Contact Automatic
A symmetric short crush tube is impacted by a moving wall. Corner elements are removed on desired initial crush area. See file symtube.k for exploitation of symmetry. Download is available in the download section of this document.
Keywords
Keywords
This example has been taken from the introductory class of Prof. Dr. Ala Tabiei. Example name: tube.k
The used Keywords in alphabetical order.
*BOUNDARY_SPC_NODE *CONTACT_AUTOMATIC_SINGLE_SURFACE *CONTROL_ENERGY *CONTROL_TERMINATION *DATABASE_BINARY_D3PLOT *DATABASE_BINARY_D3THDT *DATABASE_EXTENT_BINARY *DATABASE_GLSTAT *DATABASE_HISTORY_NODE *DATABASE_MATSUM *DATABASE_NODOUT *DATABASE_RWFORC *DATABASE_SLEOUT *ELEMENT_BEAM *ELEMENT_BEAM_THICKNESS *ELEMENT_SHELL *ELEMENT_SOLID *END *KEYWORD *MAT_PIECEWISE_LINEAR_PLASTICITY *NODE *PART *RIGIDWALL_PLANAR_MOVING_FORCES *SECTION_SHELL *TITLE
Reduced Input
Reduced Input
This example has been taken from the introductory class of Prof. Dr. Ala Tabiei. Example name: tube.k
*Node and *Element Cards are removed.
*KEYWORD
*TITLE
Short Crush Tube Impacted by a Moving Wall
$
$
$ Units: mm, kg, ms, kN, GPa, kN-mm
$
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
$
$$$$ Control Ouput
$
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
$
$
*CONTROL_TERMINATION
$...>....1....>....2....>....3....>....4....>....5....>....6....>....7....>....8
$ ENDTIM ENDCYC DTMIN ENDENG ENDMAS
20.00 0 0.0 0.0 0.0
$
*CONTROL_ENERGY
$ i i i i
$ hgen rwen slnten rylen
2 2
$
*DATABASE_BINARY_D3PLOT
$ DT/CYCL LCDT - time interval between state dumps (D3PLOT) [PLTC]
1.0
$
*DATABASE_EXTENT_BINARY
$ i i i i i i i i
$ neiph neips maxint strflg sigflg epsflg rltflg engflg
$ i i i
$ cmpflg ieverp beamip
1
$
*DATABASE_BINARY_D3THDT
$ DT/CYCL LCDT - time interval between time history data dumps (D3THDT)
999999
*DATABASE_RWFORC
$ DT/CYCL
0.1
$
*DATABASE_HISTORY_NODE
$ DEFINE NODES THAT OUTPUT INTO NODOUT
$ ID1 ID2 ID3
$...>....1....>....2....>....3....>....4....>....5....>....6....>....7....>....8
99999 259 7
$
*DATABASE_NODOUT
$ DT/CYCL
0.1
*DATABASE_GLSTAT
$ DT/CYCL
0.1
*DATABASE_MATSUM
$ DT/CYCL
0.1
*DATABASE_SLEOUT
$ DT/CYCL
0.1
$
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
$
$$$$ Define Contacts - Sliding Interfaces
$
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
$
$
*CONTACT_AUTOMATIC_SINGLE_SURFACE
$...>....1....>....2....>....3....>....4....>....5....>....6....>....7....>....8
$ SSID MSID SSTYP MSTYP
0
$ EQUATING SSID TO ZERO MEANS THAT ALL SEGMENTS ARE INCLUDED FOR SINGLE SURFACE CONTACT
$
$ FS FD
0.08 0.08
$
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
$
$$$$ Define Materials and Parts
$
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
$
*PART
corner 1
$...>....1....>....2....>....3....>....4....>....5....>....6....>....7....>....8
$ PID SID MID EOSID HGID ADPOPT
1 1 1
$
*PART
corner 2
$...>....1....>....2....>....3....>....4....>....5....>....6....>....7....>....8
$ PID SID MID EOSID HGID ADPOPT
