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# Reduced Input

*Node and *Element Cards are removed.
*KEYWORD
*TITLE
Symmetric Short Crush Tube Impacted by a Moving Wall
\$
\$  LSTC Example
\$
\$
\$ Symmetric model - 1/4 of the tube
\$   - Remove corner elements on desired initial crush area (2 shells)
\$       shells commented out: 409, 410
\$
\$  Units: mm, kg, ms, kN, GPa, kN-mm
\$
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\$
\$\$\$\$  Control Ouput
\$
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\$
\$...>....1....>....2....>....3....>....4....>....5....>....6....>....7....>....8
\$
*CONTROL_TERMINATION
\$   endtim    endcyc     dtmin    endneg    endmas
15.01         0       0.0       0.0       0.0
\$
*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
1.0
\$
*DATABASE_EXTENT_BINARY
\$    neiph     neips    maxint    strflg    sigflg    epsflg    rltflg    engflg

\$   cmpflg    ieverp    beamip
1
\$
*DATABASE_BINARY_D3THDT
\$       dt       lcdt
999999
\$
*DATABASE_GLSTAT
\$       dt
0.1
\$
*DATABASE_MATSUM
\$       dt
0.1
\$
*DATABASE_NODOUT
\$       dt
0.1
\$
*DATABASE_HISTORY_NODE
\$      id1       id2       id3       id4       id5       id6       id7       id8
99999       414       486
\$
*DATABASE_RWFORC
\$       dt
0.1
\$
*DATABASE_SLEOUT
\$       dt
0.1
\$
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\$
\$\$\$\$  Define Contacts - Sliding Interfaces
\$
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\$
\$...>....1....>....2....>....3....>....4....>....5....>....6....>....7....>....8
\$
*CONTACT_AUTOMATIC_SINGLE_SURFACE
\$     ssid      msid     sstyp     mstyp    sboxid    mboxid       spr       mpr
0
\$  Equating ssid to zero means that all segments are included in the contact
\$
\$       fs        fd        dc        vc       vdc    penchk        bt        dt
0.08      0.08
\$
\$      sfs       sfm       sst       mst      sfst      sfmt       fsf       vsf

