Sphere Plate

Sphere impacting a plate. Exercise to define initial conditions and failure.

*BOUNDARY_SPC_NODE
*CONSTRAINED_TIED_NODES_FAILURE
*CONTROL_ENERGY
*CONTROL_OUTPUT
*CONTROL_TERMINATION
*DATABASE_BINARY_D3PLOT
*DATABASE_BINARY_D3THDT
*DATABASE_EXTENT_BINARY
*DATABASE_GLSTAT
*DATABASE_HISTORY_NODE
*DATABASE_MATSUM
*DATABASE_NODOUT
*DATABASE_RBDOUT
*DATABASE_RCFORC
*DATABASE_SLEOUT
*ELEMENT_SHELL
*ELEMENT_SOLID
*END
*KEYWORD
*MAT_PIECEWISE_LINEAR_PLASTICITY
*MAT_RIGID
*NODE
*PART
*SECTION_SHELL
*SECTION_SOLID
*SET_NODE_LIST
*TITLE

  *KEYWORD
  *TITLE
  Rigid sphere on top of a plate
  $
  $
  $  * Part 2 - plate
  $      Shells (2.5 mm thick)
  $      Mild steel (with strain rate effect)
  $      Constrained on all four edges
  $ 
  $  * Part 3 - sphere
  $      Solids
  $      Rigid
  $
  $
  $  John D. Reid  2/2/95, 9/9/96, 2/17/98
  $
  $  Units: mm, kg, ms, kN, GPa, kN-mm
  $
  $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
  $
  $$$$  Control Ouput
  $
  $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
  $
  $...>....1....>....2....>....3....>....4....>....5....>....6....>....7....>....8
  $
  *CONTROL_TERMINATION 
  $   endtim    endcyc     dtmin    endeng    endmas
        0.80
  $
  *CONTROL_ENERGY
  $     hgen      rwen    slnten     rylen
           2         2         2
  $
  *CONTROL_OUTPUT
  $    npopt    neecho    nrefup    iaccop     opifs    ipnint    ikedit
           1         3
  $
  *DATABASE_BINARY_D3PLOT
  $       dt       lcdt
         0.1
  $
  *DATABASE_EXTENT_BINARY
  $    neiph     neips    maxint    strflg    sigflg    epsflg    rltflg    engflg
  
  $
  $   cmpflg    ieverp    beamip
                     1
  $
  *DATABASE_BINARY_D3THDT
  $       dt       lcdt
      999999
  $
  *DATABASE_HISTORY_NODE
  $      id1       id2       id3       id4       id5       id6       id7       id8
        2633       362       489
  $
  *DATABASE_NODOUT
  $       dt
       0.005
  $
  *DATABASE_GLSTAT
  $       dt
       0.005
  $
  *DATABASE_MATSUM
  $       dt
       0.005
  $
  *DATABASE_RBDOUT
  $       dt
       0.005
  $
  *DATABASE_RCFORC
  $       dt
       0.005
  $
  *DATABASE_SLEOUT
  $       dt
       0.005
  $
  $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
  $
  $$$$  Define Parts and Materials
  $
  $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
  $
  $...>....1....>....2....>....3....>....4....>....5....>....6....>....7....>....8
  $ 
  $$$ Part    2    shell: plate
  $
  $$$ Part    3    solid: sphere
  $ 
  $
  *PART
  $
  $      pid       sid       mid     eosid      hgid      grav    adpopt
  plate
           2         1         1
  $
  sphere
           3         2         2
  $ 
  $ 
  $$$$  Materials
  $
  *MAT_PIECEWISE_LINEAR_PLASTICITY
  $
  $      mid        ro         e        pr      sigy      etan      eppf      tdel
           1 0.783E-05     200.0       0.3     0.207               0.750
  $  Cowper/Symonds Strain Rate Parameters
  $        c         p      lcss      lcsr
          40         5
  $  Plastic stress/strain curves
       0.000     0.080     0.160     0.400     1.000
       0.207     0.250     0.275     0.290     0.300
  $
  $ 
  *MAT_RIGID
  $
  $      mid        ro         e        pr         n    couple         m     alias
           2 0.783E-05     200.0       0.3  
  $
  $      cmo      con1      con2
  
  $
  $   lco/a1        a2        a3        v1        v2        v3
  
  $
  $
  $$$$  Sections
  $
  *SECTION_SHELL
  $      sid    elform      shrf       nip     propt   qr/irid     icomp
           1         2                 3.0
  $       t1        t2        t3        t4      nloc
        2.50      2.50      2.50      2.50
  $
  *SECTION_SOLID
  $
  $      sid    elform
           2
  $
  $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
  $
  $$$$  Boundary and Initial Conditions
  $
  $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
  $
  $...>....1....>....2....>....3....>....4....>....5....>....6....>....7....>....8
  $
  $ Nodal single point constraints
  $
  *BOUNDARY_SPC_NODE
  $
  $      nid       cid      dofx      dofy      dofz     dofrx     dofry     dofrz
  $
  $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
  $
  $$$$  Define Nodes and Elements
  $
  $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
  $
  $...>....1....>....2....>....3....>....4....>....5....>....6....>....7....>....8
  $
  $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
  $
  $$$$  Define Tied Nodes with Failure Constraints
  $
  $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
  $
  $...>....1....>....2....>....3....>....4....>....5....>....6....>....7....>....8
  $
  *CONSTRAINED_TIED_NODES_FAILURE
  $     nsid      eppf
         101    0.0850
  *SET_NODE_LIST
  $      sid
         101
         775       778       896       897
  $
  *END