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_PIECEWISE_LINEAR_PLASTICITY | 
              MAT1,MATS1 | 
            
            
              | *MAT_PLASTICITY_COMPRESSION_TENSION | 
              MATS1 | 
            
          
 
      All the LS-DYNA materials are mapped MAT1 in OptiStruct.
    
    Loads
      
      
            
              | LS-DYNA | 
              OptiStruct | 
            
          
            
              | *BOUNDARY PRESCRIBED MOTION | 
              SPCD | 
            
          
 
    
    Joints
      
      
            
              | LS-DYNA | 
              OptiStruct | 
            
          
            
              | Spherical | 
              Ball | 
            
          
 
    
    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 |