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# Reduced Input

*Node and *Element Cards are removed.
```  *KEYWORD
*TITLE
Pendulum with 2 spheres colliding
\$
\$  LSTC Example
\$
\$  - uses *DEFORMABLE_TO_RIGID option to decrease execution time before impact
\$
\$  - one sphere is given an initial velocity (gravity alone just takes
\$      too long for the pendulum to swing)
\$
\$
\$  Last Modified: September 16, 1997
\$
\$  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
11.0         0       0.0       0.0       0.0
\$
*CONTROL_CONTACT
\$   slsfac    rwpnal    islchk    shlchk    penopt    thkchg     orien
2
\$   usrstr    usrfrc     nsbcs    interm     xpene

\$
*CONTROL_ENERGY
\$     hgen      rwen    slnten     rylen
2         2
\$
*CONTROL_OUTPUT
\$    npopt    neecho    nrefup    iaccop     opifs    ipnint    ikedit
1         3
\$
*CONTROL_SHELL
\$   wrpang    itrist     irnxx    istupd    theory       bwc     miter
1         2
\$
\$
*DATABASE_BINARY_D3PLOT
\$       dt      lcdt
1.00
\$
*DATABASE_EXTENT_BINARY
\$    neiph     neips    maxint    strflg    sigflg    epsflg    rltflg    engflg

\$   cmpflg    ieverp    beamip
1
\$
*DATABASE_BINARY_D3THDT
\$       dt      lcdt
999999
\$
\$
*DATABASE_GLSTAT
\$       dt
0.10
\$
*DATABASE_MATSUM
\$       dt
0.10
\$
*DATABASE_NODOUT
\$       dt
0.10
\$
*DATABASE_HISTORY_NODE
\$      id1       id2       id3
350       374       678       713
\$
*DATABASE_RBDOUT
\$       dt
0.10
\$
\$
\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$
\$
\$\$\$\$  Define Contacts - Sliding Interfaces
\$
\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$
\$
\$...>....1....>....2....>....3....>....4....>....5....>....6....>....7....>....8
\$
*CONTACT_AUTOMATIC_SINGLE_SURFACE
\$     ssid      msid     sstyp     mstyp
0
\$  Equating ssid to zero means that all segments are included
\$
\$       fs        fd
0.08      0.08

\$
\$
\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$
\$
\$\$\$\$  Gravity
\$
\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$
\$
*LOAD_BODY_Y
\$     lcid        sf    lciddr        xc        yc        zc
1   0.00981
\$
*DEFINE_CURVE
\$     lcid      sidr      scla      sclo      offa      offo
1
\$           abscissa            ordinate
\$
0.00               1.000
10000.00               1.000
\$
\$
\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$
\$
\$\$\$\$  Boundary and Initial Conditions
\$
\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$
\$
\$...>....1....>....2....>....3....>....4....>....5....>....6....>....7....>....8
\$
\$\$\$\$  Constrain translation of end points of beams
\$
*BOUNDARY_SPC_NODE
\$      nid       cid      dofx      dofy      dofz     dofrx     dofry     dofrz
45004         0         1         1         1         0         0         0
45005         0         1         1         1         0         0         0
45010         0         1         1         1         0         0         0
45011         0         1         1         1         0         0         0
\$
\$
\$\$\$\$  The nodes within box 5 are given an initial velocity.
\$
*INITIAL_VELOCITY
\$     nsid    nsidex     boxid
5
\$
\$       vx        vy        vz        wx        wy        wz
0.0     -12.0       0.0
\$
*DEFINE_BOX
\$    boxid       xmm       xmx       ymn       ymx       zmn       zmx
5    -120.0     -80.0      80.0     120.0     -30.0      30.0
\$
\$
\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$
\$
\$\$\$\$  Define Parts and Materials
\$
\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$
\$
\$...>....1....>....2....>....3....>....4....>....5....>....6....>....7....>....8
\$
\$\$\$\$\$   SPHERES
\$
*PART
\$      pid       sid       mid     eosid      hgid    adpopt
sphere1
1         1         1
sphere2
2         2         1
\$
\$
\$\$\$\$ Materials
\$
\$  Aluminum
\$
*MAT_PLASTIC_KINEMATIC
\$      mid        ro         e        pr      sigy      etan      beta
1   2.70e-6      68.9     0.330     0.286   0.00689
\$      src       srp        fs

\$
\$\$\$\$ Sections
\$
\$
*SECTION_SHELL
\$
\$      sid    elform      shrf       nip     propt   qr/irid     icomp
1         2
\$       t1        t2        t3        t4      nloc
1.0       1.0       1.0       1.0
\$
*SECTION_SHELL
\$
\$      sid    elform      shrf       nip     propt   qr/irid     icomp
2         2
\$       t1        t2        t3        t4      nloc
1.0       1.0       1.0       1.0
\$
\$
\$\$\$\$\$   PENDULUM WIRES - ELASTIC BEAMS
\$
*PART
\$      pid       sid       mid     eosid      hgid    adpopt
Pendulum Wires - Elastic Beams
45        45        45
\$
\$
*MAT_ELASTIC
\$      mid        ro         e        pr        da        db         k
45   7.86e-6     210.0      0.30
\$
\$
*SECTION_BEAM
\$      sid    elform      shrf   qr/irid       cst
45         3   1.00000       1.0
\$ res:   a       iss       itt       irr        sa
10.0
\$
\$
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\$
\$\$\$\$  Deformable Switching
\$
\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$
\$
\$...>....1....>....2....>....3....>....4....>....5....>....6....>....7....>....8
\$
*DEFORMABLE_TO_RIGID
\$      pid       mrb
1
\$
*DEFORMABLE_TO_RIGID
\$      pid       mrb
2
\$
\$
\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$
\$
\$\$\$\$  Define Nodes
\$
\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$
\$
\$...>....1....>....2....>....3....>....4....>....5....>....6....>....7....>....8
\$
\$
*END```