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Contact Friction III

This example is to demonstrate static and dynamic friction between a solid cube and a shell plate. Surface to surface contact is employed. Download is available in the download section of this document.

Keywords

Keywords

The used Keywords in alphabetical order.

*BOUNDARY_SPC_NODE
*CONTACT_SURFACE_TO_SURFACE
*CONTROL_CONTACT
*CONTROL_DYNAMIC_RELAXATION
*CONTROL_TERMINATION
*DATABASE_BINARY_D3PLOT
*DATABASE_GLSTAT
*DATABASE_RCFORC
*DEFINE_CURVE
*DEFINE_CURVE
*ELEMENT_SOLID
*END
*KEYWORD
*LOAD_BODY_Z
*LOAD_NODE_POINT
*MAT_ELASTIC
*NODE
*PART
*SECTION_SHELL
*SECTION_SOLID
*TITLE

Reduced Input

Reduced Input

*Node and *Element Cards are removed.

  *KEYWORD
  *TITLE
  10 Kg SOLID CUBE-on-SHELL PLATE (DC=1.0e20)
  $ This example is to demonstrate friction
  $ static and dynamic friction
  $ friction transition
  $ 50x50x50 mm solid cube (10 Kg) on a 100x100 mm plate
  $ Units mm, N, S, ton
  $ A. Tabiei, 1-6-98
  $---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8
  *CONTROL_TERMINATION
      0.0600   
  $---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8
  *CONTROL_CONTACT
                               2         2
  
  $---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8
  *CONTROL_DYNAMIC_RELAXATION
         250     0.001     0.995      0.01         1         0      0.04         1
  $---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8
  *DATABASE_BINARY_D3PLOT
       0.005
  *DATABASE_RCFORC
      0.0001
  *DATABASE_GLSTAT
      0.0001
  $---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8
  *PART
  PLATE-SHELL
           1         1         1 
  *PART
  BLOCK-SOLID
           3         3         3  
  $---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8
  *MAT_ELASTIC
           1 7.890E-09 2.100E+05 3.000E-01
  *MAT_ELASTIC
           3 8.000E-08 2.100E+05 3.000E-01
  $---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8
  *SECTION_SHELL
           1         2 0.000E+00 3.000E+00 0.000E+00 0.000E+00
   5.000E-00 5.000E-00 5.000E-00 5.000E-00 0.000E+00
  $---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8
  *SECTION_SOLID
           3         1
  $---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8
  *DEFINE_CURVE
           1
  0.00000000000000E+00 0.0000000000000E+00
  0.06000000000000E+00 2.4000000000000E+01
  *LOAD_NODE_POINT
  $
  $---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8
  *DEFINE_CURVE                                                                   
  $     LCID      SIDR                    
           2         2                                                            
  $                 A1                  O1                                    
       0.0000000000000     0.980600000E+04  
       0.0600000000000     0.980600000E+04
  *LOAD_BODY_Z
           2 1.0
  $---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8
  *CONTACT_SURFACE_TO_SURFACE 
  $     SSID      MSID     SSTYP     MSTYP    SBOXID    MBOXID       SPR       MPR
           3         1         3         3         0         0         0         0
  $       FS        FD        DC         V       VDC    PENCHK        BT        DT
   2.000E-01 1.500E-01 1.000E+20 0.000E+00 0.000E+00         0 0.000E+00 1.000E+20
  $      SFS       SFM       SST       MST      SFST      SFMT       FSF       VSF
   0.100E+01 0.100E+01 0.000E+00 0.000E+00 0.100E+01 0.100E+01 0.100E+01 0.100E+01
  $---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8
  *NODE
  $
  $---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8
  *ELEMENT_SOLID
  $
  $---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8
  *BOUNDARY_SPC_NODE
  $
  $---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8
  *END

Figures

Figures

image01.gif

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