Reduced Input
*Node and *Element Cards are removed.
*KEYWORD
*TITLE
Tire Compression Model
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$ name part #
$ ------------------------
$ tire tire-fl 65
$ wheel wheel-fl 66
$
$ - tire is pressurized using an *AIRBAG_SIMPLE_PRESSURE_VOLUME
$ - it takes approximately 20 ms to stabilize the pressurization
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$ John D. Reid 1/28/00
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$ Units: mm, kg, ms, kN, GPa, kN-mm
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$$$$ Control Ouput
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$...>....1....>....2....>....3....>....4....>....5....>....6....>....7....>....8
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*CONTROL_TERMINATION
$ endtim endcyc dtmin endeng endmas
60.0
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*CONTROL_OUTPUT
$ npopt neecho nrefup iaccop opifs ipnint ikedit
1 3
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*CONTROL_ENERGY
$ hgen rwen slnten rylen
2 2 2 2
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$
*DATABASE_BINARY_D3PLOT
$ dt lcdt
2.0
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*DATABASE_BINARY_D3THDT
$ dt lcdt
999999
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*DATABASE_ABSTAT
$ dt
0.1
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*DATABASE_GLSTAT
$ dt
0.1
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*DATABASE_MATSUM
$ dt
0.1
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*DATABASE_NODOUT
$ dt
0.1
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*DATABASE_HISTORY_NODE
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$ node location
$ 65016 - at minimum z (on tire)
$ 65088 - at maximum z (on tire)
$ 65124 - at maximum x (on tire)
$ 65052 - at minimum x (on tire)
$ 65474 - center of wheel
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$ id1 id2 id3 id4 id5 id6 id7 id8
65016 65088 65124 65052 65474
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*DATABASE_RWFORC
$ dt
0.1
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$$$$ Airbags - Tires
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$...>....1....>....2....>....3....>....4....>....5....>....6....>....7....>....8
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$
*AIRBAG_SIMPLE_PRESSURE_VOLUME_1
$ sid sidtyp rbid vsca psca vini mwd spsf
73 1 0 0.0 0.0 0.0 15.0 0.0
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$ cn beta lcid
3.200E-04 1.0
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$
*SET_PART_LIST
$ sid
73
$ pid1 pid2 pid3 pid4
65
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$$$$ Define Parts and Materials
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$...>....1....>....2....>....3....>....4....>....5....>....6....>....7....>....8
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*PART
$ pid sid mid eosid hgid grav adpopt
$
tire-fl
65 65 65
wheel-fl
66 66 66
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$
$$$$ Materials
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*MAT_PIECEWISE_LINEAR_PLASTICITY
$ mid ro e pr sigy etan eppf tdel
65 4.05980-6 2.461 0.323 0.025
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$ c p lcss lcsr
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$ Plastic stress/strain curve
0.000 0.010 0.029 0.070 0.400 1.000
0.000 0.025 0.030 0.033 0.036 0.030
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$
*MAT_RIGID
66 1.89000-5 210.0 0.30
$ cmo con1 con2
$lco or a1 a2 a3 v1 v2 v3
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$
$$$$ Sections
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*SECTION_SHELL
$ sid elform shrf nip propt qr/irid icomp
65 2 3.0
$ t1 t2 t3 t4 nloc
3.0 3.0 3.0 3.0
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*SECTION_SHELL
$ sid elform shrf nip propt qr/irid icomp
66 2 3.0
$ t1 t2 t3 t4 nloc
4.6 4.6 4.6 4.6
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$$$$ Define Nodes and Elements
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$...>....1....>....2....>....3....>....4....>....5....>....6....>....7....>....8
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*END