Projectile Block
A quarter of a rigid projectile impacting an energy absorbing block is modeled. The block material is defined with a strain failure criteria, at failure strain of 0.150 elements are deleted. Eroding contact is employed.
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Projectile Block
A quarter of a rigid projectile impacting an energy absorbing block is modeled. The block material is defined with a strain failure criteria, at failure strain of 0.150 elements are deleted. Eroding contact is employed.
*CONTACT_ERODING_SURFACE_TO_SURFACE *CONTROL_ENERGY *CONTROL_OUTPUT *CONTROL_TERMINATION *DATABASE_BINARY_D3PLOT *DATABASE_BINARY_D3THDT *DATABASE_GLSTAT *DATABASE_MATSUM *DATABASE_RBDOUT *DATABASE_RCFORC *ELEMENT_SOLID *END *INITIAL_VELOCITY_GENERATION *KEYWORD *MAT_PIECEWISE_LINEAR_PLASTICITY *MAT_RIGID *NODE *PART *SECTION_SOLID *TITLE
*KEYWORD
*TITLE
Projectile - Energy Absorbing Block
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$ J.D. Reid 2/9/00 - original model obtained from Jim Day (LSTC)
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$ Units: unknown
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$$$$ Control Ouput
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$...>....1....>....2....>....3....>....4....>....5....>....6....>....7....>....8
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*CONTROL_TERMINATION
$ endtim endcyc dtmin endeng endmas
3.00E-04
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*CONTROL_ENERGY
$ hgen rwen slnten rylen
2 2 2
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*CONTROL_OUTPUT
$ npopt neecho nrefup iaccop opifs ipnint ikedit
1 3
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*DATABASE_BINARY_D3PLOT
$ dt lcdt
2.00E-05
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*DATABASE_BINARY_D3THDT
$ dt lcdt
10.0
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*DATABASE_GLSTAT
$ dt
1.0E-06
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*DATABASE_MATSUM
$ dt
1.0E-06
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*DATABASE_RBDOUT
$ dt
1.0E-06
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*DATABASE_RCFORC
$ dt
1.0E-06
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$$$$ Initial Conditions
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$...>....1....>....2....>....3....>....4....>....5....>....6....>....7....>....8
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*INITIAL_VELOCITY_GENERATION
$ sid styp omega vx vy vz
1 2 0.0 -11124.0 0.0
$ xc yc zc nx ny nz phase
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$$$$ Define Contacts - Sliding Interfaces
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$...>....1....>....2....>....3....>....4....>....5....>....6....>....7....>....8
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*CONTACT_ERODING_SURFACE_TO_SURFACE
$ ssid msid sstyp mstyp sboxid mboxid spr mpr
2 1 3 3
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$ fs fd dc vc vdc penchk bt dt
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$ sfs sfm sst mst sfst sfmt fsf vsf
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$ isym erosop iadj
1 1
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$$$$ Define Parts and Materials
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$...>....1....>....2....>....3....>....4....>....5....>....6....>....7....>....8
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*PART
$ pid sid mid eosid hgid grav adpopt
projectile
1 1 1
energy absorbing block
2 2 2
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*MAT_RIGID
$ mid ro e pr n couple m alias
1 7.733E-04 2.90E+07 0.30
$ cmo con1 con2
$lco or a1 a2 a3 v1 v2 v3
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*MAT_PIECEWISE_LINEAR_PLASTICITY
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$ mid ro e pr sigy etan eppf tdel
2 3.00E-04 1.00E+07 0.20 20000.0 1.00E+05 0.150
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$ c p lcss lcsr
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$ Plastic stress/strain curve
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*SECTION_SOLID
$ sid elform
1 0
2 0
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$$$$ Define Nodes and Elements
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$...>....1....>....2....>....3....>....4....>....5....>....6....>....7....>....8
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*END