Reduced Input
*Node and *Element Cards are removed.
*KEYWORD
*TITLE
Projectile Penetrating Plate
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$ LSTC Example
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$ Last Modified: September 8, 1997
$ July 13, 2000
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$ Units: gram, cm, microsec, 1e+07 N, Mbar, 1e+07 N-cm
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$$$$ Control Ouput
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$...>....1....>....2....>....3....>....4....>....5....>....6....>....7....>....8
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*CONTROL_PARALLEL
$ ncpu numrhs accu
1
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*CONTROL_TERMINATION
$ endtim endcyc dtmin endneg endmas
70.0
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*CONTROL_CONTACT
$ slsfac rwpnal islchk shlthk penopt thkchg orien
1.0
$ usrstr usrfac nsbcs interm xpenen
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*CONTROL_ENERGY
$ hgen rwen slnten rylen
2 2 2
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*CONTROL_OUTPUT
$ npopt neecho nrefup iaccop opifs ipnint ikedit
1 3
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*DATABASE_BINARY_D3PLOT
$ dt lcdt
5.0
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*DATABASE_EXTENT_BINARY
$ neiph neips maxint strflg sigflg epsflg rltflg engflg
$ ieverp = 1 put each plot state in separate d3plot files
$ cmpflg ieverp beamip
1
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*DATABASE_BINARY_D3THDT
$ dt lcdt
999999
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*DATABASE_GLSTAT
$ dt
0.10
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*DATABASE_MATSUM
$ dt
0.10
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*DATABASE_RCFORC
$ dt
0.10
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*DATABASE_SLEOUT
$ dt
0.10
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$$$$ Define Contacts
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$...>....1....>....2....>....3....>....4....>....5....>....6....>....7....>....8
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$$$ Force Transducer - contact forces on projectile: part 1
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*CONTACT_FORCE_TRANSDUCER_PENALTY
$ ssid msid sstyp mstyp
1 3
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$$$ Force Transducer - contact forces on plate: part 2
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*CONTACT_FORCE_TRANSDUCER_PENALTY
$ ssid msid sstyp mstyp
2 3
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$$$$$ Define contact between projectile and plate.
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$*CONTACT_
$ ssid msid sstyp mstyp sboxid mboxid spr mpr
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$ fs fd dc vc vdc penchk bt dt
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$ sfs sfm sst mst sfst sfmt fsf vsf
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$$$ card 4: only required for eroding contact
$ isym erosop iadj
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$$$$ Initial Conditions
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$$$$ Assign an initial velocity to the projectile (part 1) angled down
$$$$ towards the plate.
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$...>....1....>....2....>....3....>....4....>....5....>....6....>....7....>....8
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*INITIAL_VELOCITY_GENERATION
$ sid styp omega vx vy vz
1 1 1.246E-01 0.000E+00-3.339E-02
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$ xc yc zc nx ny nz phase
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*SET_PART
1
1
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$$$$ Define Parts and Materials
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$...>....1....>....2....>....3....>....4....>....5....>....6....>....7....>....8
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*PART
$ pid sid mid eosid hgid adpopt
Projectile
1 1 1
Plate
2 1 2
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$$$$$$ Materials
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$$$$ failure strain for erosion of the projectile and plate elements are
$$$$ set as: fs = 0.8
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*MAT_PLASTIC_KINEMATIC
$ mid ro e pr sigy etan beta
1 1.862E+01 1.170E+00 0.22 1.790E-02 1.0
$ src srp fs
0.8
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*MAT_PLASTIC_KINEMATIC
$ mid ro e pr sigy etan beta
2 7.896E+00 2.100E+00 0.284 1.000E-02 1.0
$ src srp fs
0.8
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$$$$$$ Sections
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*SECTION_SOLID
$ sid elform
1 0
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$$$$ Define Nodes and Elements
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*END