM |
CORD2R |