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. 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: projectile-block.k
The used Keywords in alphabetical order.
*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
Reduced Input
Reduced Input
This example has been taken from the introductory class of John D. Reid. Example name: projectile-block.k
*Node and *Element Cards are removed.
*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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$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
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$$$$ Control Ouput
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$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
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$...>....1....>....2....>....3....>....4....>....5....>....6....>....7....>....8
$
*CONTROL_TERMINATION
$ endtim endcyc dtmin endeng endmas
3.00E-04
$
*CONTROL_ENERGY
$ hgen rwen slnten rylen
2 2 2
$
*CONTROL_OUTPUT
$ npopt neecho nrefup iaccop opifs ipnint ikedit
1 3
$
$
*DATABASE_BINARY_D3PLOT
$ dt lcdt
2.00E-05
$
*DATABASE_BINARY_D3THDT
$ dt lcdt
10.0
$
$
*DATABASE_GLSTAT
$ dt
1.0E-06
$
*DATABASE_MATSUM
$ dt
1.0E-06
$
*DATABASE_RBDOUT
$ dt
1.0E-06
$
*DATABASE_RCFORC
$ dt
1.0E-06
$
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
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$$$$ Initial Conditions
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$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
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$...>....1....>....2....>....3....>....4....>....5....>....6....>....7....>....8
$
*INITIAL_VELOCITY_GENERATION
$ sid styp omega vx vy vz
1 2 0.0 -11124.0 0.0
$ xc yc zc nx ny nz phase
$
$
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
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$$$$ Define Contacts - Sliding Interfaces
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$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
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$...>....1....>....2....>....3....>....4....>....5....>....6....>....7....>....8
$
*CONTACT_ERODING_SURFACE_TO_SURFACE
$ ssid msid sstyp mstyp sboxid mboxid spr mpr
2 1 3 3
$
$ fs fd dc vc vdc penchk bt dt
$
$ sfs sfm sst mst sfst sfmt fsf vsf
$
$ isym erosop iadj
1 1
$
$
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
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$$$$ Define Parts and Materials
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$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
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$...>....1....>....2....>....3....>....4....>....5....>....6....>....7....>....8
$
*PART
$ pid sid mid eosid hgid grav adpopt
projectile
1 1 1
energy absorbing block
2 2 2
$
$
*MAT_RIGID
$ mid ro e pr n couple m alias
1 7.733E-04 2.90E+07 0.30
$ cmo con1 con2
$lco or a1 a2 a3 v1 v2 v3
$
*MAT_PIECEWISE_LINEAR_PLASTICITY
$
$ mid ro e pr sigy etan eppf tdel
2 3.00E-04 1.00E+07 0.20 20000.0 1.00E+05 0.150
$
$ c p lcss lcsr
$
$ Plastic stress/strain curve
$
$
*SECTION_SOLID
$ sid elform
1 0
2 0
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$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
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$$$$ Define Nodes and Elements
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$...>....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: projectile-block.k
Animated Result
Animated Result
This example has been taken from the introductory class of John D. Reid. Example name: projectile-block.k
Download
Download
This example has been taken from the introductory class of John D. Reid. Example name: projectile-block.k
