Bar D — Welcome to LS-DYNA Examples

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This is a quarter model of a Taylor bar impacting a rigid wall. In input deck D ALE smoothing and 2nd order advection is used. Calculation time is reduced by increasing the number of cycles between advections.

Keywords

*CONTROL_ALE
*CONTROL_ENERGY
*CONTROL_TERMINATION
*CONTROL_TIMESTEP
*DATABASE_BINARY_D3PLOT
*DATABASE_BINARY_D3THDT
*DATABASE_GLSTAT
*ELEMENT_SOLID
*END
*INITIAL_VELOCITY
*KEYWORD
*MAT_PLASTIC_KINEMATIC
*NODE
*PART
*RIGIDWALL_PLANAR
*SECTION_SOLID
*SET_NODE_LIST
*TITLE

Reduced Input

  *KEYWORD 
  *TITLE 
  Taylor bar                                   
  *CONTROL_ALE
           0         2         2       1.0
  
  *CONTROL_TERMINATION 
   3.00000-5
  *CONTROL_TIMESTEP 
   0.0000000 0.7000000         0 0.0000000 0.0000000         0         0         0 
  *CONTROL_ENERGY 
           2         2         1         1 
  *DATABASE_BINARY_D3PLOT 
   1.0000-06                   0 
  *DATABASE_GLSTAT
   1.0000-06
  *DATABASE_BINARY_D3THDT 
   99999.000 
  *MAT_PLASTIC_KINEMATIC 
           1 8930.0000 1.1700+11 0.3500000 4.00000+8 1.00000+8 1.0000000 
   0.0000000 0.0000000 0.0000000 
  *INITIAL_VELOCITY 
    
   0.0000000-280.00000 0.0000000 
  *RIGIDWALL_PLANAR                                                                
           1         0         0 
   0.0000000-0.0112000 0.0000000 0.0000000 0.9888000 0.0000000 0.0000000 
  *SECTION_SOLID
           1         5 
  *PART 
    
           1         1         1         0         0         0         0         0 
  *NODE 
  $
  *ELEMENT_SOLID 
  $
  *SET_NODE_LIST 
           1 
  $
  *END

Figures

image01.gif

image02.gif

Animated Result

Result

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