\$
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\$
\$\$\$\$  Define Rigidwalls
\$
\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$
\$
\$...>....1....>....2....>....3....>....4....>....5....>....6....>....7....>....8
\$
*RIGIDWALL_PLANAR_MOVING_FORCES
\$     nsid    nsidex     boxid
0         0         0
\$
\$       xt        yt        zt        xh        yh        zh      fric
0.0       0.0     274.0       0.0       0.0       0.0       1.0
\$
\$  sw mass    sw vel
800.000   8.94000
\$
\$     soft      ssid     node1     node2     node3     node4
0         0     99999
\$
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\$
\$\$\$\$  Define Parts and Materials
\$
\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$
\$
\$...>....1....>....2....>....3....>....4....>....5....>....6....>....7....>....8
\$
*PART
\$      pid       sid       mid     eosid      hgid      grav    adpopt
corner1
1         1         1
\$
\$
*MAT_PIECEWISE_LINEAR_PLASTICITY
\$      mid        ro         e        pr      sigy      etan      eppf      tdel
1 7.830E-06     200.0       0.3     0.207               0.750
\$
\$        c         p      lcss      lcsr
40         5
\$  PLASTIC STRESS/STRAIN CURVES
\$     eps1      eps2      eps3      eps4      eps5      eps6      eps7      eps8
0.000     0.080     0.160     0.400     0.750
\$      es1       es2       es3       es4       es5       es6       es7       es8
0.207     0.250     0.275     0.290     0.300
\$
\$
*SECTION_SHELL
\$      sid    elform      shrf       nip     propt   qr/irid     icomp
1         2              3.0000
\$       t1        t2        t3        t4      nloc
2.00      2.00      2.00      2.00
\$
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\$
\$\$\$\$  Define Constraints and Boundary
\$
\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$
\$
\$...>....1....>....2....>....3....>....4....>....5....>....6....>....7....>....8
\$
\$ Nodal single point constraints (SPC's)
\$   - fix on bottom of tube
\$   - symmetry along both sides of tube
\$
*BOUNDARY_SPC_NODE
\$      nid cid x y z rx ry rz
1,  0,1,1,1, 1, 1, 1
2,  0,1,1,1, 1, 1, 1
3,  0,1,1,1, 1, 1, 1
4,  0,1,1,1, 1, 1, 1
5,  0,1,1,1, 1, 1, 1
6,  0,1,1,1, 1, 1, 1
7,  0,1,1,1, 1, 1, 1
414,  0,1,1,1, 1, 1, 1
415,  0,1,1,1, 1, 1, 1
532,  0,1,1,1, 1, 1, 1
533,  0,1,1,1, 1, 1, 1
534,  0,1,1,1, 1, 1, 1
535,  0,1,1,1, 1, 1, 1
536,  0,1,1,1, 1, 1, 1
537,  0,0,1,0, 1, 0, 1
542,  0,0,1,0, 1, 0, 1
547,  0,0,1,0, 1, 0, 1
552,  0,0,1,0, 1, 0, 1
557,  0,0,1,0, 1, 0, 1
562,  0,0,1,0, 1, 0, 1
567,  0,0,1,0, 1, 0, 1
572,  0,0,1,0, 1, 0, 1
577,  0,0,1,0, 1, 0, 1
582,  0,0,1,0, 1, 0, 1
587,  0,0,1,0, 1, 0, 1
592,  0,0,1,0, 1, 0, 1
597,  0,0,1,0, 1, 0, 1
602,  0,0,1,0, 1, 0, 1
607,  0,0,1,0, 1, 0, 1
612,  0,0,1,0, 1, 0, 1
617,  0,0,1,0, 1, 0, 1
622,  0,0,1,0, 1, 0, 1
627,  0,0,1,0, 1, 0, 1
632,  0,0,1,0, 1, 0, 1
637,  0,0,1,0, 1, 0, 1
642,  0,0,1,0, 1, 0, 1
647,  0,0,1,0, 1, 0, 1
652,  0,0,1,0, 1, 0, 1
657,  0,0,1,0, 1, 0, 1
662,  0,0,1,0, 1, 0, 1
667,  0,0,1,0, 1, 0, 1
672,  0,0,1,0, 1, 0, 1
677,  0,0,1,0, 1, 0, 1
682,  0,0,1,0, 1, 0, 1
687,  0,0,1,0, 1, 0, 1
692,  0,0,1,0, 1, 0, 1
697,  0,0,1,0, 1, 0, 1
702,  0,0,1,0, 1, 0, 1
707,  0,0,1,0, 1, 0, 1
712,  0,0,1,0, 1, 0, 1
14,  0,1,0,0, 0, 1, 1
21,  0,1,0,0, 0, 1, 1
28,  0,1,0,0, 0, 1, 1
35,  0,1,0,0, 0, 1, 1
42,  0,1,0,0, 0, 1, 1
49,  0,1,0,0, 0, 1, 1
56,  0,1,0,0, 0, 1, 1
63,  0,1,0,0, 0, 1, 1
70,  0,1,0,0, 0, 1, 1
77,  0,1,0,0, 0, 1, 1
84,  0,1,0,0, 0, 1, 1
91,  0,1,0,0, 0, 1, 1
98,  0,1,0,0, 0, 1, 1
105,  0,1,0,0, 0, 1, 1
112,  0,1,0,0, 0, 1, 1
119,  0,1,0,0, 0, 1, 1
126,  0,1,0,0, 0, 1, 1
133,  0,1,0,0, 0, 1, 1
140,  0,1,0,0, 0, 1, 1
147,  0,1,0,0, 0, 1, 1
154,  0,1,0,0, 0, 1, 1
161,  0,1,0,0, 0, 1, 1
168,  0,1,0,0, 0, 1, 1
175,  0,1,0,0, 0, 1, 1
182,  0,1,0,0, 0, 1, 1
189,  0,1,0,0, 0, 1, 1
196,  0,1,0,0, 0, 1, 1
203,  0,1,0,0, 0, 1, 1
210,  0,1,0,0, 0, 1, 1
217,  0,1,0,0, 0, 1, 1
224,  0,1,0,0, 0, 1, 1
231,  0,1,0,0, 0, 1, 1
238,  0,1,0,0, 0, 1, 1
245,  0,1,0,0, 0, 1, 1
252,  0,1,0,0, 0, 1, 1
259,  0,1,0,0, 0, 1, 1
\$
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\$
\$\$\$\$  Define Nodes and Elements
\$
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\$
\$...>....1....>....2....>....3....>....4....>....5....>....6....>....7....>....8
\$
\$
*END