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_PLASTICITY_COMPRESSION_TENSION | MATS1 | 
          
All the LS-DYNA materials are mapped MAT1 in OptiStruct.
    
    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 |