2 1 1
$
*PART
corner 3
$...>....1....>....2....>....3....>....4....>....5....>....6....>....7....>....8
$ PID SID MID EOSID HGID ADPOPT
3 1 1
$
*PART
corner 4
$...>....1....>....2....>....3....>....4....>....5....>....6....>....7....>....8
$ PID SID MID EOSID HGID ADPOPT
4 1 1
$
$
*MAT_PIECEWISE_LINEAR_PLASTICITY
$...>....1....>....2....>....3....>....4....>....5....>....6....>....7....>....8
$ MID RO E PR SIGY ETAN EPPF TDEL
1 7.830E-06 200.0 0.3 0.366 0.750
$...>....1....>....2....>....3....>....4....>....5....>....6....>....7....>....8
$ C P LCSS LCSR
40 5
$ VALUES FOR PLASTIC STRESS/STRAIN CURVES
0.000 0.025 0.049 0.072 0.095 0.118 0.140 0.182
0.366 0.424 0.476 0.507 0.529 0.546 0.559 0.584
$
$
*SECTION_SHELL
$ SHELL ELEMENT CROSS-SECTIONAL PROPERTIES
$...>....1....>....2....>....3....>....4....>....5....>....6....>....7....>....8
$ SID ELFORM SHRF NIP PROPT QR/IRID ICOMP
1 2 3.0000
$ T1 T2 T3 T4 NLOC
2.0 2.0 2.0 2.0
$
$
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
$
$$$$ Define Nodes and Elements
$
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
$
$ NODAL POINT CARDS
*NODE
$...>....1....>....2....>....3....>....4....>....5....>....6....>....7....>....8
$ NID X Y Z TC RC
$$ ADDITIONAL NODES FOR BEAM ELEMENTS
$
$ SOLID ELEMENTS
$
*ELEMENT_SOLID
$...>....1....>....2....>....3....>....4....>....5....>....6....>....7....>....8
$ EID PID N1 N2 N3 N4 N5 N6 N7 N8
$
$ BEAM ELEMENTS
*ELEMENT_BEAM_THICKNESS
$...>....1....>....2....>....3....>....4....>....5....>....6....>....7....>....8
$ EID PID N1 N2 N3
$ A ISS ITT IRR/J SA
*ELEMENT_BEAM
$ SHELL ELEMENTS
*ELEMENT_SHELL
$...>....1....>....2....>....3....>....4....>....5....>....6....>....7....>....8
$ EID PID N1 N2 N3 N4
$
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
$
$$$$ Define Constraints, Boundary & Initial Conditions
$
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
$
$
$ NODAL SINGLE POINT CONSTRAINTS
$
*BOUNDARY_SPC_NODE
$...>....1....>....2....>....3....>....4....>....5....>....6....>....7....>....8
$ NID CID X Y Z RX RY RZ
$
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
$
$$$$ Define Stone Walls
$
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
$
$...>....1....>....2....>....3....>....4....>....5....>....6....>....7....>....8
$ NID DOF VAD LCID SF VID
$
*RIGIDWALL_PLANAR_MOVING_FORCES
$.../....1..../....2..../....3..../....4..../....5..../....6..../....7..../....8
$ NSID NSIDEX BOXID
0 0 0
$
$ XT YT ZT XH YH ZH FRIC
0.0 0.0 274.0 0.0 0.0 0.0 1.0
$ SW MASS SW VEL
800.000 8.94000
$ SOFT SSID NODE1 NODE2 NODE3 NODE4
0 0 99999
$
$
*END
Figures
Figures
This example has been taken from the introductory class of Prof. Dr. Ala Tabiei. Example name: tube.k
Animated Result
Animated Result
This example has been taken from the introductory class of Prof. Dr. Ala Tabiei. Example name: tube.k
Download
Download
This example has been taken from the introductory class of Prof. Dr. Ala Tabiei. Example name: tube.k
