The following table summarizes which Mechanical items are supported by NASTRAN Export, and the NASTRAN commands they are mapped to. The Mechanical items are categorized by Group and Subgroup. This table is only a guide and should not be used as the definitive list of supported items.
Group | Subgroup | Mechanical Item | Generated NASTRAN Command |
Analysis | Modal | Modal | SOL103 |
Modal (Free-Free) with Perform Ground Check | SOL103,GROUNDCHECK | ||
Modal (Pre-Stressed) | SOL103, STATSUB | ||
Static | Linear Static | SOL101 | |
Transient | Direct Transient | SOL109 | |
Boundary Conditions | Acceleration | Acceleration by components | GRAV |
Displacement | Fixed Support, by vertex | SPC, spc id, grid id, 123456 | |
Fixed Support, by vertex | SPC, spc id, grid id, 123456 | ||
Fixed Support, by vertex | SPC, spc id, grid id, 123456 | ||
Nodal Displacement | SPC+SPCD pair | ||
Remote Displacement, rigid, by edge | SPC, spc id, grid id, dof | ||
remote Displacement, rigid, by face | SPC, spc id, grid id, dof | ||
Remote Displacement, rigid, by remote point | SPC, spc id, grid id, dof | ||
Remote Displacement, rigid, by vertex | SPC, spc id, grid id, dof | ||
Remote displacement, rigid, by vertex | SPC, spc id, grid id, dof | ||
Force | Force, by edge on beam | PLOAD1: P1 term | |
Force, by face | PLOAD4: P1,N1,N2,N3 terms | ||
Line Pressure, by edge on beam | PLOAD1: P1 term | ||
Moment, by face | MOMENT | ||
Nodal Force | FORCE | ||
Pressure, by face | PLOAD4: P1 term | ||
Remote Force, by face | FORCE | ||
Nodal Orientation | Nodal Orientation object | GRID: CD term | |
Thermal | Thermal Condition, by body (line/solid) | Thermal loads | |
Thermal Condition, by body (surface top) | Thermal loads | ||
Connection | Contact | MPC Formulation | MPC |
Joint | Bushing | CBUSH | |
Fixed | CBUSH | ||
General | CBUSH | ||
Revolute, rotational stiffness | CBUSH | ||
Remote Point | Deformable, scoped to faces | RBE3 | |
Rigid, scoped to edges | RBE2 | ||
Rigid, scoped to solid body face | RBE2 | ||
Coordinate System | Coordinate System | Defined by Geometry | CORD2* |
Defined by Named Selection | CORD2* | ||
Offset | CORD2* | ||
Rotated | CORD2* | ||
Material Orientation | Surface Cody Coordinate System | CQUAD*/CTRIA*: MCID term | |
Element | Beam | cross_section, ASEC | PBEAM |
cross_section, CHAN | PBEAML,CHAN | ||
cross_section, CSOLID | PBEAML,ROD | ||
cross_section, CTUBE | PBEAML,TUBE | ||
cross_section, HAT | PBEAML,HAT | ||
cross_section, HREC | PBEAML,BOX1 | ||
cross_section, I | PBEAML,I | ||
cross_section, L | PBEAML,L | ||
cross_section, RECT | PBEAML,BAR | ||
cross_section, T | PBEAML,T2 | ||
cross_section, Z | PBEAML,Z | ||
Line Body, Model Type:Beam, linear | CBEAM | ||
Link | Line Body, Model Type:link | CROD | |
Line Body, Model Type:link | PROD | ||
Shell | Layered Section, by body | PCOMP | |
Surface Body, linear | CQUAD4 / CTRIA3 | ||
Surface Body, quadratic | CQUAD8 / CTRIA6 | ||
Thickness, by body | PSHELL | ||
Solid | Solid Body, hex20 | CHEXA | |
Solid Body, hex8 | CHEXA | ||
Solid Body, pyr13 | CPYRAM | ||
Solid Body, pyr5 | CPYRAM | ||
Solid Body, tet10 | CTETRA | ||
Solid Body, tet4 | CTETRA | ||
Spring | Longitudinal | CBEAM w/ end releases | |
Longitudinal, force preload | CBEAM w/ end releases and TEMP | ||
Mass | Distributed Mass | Scoped to Line Body | PBEAM*/PROD: NSM term |
Scoped to Surface Body | PSHELL/PCOMP: NSM term | ||
Point Mass | Direct vertex attachment | CONM2 | |
Remote attachment, vertex | CONM2+RBE2 | ||
Property | Material | Isotropic | MAT1 |
Isotropic, Temperature Dependant | MAT1, MATT1, TABLEM1 | ||
Orthotropic | MAT8, MAT12 | ||
Shell | Preintegrated Shell Section | PSHELL + 4x MAT2 |