Plates
Two small plates are pulled apart with a specified velocity.
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Plates
Two small plates are pulled apart with a specified velocity.
*BOUNDARY_PRESCRIBED_MOTION_SET *CONSTRAINED_SPOTWELD *CONTACT_AUTOMATIC_SINGLE_SURFACE *CONTROL_CONTACT *CONTROL_ENERGY *CONTROL_HOURGLASS *CONTROL_OUTPUT *CONTROL_SHELL *CONTROL_TERMINATION *DATABASE_BINARY_D3PLOT *DATABASE_BINARY_D3THDT *DATABASE_GLSTAT *DATABASE_HISTORY_NODE *DATABASE_MATSUM *DATABASE_NODAL_FORCE_GROUP *DATABASE_NODFOR *DATABASE_NODOUT *DATABASE_SWFORC *DEFINE_CURVE *ELEMENT_SHELL *END *KEYWORD *MAT_PLASTIC_KINEMATIC *NODE *PART *SECTION_SHELL *SET_NODE_LIST *TITLE
*KEYWORD
*TITLE
Two Plates
$
$ Two small plates pulled apart with a specified velocity
$
$
$ Model initially changed from lstc example to partially reflect
$ paper by Matzenmiller, et al (ls-dyna conf 9/94) -
$ However, that proved to have lots of problems also, major differences
$ include the material and element formulation (& units)
$
$
$ John D. Reid 2/23/95
$
$ 3/8/96 Velocity is changed to be a little more realistic.
$ From 2.4 mm/ms (94.5 in/s) to 0.3048 mm/ms (12 in/s),
$ and instead of instantaneous, ramps to 0.3048 over 10 ms.
$ Units: mm, kg, ms, kN, GPa, kN-mm
$
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
$
$$$$ Control Ouput
$
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
$
$
*CONTROL_TERMINATION
$ f i f f f
$ endtim endcyc dtmin endneg endmas
10.00
$
*CONTROL_ENERGY
$ i i i i
$ hgen rwen slnten rylen
2 2
$
*CONTROL_OUTPUT
$ i i i i f i i
$ npopt neecho nrefup iaccop opifs ipnint ikedit
1 3
$
*CONTROL_SHELL
$ wrpang itrist irnxx istupd theory bwc miter
1 2 1
$
*DATABASE_BINARY_D3PLOT
$ f i
$ dt/cycl lcdt
0.2
$
*DATABASE_BINARY_D3THDT
$ f i
$ dt/cycl lcdt
99999
$
*DATABASE_GLSTAT
$ f i
$ dt/cycl lcdt
0.010
$
*DATABASE_MATSUM
$ f i
$ dt/cycl lcdt
0.010
$
*DATABASE_NODFOR
$ f i
$ dt/cycl lcdt
0.010
$
*DATABASE_NODAL_FORCE_GROUP
$ i i
$ nsid cid
201
$
*SET_NODE_LIST
$ i f f f f
$ sid da1 da2 da3 da4
201
$ i i i i i i i i
$ nid1 nid2 nid3 nid4 nid5 nid6 nid7 nid8
213 123
$
*DATABASE_NODOUT
$ f i
$ dt/cycl lcdt
0.010
$
*DATABASE_HISTORY_NODE
$ i i i i i i i i
$ id1 id2 id3 id4 id5 id6 id7 id8
123 233
$
*DATABASE_SWFORC
$ f i
$ dt/cycl lcdt
0.010
$
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
$
$$$$ Constrain the Plates Together
$
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
$
$
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
$
$$$$ Boundary Motion Conditions
$
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
$
$
$
*BOUNDARY_PRESCRIBED_MOTION_SET
$ i i i i f i
$ nid dof vad lcid sf vid
1 1 0 1 1.0 0
*DEFINE_CURVE
$ i i f f f f
$ lcid sidr scla sclo offa offo
1
$ f f
$ abscissa ordinate
0.0000 0.0
10.000 0.3048
$
*SET_NODE_LIST
$ i f f f f
$ sid da1 da2 da3 da4
1
$ i i i i i i i i
$ nid1 nid2 nid3 nid4 nid5 nid6 nid7 nid8
231 232 233 234 235
$
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
$
$$$$ Define Contacts
$
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
$
$...>....1....>....2....>....3....>....4....>....5....>....6....>....7....>....8
$
$$ SLIDING INTERFACE DEFINITIONS
$
*CONTROL_CONTACT
$ f f i i i i i
$ slsfac rwpnal islchk shlthk penopt thkchg orien
0.1 1 1 1
$ i i i i f
$ usrstr usrfac nsbcs interm xpenen
$
*CONTACT_AUTOMATIC_SINGLE_SURFACE
$ i i i i i i i i
$ ssid msid sstyp mstyp sboxid mboxid spr mpr
$ f f f f f i f f
$ fs fd dc vc vdc penchk bt dt
$ f f f f f f f f
$ sfs sfm sst mst sfst sfmt fsf vsf
$
$
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
$
$$$$ Control
$
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
$
*CONTROL_HOURGLASS
$ i f
$ ihq qh
4
$
$
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
$
$$$$ Define Materials and Parts
$
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
$
$
*MAT_PLASTIC_KINEMATIC
$ i f f f f f f
$ mid ro e pr sigy etan beta
1 2.70e-6 68.9 0.330 0.286 0.00689
$ f f f
$ src srp fs
$
*SECTION_SHELL
$
$ i i f f f f i
$ sid elform shrf nip propt qr/irid icomp
1 6
$ f f f f f
$ t1 t2 t3 t4 nloc
2.0 2.0 2.0 2.0
$
*PART
$
plate_1
$ i i i i i i
$ pid sid mid eosid hgid adpopt
1 1 1 0 0 0
*PART
$
plate_2
$ i i i i i i
$ pid sid mid eosid hgid adpopt
2 1 1 0 0 0
$
$
*CONSTRAINED_SPOTWELD
$ n1 n2 Sn Ss n m tf ep
$...>....1....>....2....>....3....>....4....>....5....>....6....>....7....>....8
213 123 7.854 4.534 2 2
$
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
$
$$$$ Define Nodes and Elements
$
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
$
$
$ NODAL POINT CARDS
*NODE
$ i8 f f f i i
$ node x y z tc rc
$
$$$$$$$$ SHELL ELEMENTS
$
*ELEMENT_SHELL
$ i i i i i i
$ eid pid n1 n2 n3 n4
*END