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