Projectile

A half of a projectile impacting a plate is modeled. The material is defined with a strain failure criteria. Contact itself is not specified, for specification of e.g. eroding contact look at file projectile-block.k.

*CONTACT_FORCE_TRANSDUCER_PENALTY
*CONTROL_CONTACT
*CONTROL_ENERGY
*CONTROL_OUTPUT
*CONTROL_PARALLEL
*CONTROL_TERMINATION
*DATABASE_BINARY_D3PLOT
*DATABASE_BINARY_D3THDT
*DATABASE_EXTENT_BINARY
*DATABASE_GLSTAT
*DATABASE_MATSUM
*DATABASE_RCFORC
*DATABASE_SLEOUT
*ELEMENT_SOLID
*END
*INITIAL_VELOCITY_GENERATION
*KEYWORD
*MAT_PLASTIC_KINEMATIC
*NODE
*PART
*SECTION_SOLID
*SET_PART
*TITLE

  *KEYWORD
  *TITLE
  Projectile Penetrating Plate
  $
  $  LSTC Example
  $
  $  Last Modified: September 8, 1997
  $                 July 13, 2000
  $
  $   Units: gram, cm, microsec, 1e+07 N, Mbar, 1e+07 N-cm
  $
  $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
  $
  $$$$  Control Ouput
  $
  $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
  $
  $...>....1....>....2....>....3....>....4....>....5....>....6....>....7....>....8
  $
  *CONTROL_PARALLEL
  $     ncpu    numrhs      accu
           1
  $
  *CONTROL_TERMINATION
  $   endtim    endcyc     dtmin    endneg    endmas
        70.0
  $
  *CONTROL_CONTACT
  $   slsfac    rwpnal    islchk    shlthk    penopt    thkchg     orien
         1.0
  $   usrstr    usrfac     nsbcs    interm    xpenen
  
  $
  *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
         5.0
  $
  *DATABASE_EXTENT_BINARY
  $    neiph     neips    maxint    strflg    sigflg    epsflg    rltflg    engflg
  
  $          ieverp = 1 put each plot state in separate d3plot files
  $   cmpflg    ieverp    beamip
                     1
  $
  *DATABASE_BINARY_D3THDT
  $       dt      lcdt
      999999
  $
  *DATABASE_GLSTAT
  $       dt
        0.10
  $
  *DATABASE_MATSUM
  $       dt
        0.10
  $
  *DATABASE_RCFORC
  $       dt
        0.10
  $
  *DATABASE_SLEOUT
  $       dt
        0.10
  $
  $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
  $
  $$$$  Define Contacts
  $
  $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
  $
  $...>....1....>....2....>....3....>....4....>....5....>....6....>....7....>....8
  $
  $$$  Force Transducer - contact forces on projectile: part 1
  $
  *CONTACT_FORCE_TRANSDUCER_PENALTY 
  $     ssid      msid     sstyp     mstyp
           1                   3
  
   
  $
  $$$  Force Transducer - contact forces on plate: part 2
  $
  *CONTACT_FORCE_TRANSDUCER_PENALTY 
  $     ssid      msid     sstyp     mstyp
           2                   3
  
   
  $
  $
  $$$$$   Define contact between projectile and plate.
  $
  $*CONTACT_
  $     ssid      msid     sstyp     mstyp    sboxid    mboxid       spr       mpr
  $
  $  
  $       fs        fd        dc        vc       vdc    penchk        bt        dt
  $
  $
  $      sfs       sfm       sst       mst      sfst      sfmt       fsf       vsf
  $
  $
  $$$  card 4: only required for eroding contact
  $     isym    erosop      iadj
  $
  $
  $
  $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
  $
  $$$$  Initial Conditions
  $
  $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
  $
  $$$$  Assign an initial velocity to the projectile (part 1) angled down
  $$$$  towards the plate.
  $
  $...>....1....>....2....>....3....>....4....>....5....>....6....>....7....>....8
  $
  *INITIAL_VELOCITY_GENERATION
  $      sid      styp     omega        vx        vy        vz
           1         1           1.246E-01 0.000E+00-3.339E-02
  $
  $       xc        yc        zc        nx        ny        nz     phase
   
  $
  *SET_PART
           1
           1
  $
  $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
  $
  $$$$  Define Parts and Materials
  $
  $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
  $
  $...>....1....>....2....>....3....>....4....>....5....>....6....>....7....>....8
  $
  *PART
  $      pid       sid       mid     eosid      hgid    adpopt
  Projectile            
           1         1         1
  Plate
           2         1         2
  $
  $
  $$$$$$  Materials
  $
  $$$$  failure strain for erosion of the projectile and plate elements are
  $$$$  set as:  fs = 0.8 
  $
  *MAT_PLASTIC_KINEMATIC
  $      mid        ro         e        pr      sigy      etan      beta
           1 1.862E+01 1.170E+00      0.22 1.790E-02                 1.0
  $      src       srp        fs
                             0.8
  $
  $
  *MAT_PLASTIC_KINEMATIC
  $      mid        ro         e        pr      sigy      etan      beta
           2 7.896E+00 2.100E+00     0.284 1.000E-02                 1.0
  $      src       srp        fs
                             0.8
  $
  $
  $$$$$$  Sections
  $
  *SECTION_SOLID
  $      sid    elform
           1         0
  $
  $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
  $
  $$$$  Define Nodes and Elements
  $
  $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
  $
  *END