Reduced Input
*Node and *Element Cards are removed.
*KEYWORD
*TITLE
A simple tire bouncing on the ground with damping.
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$ LSTC Example
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$ Last Modified: October 13, 1997
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$ Units: mm, kg, ms, kN, GPa, kN-mm
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$$$$ Control Ouput
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$...>....1....>....2....>....3....>....4....>....5....>....6....>....7....>....8
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*CONTROL_TERMINATION
$ endtim endcyc dtmin endeng endmas
40.01
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*CONTROL_ENERGY
$ hgen rwen slnten rylen
2 2 2 2
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*CONTROL_OUTPUT
$ npopt neecho nrefup iaccop opifs ipnint ikedit
1 3
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*DATABASE_BINARY_D3PLOT
$ dt lcdt
10.0
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*DATABASE_BINARY_D3THDT
$ dt lcdt
999999
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*DATABASE_GLSTAT
$ dt
0.1
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*DATABASE_MATSUM
$ dt
0.1
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*DATABASE_NODOUT
$ dt
0.1
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*DATABASE_HISTORY_NODE
$ id1 id2 id3 id4 id5 id6 id7 id8
8914 8746 8918
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*DATABASE_RCFORC
$ dt
0.1
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*DATABASE_RWFORC
$ dt
0.1
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$$$$ Damping
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*DAMPING_GLOBAL
$ lcid valdmp
0 0.5
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*CONTROL_DYNAMIC_RELAXATION
$ nrcyck drtol drfctr drterm tssfdr irelal edttl idrflg
100 1.0e-3 0.995 0.9
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$$$$ Gravity
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$...>....1....>....2....>....3....>....4....>....5....>....6....>....7....>....8
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*LOAD_BODY_Z
$ lcid df lciddr xc yc zc
1 9.810E-03
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*DEFINE_CURVE
$ lcid sidr scla sclo offa offo
1
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$ abscissa ordinate
0.00 1.000
1000.00 1.000
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$$$$ Define Contacts - sliding interface definitions
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$...>....1....>....2....>....3....>....4....>....5....>....6....>....7....>....8
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$$$$ Prevent the nodes of the tire from penetrating the ground.
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*CONTACT_NODES_TO_SURFACE
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$ ssid msid sstyp mstyp sboxid mboxid spr mpr
36 76 3 3
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$ fs fd dc vc vdc penchk bt dt
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$ sfs sfm sst mst sfst sfmt fsf vsf
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$$$$ Define Parts and Materials
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*PART
$ pid sid mid eosid hgid grav adpopt
wheel
35 1 1
tire
36 1 1
ground
76 76 2
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$$$$ Materials
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*MAT_PIECEWISE_LINEAR_PLASTICITY
$ mid ro e pr sigy etan eppf tdel
1 0.783E-05 200.0 0.3 0.207 0.750
$ Cowper/Symonds Strain Rate Parameters
$ C p lcss lcsr
40 5
$ Plastic stress/strain curves
0.000 0.080 0.160 0.400 1.000
0.207 0.250 0.275 0.290 0.300
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*MAT_RIGID
$ mid ro e pr n couple m alias
2 0.783E-05 200.0 0.3
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$ cmo con1 con2
1.0 7 7
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$ lco/a1 a2 a3 v1 v2 v3
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$$$$ Sections
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*SECTION_SHELL
$ sid elform shrf nip propt qr/irid icomp
1 6 3.0000
$ t1 t2 t3 t4 nloc
1.00 1.00 1.00 1.00
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*SECTION_SOLID
76 1
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$$$$ Define Nodes and Elements
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*END