Pipe
Problem Description: A pipe consisting of an elastoplastic and a rigid part is given an initial angular velocity. It crashes into another elastoplastic pipe and both are locally crushed. 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: pipe.k
The used Keywords in alphabetical order.
*CONTACT_AUTOMATIC_SINGLE_SURFACE *CONTACT_FORCE_TRANSDUCER_PENALTY *CONTROL_ENERGY *CONTROL_OUTPUT *CONTROL_SHELL *CONTROL_TERMINATION *DATABASE_BINARY_D3PLOT *DATABASE_BINARY_D3THDT *DATABASE_EXTENT_BINARY *DATABASE_GLSTAT *DATABASE_JNTFORC *DATABASE_MATSUM *DATABASE_RBDOUT *DATABASE_RCFORC *ELEMENT_SHELL *ELEMENT_SOLID *END *INITIAL_VELOCITY_GENERATION *KEYWORD *MAT_PLASTIC_KINEMATIC *MAT_RIGID *NODE *PART *SECTION_SHELL *SECTION_SOLID *SET_PART_LIST *TITLE
Reduced Input
Reduced Input
This example has been taken from the introductory class of John D. Reid. Example name: pipe.k
*Node and *Element Cards are removed.
*KEYWORD
*TITLE
Pipe on Pipe Impact
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$ J.D. Reid 7/13/00 - original model from Brian Coon 3/25/00
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$ Units: mm, kg, ms, kN, GPa, kN-mm
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$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
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$$$$ Adaptivity
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$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
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$...>....1....>....2....>....3....>....4....>....5....>....6....>....7....>....8
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$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
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$$$$ Joints
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$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
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$...>....1....>....2....>....3....>....4....>....5....>....6....>....7....>....8
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$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
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$$$$ Control Ouput
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$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
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$...>....1....>....2....>....3....>....4....>....5....>....6....>....7....>....8
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*CONTROL_TERMINATION
$ endtim endcyc dtmin endeng endmas
20.0
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*CONTROL_ENERGY
$ hgen rwen slnten rylen
2 2 2
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*CONTROL_OUTPUT
$ npopt neecho nrefup iaccop opifs ipnint ikedit
1 3
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*CONTROL_SHELL
$ wrpang itrist irnxx istupd theory bwc miter
1
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*DATABASE_BINARY_D3PLOT
$ dt lcdt
1.00
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*DATABASE_EXTENT_BINARY
$ neiph neips maxint strflg sigflg epsflg rltflg engflg
$ cmpflg ieverp beamip
1
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*DATABASE_BINARY_D3THDT
$ dt lcdt
999999
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$
*DATABASE_GLSTAT
$ dt
0.10
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*DATABASE_JNTFORC
$ dt
0.10
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*DATABASE_MATSUM
$ dt
0.10
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*DATABASE_RBDOUT
$ dt
0.10
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*DATABASE_RCFORC
$ dt
0.10
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$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
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$$$$ Define Contacts - Sliding Interfaces
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$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
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$...>....1....>....2....>....3....>....4....>....5....>....6....>....7....>....8
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$$$ Force Transducer - contact forces on deformable pipe: part 1
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*CONTACT_FORCE_TRANSDUCER_PENALTY
$ ssid msid sstyp mstyp
1 3
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*CONTACT_AUTOMATIC_SINGLE_SURFACE
$ ssid msid sstyp mstyp sboxid mboxid spr mpr
3 2
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$ fs fd dc vc vdc penchk bt dt
0.30 0.30
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$ sfs sfm sst mst sfst sfmt fsf vsf
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*SET_PART_LIST
$ psid
3
$ pid1 pid2 pid3 pid4 pid5 pid6 pid7 pid8
1 3
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$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
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$$$$ Initial Conditions
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$...>....1....>....2....>....3....>....4....>....5....>....6....>....7....>....8
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*INITIAL_VELOCITY_GENERATION
$ sid ntyp omega vx vy vz
5 1 -0.082
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$ xc yc zc nx ny nz phase
-78.50 -610.13 5.69 1.0 0.0 0.0 0
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$
*SET_PART_LIST
$ psid
5
$ pid1 pid2 pid3 pid4 pid5 pid6 pid7 pid8
1 2
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$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
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$$$$ Define Pipe Parts and Materials
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$...>....1....>....2....>....3....>....4....>....5....>....6....>....7....>....8
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*PART
$ pid sid mid eosid hgid grav adpopt
Deformable-Pipe
1 1 1
Pipe-End
2 2 2
Rigid-Pipe
3 2 1
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$$$$ Materials
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*MAT_PLASTIC_KINEMATIC
$ mid ro e pr sigy etan beta
1 7.86e-6 200.0 0.30 0.250 0.00689
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$ src srp fs
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*MAT_RIGID
$ mid ro e pr da db k
2 7.86e-6 200.0 0.30
$ cmo con1 con2
$ lco a2 a3 v1 v2 v3
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$$$$ Sections
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*SECTION_SHELL
$ sid elform shrf nip propt qr/irid icomp
1 2 5
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$ t1 t2 t3 t4 nloc
11.0 11.0 11.0 11.0
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*SECTION_SHELL
$ sid elform shrf nip propt qr/irid icomp
2 2 3
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11.0 11.0 11.0 11.0
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$
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$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
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$$$$ Define Bracket Parts and Materials
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$...>....1....>....2....>....3....>....4....>....5....>....6....>....7....>....8
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*PART
$ pid sid mid eosid hgid grav adpopt
Bracket
4 4 4
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$
*MAT_RIGID
$ mid ro e pr da db k
4 7.86e-6 200.0 0.30
$ cmo con1 con2
1 7 7
$ lco a2 a3 v1 v2 v3
$
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*SECTION_SOLID
$ sid elform
4
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$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
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$$$$ Define Nodes and Elements
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$...>....1....>....2....>....3....>....4....>....5....>....6....>....7....>....8
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*END
Figures
Figures
This example has been taken from the introductory class of John D. Reid. Example name: pipe.k
Animated Result
Animated Result
This example has been taken from the introductory class of John D. Reid. Example name: pipe.k
Download
Download
This example has been taken from the introductory class of John D. Reid. Example name: pipe.k
