Rigid Walls
Rigid wall entities provide a method for treating a contact between a rigid surface and nodal points of a deformable body. In the LSDYNA and Radioss user profiles, rigid walls can be created in the Model and Solver browsers.
LSDYNA Cards
Card  Description 

*RIGIDWALL_GEOMETRIC_CYLINDER  
*RIGIDWALL_GEOMETRIC_CYLINDER_DISPLAY  
*RIGIDWALL_GEOMETRIC_CYLINDER_MOTION  
*RIGIDWALL_GEOMETRIC_CYLINDER_MOTION_DISPLAY  
*RIGIDWALL_GEOMETRIC_FLAT  
*RIGIDWALL_GEOMETRIC_FLAT(FINITE)  
*RIGIDWALL_GEOMETRIC_FLAT_DISPLAY  
*RIGIDWALL_GEOMETRIC_FLAT_DISPLAY(FINITE)  
*RIGIDWALL_GEOMETRIC_FLAT_MOTION  
*RIGIDWALL_GEOMETRIC_FLAT_MOTION(FINITE)  
*RIGIDWALL_GEOMETRIC_FLAT_MOTION_DISPLAY  
*RIGIDWALL_GEOMETRIC_FLAT_MOTION_DISPLAY(FINITE)  
*RIGIDWALL_GEOMETRIC_PRISM  
*RIGIDWALL_GEOMETRIC_PRISM(FINITE)  
*RIGIDWALL_GEOMETRIC_PRISM_DISPLAY  
*RIGIDWALL_GEOMETRIC_PRISM_DISPLAY(FINITE)  
*RIGIDWALL_GEOMETRIC_PRISM_MOTION  
*RIGIDWALL_GEOMETRIC_PRISM_MOTION(FINITE)  
*RIGIDWALL_GEOMETRIC_PRISM_MOTION_DISPLAY  
*RIGIDWALL_GEOMETRIC_PRISM_MOTION_DISPLAY(FINITE)  
*RIGIDWALL_GEOMETRIC_SPHERE  
*RIGIDWALL_GEOMETRIC_SPHERE_DISPLAY  
*RIGIDWALL_GEOMETRIC_SPHERE_MOTION  
*RIGIDWALL_GEOMETRIC_SPHERE_MOTION_DISPLAY  
*RIGIDWALL_PLANAR  Define planar rigid walls with either finite or infinite size. 
*RIGIDWALL_PLANAR_FINITE  
*RIGIDWALL_PLANAR_FINITE_FORCES  
*RIGIDWALL_PLANAR_FINITE_MOVING  
*RIGIDWALL_PLANAR_FINITE_MOVING_DISPLAY  
*RIGIDWALL_PLANAR_FINITE_MOVING_FORCES  
*RIGIDWALL_PLANAR_FINITE_MOVING_FORCES_DISPLAY  
*RIGIDWALL_PLANAR_MOVING_FORCES  
*RIGIDWALL_PLANAR_MOVING  
*RIGIDWALL_PLANAR_MOVING_DISPLAY  
*RIGIDWALL_PLANAR_MOVING_FORCES  
*RIGIDWALL_PLANAR_MOVING_FORCES_DISPLAY  
*RIGIDWALL_PLANAR_ORTHO  
*RIGIDWALL_PLANAR_ORTHO_FINITE  
*RIGIDWALL_PLANAR_ORTHO_FINITE_FORCES  
*RIGIDWALL_PLANAR_ORTHO_FORCES 
OptiStruct
Card  Description 

RWALADD  Defines a rigid wall set as a union of rigid walls
defined via RWALL entries. Note: Bulk Data Entry

RWALL  Defines a rigid wall for geometric nonlinear analysis. Note: Bulk Data Entry

/RWALL/PLANE  Infinite Plane rigid wall 
/RWALL/CYL  Infinite Cylinder rigid wall 
/RWALL/SPHER  Spherical rigid wall 
/RWALL/PARAL  Parallelogram rigid wall 
/RWALL/THERM  ALE infinite plane rigid wall with thermal conductivity 
Radioss Cards
Card  Description 

/RWALL/PLANE  Infinite Plane rigid wall 
/RWALL/CYL  Infinite Cylinder rigid wall 
/RWALL/SPHER  Spherical rigid wall 
/RWALL/PARAL  Parallelogram rigid wall 
/RWALL/THERM  ALE infinite plane rigid wall with thermal conductivity 