Airbag III
In this example *AIRBAG_SIMPLE_AIRBAG_MODEL keyword is used to pressurize an airbag. Download is available in the download section of this document.
Keywords
Keywords
This example has been taken from the introductory class of Prof. Dr. Ala Tabiei. Example name: tire-compression.k
The used Keywords in alphabetical order.
*AIRBAG_SIMPLE_AIRBAG_MODEL_1 *CONTROL_ENERGY *CONTROL_TERMINATION *DATABASE_ABSTAT *DATABASE_BINARY_D3PLOT *DATABASE_BINARY_D3THDT *DATABASE_EXTENT_BINARY *DATABASE_GLSTAT *DATABASE_HISTORY_NODE *DATABASE_MATSUM *DATABASE_NODOUT *DATABASE_RWFORC *DEFINE_BOX *DEFINE_CURVE *ELEMENT_SHELL *END *KEYWORD *LOAD_BODY_Z *MAT_PIECEWISE_LINEAR_PLASTICITY *MAT_RIGID *NODE *PART *RIGIDWALL_PLANAR *SECTION_SHELL *SET_PART_LIST *TITLE
Reduced Input
Reduced Input
This example has been taken from the introductory class of Prof. Dr. Ala Tabiei. Example name: tire-compression.k
*Node and *Element Cards are removed.
*KEYWORD
*TITLE
Tire/Airbag Model
$
$
$$$$$$
$ name part #
$ ------------------------
$ tire tire-fl 65
$ wheel wheel-fl 66
$
$ Units: mm, kg, ms, kN, GPa, kN-mm
$
$...>....1....>....2....>....3....>....4....>....5....>....6....>....7....>....8
$
*CONTROL_TERMINATION
$ endtim
100.0
$
*CONTROL_ENERGY
$ hgen rwen slnten rylen
2 2 2 2
$
$
*DATABASE_BINARY_D3PLOT
$ dt lcdt
2.0
$
*DATABASE_EXTENT_BINARY
$ neiph neips maxint strflg sigflg epsflg rltflg engflg
$
$ cmpflg ieverp beamip dcomp shge stssz
1
$
*DATABASE_BINARY_D3THDT
$ dt lcdt
999999
$
*DATABASE_ABSTAT
$ dt
0.1
$
*DATABASE_GLSTAT
$ dt
0.1
$
*DATABASE_MATSUM
$ dt
0.1
$
*DATABASE_NODOUT
$ dt
0.1
$
*DATABASE_HISTORY_NODE
$
$ node location
$ 65016 - at minimum z (on tire)
$ 65088 - at maximum z (on tire)
$ 65124 - at maximum x (on tire)
$ 65052 - at minimum x (on tire)
$ 65474 - center of wheel
$
$ id1 id2 id3 id4 id5 id6 id7 id8
65016 65088 65124 65052 65474
$
*DATABASE_RWFORC
$ dt
0.1
$
$...>....1....>....2....>....3....>....4....>....5....>....6....>....7....>....8
$
*AIRBAG_SIMPLE_AIRBAG_MODEL_1
$ sid sidtyp rbid vsca psca vini mwd spsf
10 1
$
$ cv cp t lcid mu a pe ro
7.17000+2 1.00400+3 300.0 20 0.700 0.000 0.00010 1.2040-09
$
$ lou
0
$
*SET_PART_LIST
$ sid
10
$ pid1
65
$
$
$$$$ MASS FLOW RATE - tires
$
*DEFINE_CURVE
$ lcid
20
$ abscissa ordinate
0.0 0.0
50.0 0.0
80.0 0.01
100.0 0.01
$ 100.0 0.137500
$
$
$...>....1....>....2....>....3....>....4....>....5....>....6....>....7....>....8
$
*PART
$ pid sid mid
$
tire-fl
65 65 65
wheel-fl
66 66 66
*MAT_PIECEWISE_LINEAR_PLASTICITY
$ mid ro e pr sigy fail
65 4.0598e-6 2.461 0.323 0.025 1.0
$...>....1....>....2....>....3....>....4....>....5....>....6....>....7....>....8
$
$ 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
$
$
$...>....1....>....2....>....3....>....4....>....5....>....6....>....7....>....8
*MAT_RIGID
66 7.8530e-6 210.0 0.30
$ cmo con1 con2
$lco or a1 a2 a3 v1 v2 v3
$
$...>....1....>....2....>....3....>....4....>....5....>....6....>....7....>....8
*SECTION_SHELL
$ sid elform shrf nip
65 9 3.0
$ t1 t2 t3 t4
3.0 3.0 3.0 3.0
$
*SECTION_SHELL
$ sid elform shrf nip
66 2 3.0
$ t1 t2 t3 t4
10.6 10.6 10.6 10.6
$
$...>....1....>....2....>....3....>....4....>....5....>....6....>....7....>....8
*LOAD_BODY_Z
10,9.810e-3
*DEFINE_CURVE
10,2
0.00000000000000E+00 1.0000000000000E+00
5.00000000000000E+01 1.0000000000000E+00
1.00000000000000E+03 1.0000000000000E+00
$---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8
*RIGIDWALL_PLANAR
0,0,99
0.0,0.0,-360.0,0.0,0.0,-300.0,1.0
*DEFINE_BOX
99,-1.0e9,1.0e9,-1.0e9,1.0e9,-360.0,-330.0
$
*NODE
$
*ELEMENT_SHELL
$
*ELEMENT_SHELL
$
*END
Figures
Figures
This example has been taken from the introductory class of Prof. Dr. Ala Tabiei. Example name: tire-compression.k
Animated Result
Animated Result
This example has been taken from the introductory class of Prof. Dr. Ala Tabiei. Example name: tire-compression.k
Download
Download
This example has been taken from the introductory class of Prof. Dr. Ala Tabiei. Example name: tire-compression.k
