Reduced Input
*Node and *Element Cards are removed.
*KEYWORD
*TITLE
square cross section for single surface contact and adaptivity test
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$ LSTC Example
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$ Last Modified: October 15, 1997
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$ Units: ton, mm, s, N, MPa, N-mm
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$$$$ Control Ouput
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$...>....1....>....2....>....3....>....4....>....5....>....6....>....7....>....8
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*CONTROL_TERMINATION
$ endtim endcyc dtmin endneg endmas
3.000E-03
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*CONTROL_ENERGY
$ hgen rwen slnten rylen
2 2 2
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*CONTROL_OUTPUT
$ npopt neecho nrefup iaccop opifs ipnint ikedit
1 3
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*DATABASE_BINARY_D3PLOT
$ dt lcdt
0.999e-4
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*DATABASE_GLSTAT
$ dt
0.00002
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*DATABASE_MATSUM
$ dt
0.00002
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$$$$ Adaptivity
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$...>....1....>....2....>....3....>....4....>....5....>....6....>....7....>....8
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*CONTROL_ADAPTIVE
$ adpfreq adptol adpopt maxlvl tbirth tdeath lcadp ioflag
1.0e-4 5.0 2 2 0.0 0.0 0
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*CONTROL_SUBCYCLE
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$$$$ Initial Conditions
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$...>....1....>....2....>....3....>....4....>....5....>....6....>....7....>....8
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*INITIAL_VELOCITY_NODE
$ nid vx vy vz vxr vyr vzr
650.0000E+00-0.5646E+40.0000E+00
660.0000E+00-0.5646E+40.0000E+00
990.0000E+00-0.5646E+40.0000E+00
1320.0000E+00-0.5646E+40.0000E+00
1650.0000E+00-0.5646E+40.0000E+00
1980.0000E+00-0.5646E+40.0000E+00
4230.0000E+00-0.5646E+40.0000E+00
4560.0000E+00-0.5646E+40.0000E+00
4890.0000E+00-0.5646E+40.0000E+00
5220.0000E+00-0.5646E+40.0000E+00
5550.0000E+00-0.5646E+40.0000E+00
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$$$$ Constraints
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$...>....1....>....2....>....3....>....4....>....5....>....6....>....7....>....8
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*CONSTRAINED_NODE_SET
$ nsid dof
11 2
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*SET_NODE
$ sid da1
11 11
$ nid1 nid2 nid3 nid4 nid5 nid6 nid7 nid8
65 66 99 132 165 198 423 456
489 522 555
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$$$$ Define Contacts - sliding interface definitions
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$...>....1....>....2....>....3....>....4....>....5....>....6....>....7....>....8
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*CONTACT_AUTOMATIC_SINGLE_SURFACE
$ ssid msid sstyp mstyp sboxid mboxid spr mpr
1 0 2 0
$ fs fd dc vc vdc penchk bt dt
$ sfs sfm sst mst sfst sfmt fsf vsf
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*SET_PART
$ sid da1
1 1
$ pid
1
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$$$$ Define Parts and Materials
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$...>....1....>....2....>....3....>....4....>....5....>....6....>....7....>....8
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*PART
$ pid sid mid eosid hgid grav adpopt
square-tube
1 1 1 0 0 0 1
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*MAT_PLASTIC_KINEMATIC
$ mid ro e pr sigy etan beta
1 7.850E-09 1.994E+05 3.000E-01 3.366E+02 1.000E+00 1.000E+00 0.000E+00
$ src srp fs
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*SECTION_SHELL
$ sid elform shrf nip propt qr/irid icomp
1 2 1. 3. 0. 0. 0
$ t1 t2 t3 t4 nloc
1.2 1.2 1.2 1.2
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$$$$ Define Nodes and Elements
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$...>....1....>....2....>....3....>....4....>....5....>....6....>....7....>....8
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$...>....1....>....2....>....3....>....4....>....5....>....6....>....7....>....8
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$$$$$ Elements - Discrete Masses
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*ELEMENT_MASS
$ eid nid mass
65 65 1.000E-02
66 66 1.000E-02
99 99 1.000E-02
132 132 1.000E-02
165 165 1.000E-02
198 198 5.000E-03
423 423 1.000E-02
456 456 1.000E-02
489 489 1.000E-02
522 522 1.000E-02
555 555 5.000E-03
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*END