Mat24 Table

This example shows the usage of material 24. By *MAT_PIECEWISE_LINEAR_PLASTICITY keyword an elasto-plastic material with an arbitrary stress versus strain curve and arbitrary strain rate dependency can be defined.

*BOUNDARY_PRESCRIBED_MOTION_NODE
*BOUNDARY_SPC_NODE
*CONTROL_CONTACT
*CONTROL_CPU
*CONTROL_DAMPING
*CONTROL_ENERGY
*CONTROL_OUTPUT
*CONTROL_SHELL
*CONTROL_TERMINATION
*CONTROL_TIMESTEP
*DATABASE_BINARY_D3PLOT
*DATABASE_BINARY_D3THDT
*DATABASE_EXTENT_BINARY
*DATABASE_GLSTAT
*DATABASE_SPCFORC
*DEFINE_CURVE
*DEFINE_TABLE
*ELEMENT_SHELL
*END
*INTERFACE_SPRINGBACK_NIKE3D
*KEYWORD
*MAT_PIECEWISE_LINEAR_PLASTICITY
*NODE
*PART
*SECTION_SHELL
*SET_PART
*TITLE

  *KEYWORD
  $ 
  $ LS-TAURUS commands to confirm response (compare to curve 2)
  $grid
  $print column
  $e2hist 9 7 1 1
  $
  *define_table
  2 
  .001
  1000
  *DEFINE_CURVE
           3         0 0.0000000 0.0000000 0.0000000 0.0000000
        0.00000000E+00      2.15000000E+02
        4.99999989E-03      3.00000000E+02
        9.99999978E-03      3.40000000E+02
  $  add another point -- resolution IS lost when table of curves is used 
         100.                3400.e+0
  $      1.                  3400.e+1
  $ stress-strain curve for mat24
  *DEFINE_CURVE
           4         0 0.0000000 0.0000000 0.0000000 0.0000000
        0.00000000E+00      2.15000000E+02
        4.99999989E-03      3.00000000E+02
        9.99999978E-03      3.40000000E+02
  $  add another point -- resolution IS lost when table of curves is used 
         100.                3400.e+0
  $      1.                  3400.e+1
  *MAT_PIECEWISE_LINEAR_PLASTICITY
           1 7.85000-9 2.00000+5 0.3000000 215.00000 0.0000000 0.0000000 0.0000000
   0.0000000 0.0000000         2         0
   0.0000000 0.0000000 0.0000000 0.0000000 0.0000000 0.0000000 0.0000000 0.0000000
   0.0000000 0.0000000 0.0000000 0.0000000 0.0000000 0.0000000 0.0000000 0.0000000
  *interface_springback_nike3d
  1
  *set_part
  1
  1
  *TITLE
  mat24-table.k                                                           
  *CONTROL_TERMINATION
   4.00000-5         0 0.0000000         0 0.0000000
  *CONTROL_TIMESTEP
   0.0000000 0.1000000         0 0.0000000 0.0000000         0         0         0
  *CONTROL_SHELL
   0.0000000         0         0         1         0         0         0
  *CONTROL_DAMPING
           0 0.0000000 0.0000000 0.0000000 0.0000000         0 0.0000000         0
  *CONTROL_CONTACT
   0.0000000 0.0000000         0         0         0         0         0
           0         0         0         0 0.0000000         0         0         0
  *CONTROL_OUTPUT
           0         0         0         0 0.0000000         0         0
  *CONTROL_ENERGY
           1         2         1         1
  *DATABASE_BINARY_D3PLOT
   4.00000-7                   0
  *DATABASE_BINARY_D3THDT
   10000.000
  *DATABASE_EXTENT_BINARY
          10        10         0         1         0         0         0         0
           0         0         0         0         0         0
  *DATABASE_GLSTAT
   2.75000-6
  *DATABASE_SPCFORC
   300.00000
  *CONTROL_CPU
   0.0000000
  *SECTION_SHELL
  $
  *PART
   PSHELL    :   B-pillar outer(driver)                                           
           1         1         1         0         0         0         0         0
  *NODE
  $
  *ELEMENT_SHELL
         1       1       1       3       4       2
  *BOUNDARY_SPC_NODE
           1         0         0         0         1         0         0         0
           2         0         0         0         1         0         0         0
  *DEFINE_CURVE
           1         0 0.0000000 0.0000000 0.0000000 0.0000000
        0.00000000E+00      0.00000000E+00
        2.74999999E-03      1.00000000E+01
  *BOUNDARY_PRESCRIBED_MOTION_NODE
           3         3         2         1 1.0000000         0 0.0000000 0.0000000
           4         3         2         1 1.0000000         0 0.0000000 0.0000000
  *END