Sieve — Welcome to LS-DYNA Examples

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This models the impact of a ball against an aluminium sieve.

Keywords

*CONTROL_CONTACT
*CONTROL_CPU
*CONTROL_DAMPING
*CONTROL_ENERGY
*CONTROL_OUTPUT
*CONTROL_SHELL
*CONTROL_SPH
*CONTROL_TERMINATION
*CONTROL_TIMESTEP
*DATABASE_BINARY_D3PLOT
*DATABASE_EXTENT_BINARY
*DATABASE_GLSTAT
*DATABASE_MATSUM
*ELEMENT_SOLID
*ELEMENT_SPH
*END
*EOS_GRUNEISEN
*INITIAL_VELOCITY_NODE
*KEYWORD
*MAT_ELASTIC_PLASTIC_HYDRO
*MAT_PLASTIC_KINEMATIC
*NODE
*PART
*SECTION_SOLID
*SECTION_SPH
*SET_NODE_LIST_GENERATE
*TITLE

Reduced Input

  *KEYWORD
  $ cm micros GPa
  *TITLE
  impact 6.18 km/s alu/alu
  *CONTROL_TERMINATION
   20.000000      6000 0 0.0000000         0 0.0000000
  *CONTROL_TIMESTEP
   0.0000000 0.2000000         0 0.0000000 0.0000000         0         0         0
  *CONTROL_SHELL
   0.0000000         0         0         0         9         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
  *CONTROL_SPH
           1                             3
  *DATABASE_MATSUM
   5.00000-2
  *DATABASE_GLSTAT
   5.00000-2
  *DATABASE_BINARY_D3PLOT
   5.00000-1                   0
  *DATABASE_EXTENT_BINARY
           0         0         0         0         0         0         0         0
           0         0         0         0         0         0
  *CONTROL_CPU
   0.0000000
  *MAT_PLASTIC_KINEMATIC
           1 2.7850000 0.7000000 0.2690000 290.000-5 0.0700000 1.0000000 0.0000000
   0.0000000 0.0000000         0         0
  *MAT_ELASTIC_PLASTIC_HYDRO
           2 2.7850000 26.9000-2 290.000-5 0.0000000 -2.000-02 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 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 0.0000000
  *EOS_GRUNEISEN
           2 0.5328000 1.3390000 0.0000000 0.0000000 2.0000000 0.4800000 0.0000000
   0.0000000
  *MAT_ELASTIC_PLASTIC_HYDRO
           3 2.7850000 26.9000-2 290.000-5 0.0000000 -2.000-02 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 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 0.0000000
  *EOS_GRUNEISEN
           3 0.5328000 1.3390000 0.0000000 0.0000000 2.0000000 0.4800000 0.0000000
   0.0000000
  *SECTION_SOLID
           1         0  
  *SECTION_SPH
           2 1.200000  0.2       4
  *SECTION_SPH
           3 1.200000  0.2       4
  *PART
  material type # 3                               
           1         1         1         0         0         0         0         0
  *PART
  material type #10                               
          10         2         2         2         0         0         0         0
  *PART
  material type #10                               
          11         3         3         3         0         0         0         0
  *NODE
  $
  *ELEMENT_SOLID
  $
  *NODE
  $
  *SET_NODE_LIST_GENERATE
          11
    10000001  10016968
  *INITIAL_VELOCITY_NODE
  $
  *ELEMENT_SPH
  $
  *NODE
  $
  *SET_NODE_LIST_GENERATE
          10
      100001    101791
  *INITIAL_VELOCITY_NODE
  $
  *ELEMENT_SPH
  $
  *END

Figures

image01.gif

image02.gif

Animated Result

Result

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