Reduced Input
*Node and *Element Cards are removed.
*KEYWORD
*TITLE
an exploding sphere
$
$ John D. Reid 1/31/00 - original model obtained from K. Bui (LSTC) - 4/22/97
$
$ Units: unknown - possibly gm, cm, micros, 1E7N, Mbar, 1E7N-cm
$
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$$$$ Control Ouput
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$...>....1....>....2....>....3....>....4....>....5....>....6....>....7....>....8
$
*CONTROL_TERMINATION
$ endtim endcyc dtmin endeng endmas
50.0
$
*CONTROL_TIMESTEP
$ dtinit tssfac isdo tslimt dt2ms lctm erode ms1st
0.30
$
*CONTROL_ENERGY
$ hgen rwen slnten rylen
2 2 2
$
*CONTROL_OUTPUT
$ npopt neecho nrefup iaccop opifs ipnint ikedit
1 3
$
$
*DATABASE_BINARY_D3PLOT
$ dt
1.0
$
$*DATABASE_EXTENT_BINARY
$ neiph neips maxint strflg sigflg epsflg rltflg engflg
$
$ cmpflg ieverp beamip
$ 1
$
*DATABASE_BINARY_D3THDT
$ dt
999999.9
$
*DATABASE_GLSTAT
$ dt
0.1
$
*DATABASE_MATSUM
$ dt
0.1
$
*DATABASE_RCFORC
$ dt
0.1
$
$
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$$$$ Boundary and Initial Conditions
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$...>....1....>....2....>....3....>....4....>....5....>....6....>....7....>....8
$
*INITIAL_DETONATION
$ pid x y z lt
2 0.00 0.00 0.00 0.00
$
$ pid = 2 Part ID of high explosive material to be lit.
$ x,y,z Coordinate of detonation point.
$ lt = 0 Lighting time.
$
$
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$$$$ Define Parts and Materials
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$...>....1....>....2....>....3....>....4....>....5....>....6....>....7....>....8
$
$$$ Part 1 shell: sphere
$
$$$ Part 2 solid: high explosive
$
*PART
$ pid sid mid eosid hgid grav adpopt
sphere
1 1 1
high explosive
2 2 2 2
seams
3 1 3
$
$
$$$$ Materials
$
*MAT_PLASTIC_KINEMATIC
$
$ mid ro e pr sigy etan beta
1 7.874 2.07 0.28 0.15 0.136 0
$
$ src srp fs
40 5
$
*MAT_PLASTIC_KINEMATIC
$
$ mid ro e pr sigy etan beta
3 7.874 2.07 0.28 0.15 0.136 0
$
$ src srp fs
40 5 0.2
$
$
*MAT_HIGH_EXPLOSIVE_BURN
$...>....1....>....2....>....3....>....4....>....5....>....6....>....7....>....8
$ mid ro d pcj beta k g sigy
2 1.717 0.798 0.290
$
$ mid = 2 Material ID
$ ro = 1.717 mass density
$ d = 0.798 detonation velocity
$ pcj = 0.290 Chapman-Jouget pressure
$
$
$$$$ Sections
$
*SECTION_SHELL
$ sid elform shrf nip propt qr/irid icomp
1
$ t1 t2 t3 t4 nloc
0.50 0.50 0.50 0.50
$
*SECTION_SOLID
$ sid elform
2 1
$
$
$
*EOS_JWL
$ eosid A B r1 r2 omeg Eo Vo
2 5.2421999 0.07678 4.2000003 1.10 0.340 0.085 1.00
$
$ Defines the pressure in the solid elements as a function
$ of the relative volume and internal energy.
$
$ Eo = 0.085 initial internal energy
$ Vo = 1.000 initial relative volume
$ A, B, r1, r2, omeg = parameters of equation of state
$
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$$$$ Contact
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$ *CONTACT_SLIDING_ONLY - defined at end of model
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$$$$ Define Nodes and Elements
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$...>....1....>....2....>....3....>....4....>....5....>....6....>....7....>....8
$
*CONTACT_SLIDING_ONLY
$HMNAME GROUPS 1ContSlide_1
$HMCOLOR GROUPS 1 1
1 2 0 0
*SET_SEGMENT
1
*SET_SEGMENT
2
$
*END