Metal forming I — Welcome to LS-DYNA Examples

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Examples describes the offset option of LS-DYNA.

Keywords

*BOUNDARY_PRESCRIBED_MOTION_RIGID
*CONTACT_SURFACE_TO_SURFACE
*CONTROL_CONTACT
*CONTROL_CPU
*CONTROL_DAMPING
*CONTROL_ENERGY
*CONTROL_OUTPUT
*CONTROL_SHELL
*CONTROL_TERMINATION
*CONTROL_TIMESTEP
*DATABASE_BINARY_D3PLOT
*DATABASE_BINARY_D3THDT
*DATABASE_BINARY_INTFOR
*DATABASE_GLSTAT
*DATABASE_MATSUM
*DATABASE_RBDOUT
*DATABASE_RCFORC
*DEFINE_CURVE
*DEFINE_VECTOR
*ELEMENT_SHELL
*END
*KEYWORD
*MAT_PIECEWISE_LINEAR_PLASTICITY
*MAT_RIGID
*NODE
*PART
*SECTION_SHELL
*SET_SEGMENT
*TITLE

Reduced Input

  *KEYWORD
  *TITLE
  Sample problem to examine thickness offsetting                          
  *CONTROL_TERMINATION
   1.200E+00         0 0.000E+00         0 0.000E+00
  *CONTROL_TIMESTEP
   0.000E+00 0.000E+00         0 0.000E+00 0.000E+00         0    0
  *CONTROL_SHELL
   0.000E+00         0         0         1         0         0
  *CONTROL_DAMPING
           0 0.000E+00 0.000E+00 0.000E+00 0.000E+00         0 0.000E+00         0
  *CONTROL_CONTACT
   0.000E+00 0.000E+00         0         0         0         0         0         0
           0         0         0
  *CONTROL_OUTPUT
           0         0         0         0 0.000E+00         0
  *CONTROL_ENERGY
           0         0         0         0
  *DATABASE_BINARY_D3PLOT
   1.000E-03
  *DATABASE_BINARY_D3THDT
   4.000E-03
  *DATABASE_GLSTAT
   1.200E-03
  *DATABASE_MATSUM
   1.200E-03
  *DATABASE_RCFORC
   1.200E-03
  *DATABASE_RBDOUT
   1.200E-03
  *DATABASE_BINARY_INTFOR
   1.200E-02
  *CONTROL_CPU
   0.000E+00
  *MAT_PIECEWISE_LINEAR_PLASTICITY
           1 7.830E-06 2.070E+02 3.000E-01 1.210E+02 0.000E+00 0.000E+00 0.000E+00
   0.000E+00 0.000E+00 0.000E+00 0.000E+00
   0.000E+00 0.000E+00 0.000E+00 0.000E+00 0.000E+00 0.000E+00 0.000E+00 0.000E+00
   1.210E+02 2.150E+02 2.570E+02 2.870E+02 3.010E+02 3.200E+02 3.460E+02 3.780E+02
  *MAT_RIGID
           2 7.830E-06 2.070E+02 3.000E-01 0.000E+00 0.000E+00 0.000E+00          
   0.000E+00 0.000E+00 0.000E+00
   0.000E+00 0.000E+00 0.000E+00 0.000E+00 0.000E+00 0.000E+00 0.000E+00 0.000E+00
  *SECTION_SHELL
           1         0 0.000E+00 5.000E+00 0.000E+00 0.000E+00
   1.000E+00 1.000E+00 1.000E+00 1.000E+00 0.000E+00
  *SECTION_SHELL
           2         0 0.000E+00 0.000E+00 0.000E+00 0.000E+00
   1.000E+00 1.000E+00 1.000E+00 1.000E+00 0.000E+00
  *PART
   
           1         1         1         0         0
  *PART
   
           2         2         2         0         0
  *NODE
  $
  *ELEMENT_SHELL
  $
  *DEFINE_CURVE
           1         0 0.000E+00 0.000E+00 0.000E+00 0.000E+00
        0.00000000E+00      1.00000000E+01
        1.00000000E+00      1.00000000E+01
  *DEFINE_VECTOR
           1 0.000E+00 0.000E+00 0.000E+00 0.000E+00 0.000E+00-1.000E+00
  *BOUNDARY_PRESCRIBED_MOTION_RIGID
           2         4         0         1 1.000E+00         1
  $ INTERFACE NAME: 1          $$$
  *CONTACT_SURFACE_TO_SURFACE                      
           1         2         0         0         0         0         0         0
   1.000E-01 1.000E-01 0.000E+00 0.000E+00 0.000E+00         0 0.000E+00 0.000E+00
   0.000E+00 0.000E+00 0.000E+00 0.000E+00 0.000E+00 0.000E+00
  *SET_SEGMENT
  $
  $ Slave segments, surface:   1
  $
  *SET_SEGMENT
  $
  $ Master segments, surface:   1
  $
  *END

Figures

image01.gif

image02.gif

Animated Result

Result

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