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Projectile Block

A quarter of a rigid projectile impacting an energy absorbing block is modeled. The block material is defined with a strain failure criteria, at failure strain of 0.150 elements are deleted. Eroding contact is employed. Download is available in the download section of this document

Keywords

Keywords

This example has been taken from the introductory class of Jim Day. Example name: typ14-m24.k

The used Keywords in alphabetical order. 

*CONTACT_ERODING_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_EXTENT_BINARY
*DATABASE_MATSUM
*ELEMENT_SOLID
*END
*INITIAL_VELOCITY_NODE
*KEYWORD
*MAT_PIECEWISE_LINEAR_PLASTICITY
*MAT_RIGID
*NODE
*PART
*SECTION_SOLID
*SET_PART
*SET_SEGMENT
*TITLE

Reduced Input

Reduced Input

This example has been taken from the introductory class of Jim Day. Example name: typ14-m24.k

*Node and *Element Cards are removed. 

  *KEYWORD
  *database_matsum
  7.e-6
  *TITLE
  rigid bar impacting aluminum (typ 14 contact)                           
  *CONTROL_TERMINATION
   7.00000-4         0 0.0000000         0 0.0000000
  *CONTROL_TIMESTEP
   0.0000000 0.9000000         0 0.0000000 0.0000000         0         0         0
  *CONTROL_SHELL
   0.0000000         0         0         0         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
   2.00000-5                   0
  *DATABASE_BINARY_D3THDT
   10.000000
  *DATABASE_EXTENT_BINARY
           0         0         0         0         0         0         0         0
           0         0         0         0         0         0
  *CONTROL_CPU
   0.0000000
  *MAT_RIGID
           1 7.73300-4 2.90000+7 0.3000000 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
  *MAT_PIECEWISE_LINEAR_PLASTICITY
           2 3.00000-4 1.00000+7 0.2000000 20000.000 1.00000+5 0.1500000 0.0000000
   0.0000000 0.0000000         0         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
  *SECTION_SOLID
           1         0
  *SECTION_SOLID
           2         0
  *PART
   
           1         1         1         0         0         0         0         0
  *PART
   
           2         2         2         0         0         0         0         0
  *NODE
  $
  *ELEMENT_SOLID
  $
  *INITIAL_VELOCITY_NODE
  $
  $ INTERFACE NAME: 1          $$$
  *CONTACT_ERODING_SURFACE_TO_SURFACE              
           1         2         2         2         0         0         0         0
   0.0000000 0.0000000 0.0000000 0.0000000 0.0000000         0 0.0000000 0.0000000
   0.0000000 0.0000000 0.0000000 0.0000000 0.0000000 0.0000000
           1         1
  *SET_PART
           1
           2
  *SET_PART
           2
           1
  *SET_SEGMENT
  $
  $ Slave segments, surface:   1
  $
           1
  *SET_SEGMENT
  $
  $ Master segments, surface:   1
  $
           2
  *END

Figures

Figures

This example has been taken from the introductory class of Jim Day. Example name: typ14-m24.k

image01.gif

image02.gif

Animated Result

Animated Result

This example has been taken from the introductory class of Jim Day. Example name: typ14-m24.k

Result

Download

Download

This example has been taken from the introductory class of Jim Day. Example name: typ14-m24.k