Composite Analysis

Plate with a hole, *MAT_ENHANCED_COMPOSITE_DAMAGE is used. Linear Example 2 from A Roadmap to Linear an Nonlinear Implicit Analysis in LS-DYNA by George Laird and Satish Pathy.

*BOUNDARY_PRESCRIBED_MOTION_NODE
*BOUNDARY_SPC_NODE
*CONTROL_IMPLICIT_GENERAL
*CONTROL_IMPLICIT_SOLUTION
*CONTROL_SHELL
*CONTROL_TERMINATION
*DATABASE_BINARY_D3PLOT
*DATABASE_EXTENT_BINARY
*DEFINE_CURVE_TITLE
*ELEMENT_SHELL_THICKNESS
*END
*KEYWORD
*MAT_ENHANCED_COMPOSITE_DAMAGE_TITLE
*NODE
*PART_COMPOSITE
*TITLE

*KEYWORD
*TITLE
Roadmap Linear and Nonlinear Analyses - Composite Analysis
*CONTROL_IMPLICIT_GENERAL
         1       1.0     
*CONTROL_IMPLICIT_SOLUTION
         1        
        
        
         
*CONTROL_SHELL
                   2                          
       
        
        
*CONTROL_TERMINATION
       1.0        
*DATABASE_BINARY_D3PLOT
       1.0
         
*DATABASE_EXTENT_BINARY
                             8 
        
                            
        
*DEFINE_CURVE_TITLE
Load Curve
         1        
                 0.0                 0.0
                 1.0                 1.0
*MAT_ENHANCED_COMPOSITE_DAMAGE_TITLE
Toray Carbon/Epoxy (T800S/3900-2)
         1            147000.0    7580.0             0.01547      
    3960.0    3000.0    3960.0       
       
      
      
       
      
      
*PART_COMPOSITE
         1       -16       
         1    2.0E-4      0.00                   1    2.0E-4     -45.0         
         1    2.0E-4      90.0                   1    2.0E-4      45.0         
         1    2.0E-4      45.0                   1    2.0E-4      90.0         
         1    2.0E-4     -45.0                   1    2.0E-4      0.00         
*BOUNDARY_PRESCRIBED_MOTION_NODE
*BOUNDARY_SPC_NODE
*ELEMENT_SHELL_THICKNESS
*NODE
*END