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*KEYWORD *TITLE Fuse plate being pulled a part exhibits hourglassing troubles. $ $ LSTC Example $ $ Last Modified: October 14, 1997 $ $ Really good hourglassing on fuse plate - part 3 $ $ Switch to shell formulation S/R Hughes-Liu (6) - eliminates HG $ ===> *SECTION_SHELL - ELFORM $ $ $ Units: mm, kg, ms, kN, GPa, kN-mm $ $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$ $ $$$$ Control Ouput $ $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$ $ $...>....1....>....2....>....3....>....4....>....5....>....6....>....7....>....8 $ *CONTROL_TERMINATION $ endtim endcyc dtmin endneg endmas 10.01 $ *CONTROL_ENERGY $ HGEN RWEN SLNTEN RYLEN 2 2 1 1 $ *CONTROL_OUTPUT $ NPOPT NEECHO NREFUP IACCOP OPIFS IPNINT IKEDIT 1 3 $ $ *DATABASE_BINARY_D3PLOT $ dt lcdt 1.0 $ *DATABASE_BINARY_D3THDT $ dt lcdt 999999 $ *DATABASE_GLSTAT $ dt 0.1 $ *DATABASE_MATSUM $ dt 0.1 $ *DATABASE_SWFORC $ dt 0.1 $ $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$ $ $$$$ Constrain the Plates Together $ $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$ $ $$$ Spotweld the fuse plate to the post flanges. $ *CONSTRAINED_SPOTWELD $ n1 n2 sn sf n m 284 511 247 512 428 527 417 517 $ $ $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$ $ $$$$ Boundary and Loading Conditions $ $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$ $ $...>....1....>....2....>....3....>....4....>....5....>....6....>....7....>....8 $ *BOUNDARY_SPC_NODE $ nid cid x y z rx ry rz 150 0 1 1 1 1 1 1 151 0 1 1 1 1 1 1 152 0 1 1 1 1 1 1 179 0 1 1 1 1 1 1 180 0 1 1 1 1 1 1 181 0 1 1 1 1 1 1 204 0 1 1 1 1 1 1 205 0 1 1 1 1 1 1 $ *LOAD_NODE_POINT $ nid dof lcid sf cid m1 m2 m3 17 1 2 2.000E+03 0 18 1 2 2.000E+03 0 19 1 2 2.000E+03 0 61 1 2 2.000E+03 0 62 1 2 2.000E+03 0 63 1 2 2.000E+03 0 100 1 2 2.000E+03 0 101 1 2 2.000E+03 0 $ *DEFINE_CURVE $ lcid sidr scla sclo offa offo 2 $ abscissa ordinate 0.00000000000000E+00 1.0000000000000E+00 1.00000000000000E+04 1.0000000000000E+04 $ $ $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$ $ $$$$ Define Parts and Materials $ $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$ $ $...>....1....>....2....>....3....>....4....>....5....>....6....>....7....>....8 $ *PART $ pid sid mid eosid hgid grav adpopt pstflang 1 1 1 postweb 2 2 1 fuseplat 3 3 1 $ $ $$$$ Materials $ $ *MAT_PIECEWISE_LINEAR_PLASTICITY $...>....1....>....2....>....3....>....4....>....5....>....6....>....7....>....8 $ mid ro e pr sigy etan eppf tdel 1 0.783E-05 2.000E+02 0.3 2.070E-01 7.500E-01 $ Cowper/Symonds Strain Rate Parameters $ c p lcss lcsr 40 5 $ Plastic stress/strain curve 0.000E+00 8.000E-02 1.600E-01 4.000E-01 9.900E+01 2.070E-01 2.500E-01 2.750E-01 2.899E-01 3.000E-01 $ $ $$$$ Sections $ *SECTION_SHELL $ sid elform shrf nip propt qr/irid icomp 1 6 $ t1 t2 t3 t4 nloc 5.4600E+00 5.460E+00 5.460E+00 5.460E+00 $ *SECTION_SHELL $ sid elform shrf nip propt qr/irid icomp 2 6 $ t1 t2 t3 t4 nloc 4.3200E+00 4.320E+00 4.320E+00 4.320E+00 $ $ *SECTION_SHELL $ sid elform shrf nip propt qr/irid icomp 3 2 $ 3 6 $ t1 t2 t3 t4 nloc 4.7625E+00 4.762E+00 4.762E+00 4.762E+00 $ $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$ $ $$$$ Define Nodes and Elements $ $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$ $ $...>....1....>....2....>....3....>....4....>....5....>....6....>....7....>....8 $ $ *END