Oasys LS-DYNA Environment 8.1 VOLUME 3 ... - Oasys Software

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Oasys LS-DYNA Environment: User Guide (Version 8.1) List of first LS-DYNA input deck: *KEYWORD *TITLE CANTILEVER BEAM WITHOUT DAMPING $ $================================ CONTROL CARDS ================================ $ *CONTROL_TERMINATION $ [1] Termination time [2] Termination Cycle [3] Minimum timestep scale factor $ [4] % Energy change for termination [5] % Mass change for termination $ 1 ][ 2 ][ 3 ][ 4 ][ 5 ] 5.001E-01 0 .000E+00 .000E+00 .000E+00 *CONTROL_SHELL $ [1] Shell warpage angle [2] Automatic sorting of triangles [3] Hughes-Liu $ update option [4] Shell thickness change option [5] Shell theory [6] Warping $ stiffness [7] Plane stress plasticity option $ 1 ][ 2 ][ 3 ][ 4 ][ 5 ][ 6 ][ 7 ] .000E+00 0 0 0 0 0 0 *CONTROL_CONTACT $ [1] Interface penalty scale factor [2] Rigid wall penalty scale factor $ [3] Initial penetration check [4] Shell thickness in type 3,5,10 contacts [5] $ Penalty stiffness option [6] Consider shell thickness change (single surface $ contact) [7] Automatic reorientation of interface segments $ 1 ][ 2 ][ 3 ][ 4 ][ 5 ][ 6 ][ 7 ] 1.000E-01 .000E+00 0 0 1 0 0 $ [1] Storage per contact surface [2] Storage per user defined friction $ [3] Timesteps between bucket searches [4] Intermittent searching [5] Search $ multiplier [6] Shell thickness logic [7] Timstep override for eroding contacts $ 1 ][ 2 ][ 3 ][ 4 ][ 5 ][ 6 ][ 7 ] 0 0 0 0 .000E+00 *CONTROL_ENERGY $ [1] Compute hourglass energy [2] Compute stonewall energy dissipation $ [3] Compute sliding interface energy [4] Compute Rayleigh energy dissipation $ 1 ][ 2 ][ 3 ][ 4 ] 0 0 0 0 *CONTROL_DAMPING $ [1] No cycles between convergence checks [2] DR convergence tolerance [3] DR $ damping factor [4] DR Optional termination time [5] Scale factor for DR time $ step [6] Automatic control for DR option [7] Convergence tolerance for $ automatic DR [8] DR flag for stress initialization $ 1 ][ 2 ][ 3 ][ 4 ][ 5 ][ 6 ][ 7 ][ 8 ] 100 1.000E-03 9.950E-01 .000E+00 9.000E-01 0 .000E+00 0 *CONTROL_OUTPUT $ [1] Print suppression during input phase [2] Print suppression for echo file $ [3] Update beam reference nodes [4] Average accelerations from velocities $ [5] Output interval for interface file [6] Print all element initial timestep $ [7] Number of cycles between output to otf file $ 1 ][ 2 ][ 3 ][ 4 ][ 5 ][ 6 ][ 7 ] 0 0 0 0 .000E+00 2 1000 *CONTROL_TIMESTEP $ [1] Initial timestep size [2] Scale factor for computed timestep [3] Basis of $ timestep size calculation [4] Minimum timestep for shell elements [5] Timestep $ size for mass scaled solution [6] Load curve number that limits time step $ [7] Erode solids and shells when minimum timestep reached $ 1 ][ 2 ][ 3 ][ 4 ][ 5 ][ 6 ][ 7 ] .000E+00 .000E+00 0 .000E+00 .000E+00 0 0 0 *CONTROL_HOURGLASS 4 .000E+00 $ $================================ DATABASE CARDS =============================== $ *DATABASE_SECFORC 5.000E-03 *DATABASE_NODOUT 1.000E-03 *DATABASE_ELOUT 5.000E-01 *DATABASE_BINARY_D3PLOT 5.000E-02 0 1 *DATABASE_BINARY_XTFILE *DATABASE_BINARY_D3THDT 5.000E-03 0 *DATABASE_BINARY_D3DUMP 0 *DATABASE_BINARY_RUNRSF 0 *DATABASE_BINARY_INTFOR 5.000E-02 0 Page A.56
Oasys LS-DYNA Environment: User Guide (Version 8.1) *DATABASE_HISTORY_NODE 21 *DATABASE_HISTORY_SHELL 1 *DATABASE_EXTENT_BINARY 0 0 0 1 0 0 0 0 0 0 0 $ CROSS SECTION 1 *DATABASE_CROSS_SECTION_SET 1 0 0 1 0 0 *SET_NODE_LIST 1 1 2 *SET_SHELL_LIST 1 1 $ $============================ MATERIAL PROPERTIES ============================== $ *MAT_ELASTIC $ Material 1 : BEAM - ELASTIC MATERIAL 1 1.000E-08 2.100E+05 .3000 .000E+00 .000E+00 $ $============================= SECTION PROPERTIES ============================== $ *SECTION_SHELL $ Section 1 : BEAM - ELASTIC MATERIAL 1 2 1.00000 2.0 1.0 .0 0 1.000E+01 1.000E+01 1.000E+01 1.000E+01 .000E+00 $ $============================== PART DEFINITIONS =============================== $ *PART BEAM - ELASTIC MATERIAL 1 1 1 0 0 0 $ $=================================== NODES ===================================== $ *NODE $ ID X COORDINATE Y COORDINATE Z COORDINATE TRANS ROT 1 .00000000E+00 .00000000E+00 .00000000E+00 0 0 ... 22 .10000000E+04 .10000000E+03 .00000000E+00 0 0 $ $================================== ELEMENTS =================================== $ *ELEMENT_SHELL $ ID PART NODE 1 NODE 2 NODE 3 NODE 4 1 1 1 3 4 2 ... 10 1 19 21 22 20 $ $============================ BOUNDARY CONDITIONS ============================== $ *BOUNDARY_SPC_NODE $ NODE COORD-SYS X-TRANS Y-TRANS Z-TRANS X-ROT Y-ROT Z-ROT 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 *DEFINE_COORDINATE_SYSTEM 1 .0 .0 .0 1.0 .0 .0 .0 1.0 .0 $ $================================= CONSTRAINTS ================================= $ $ $================================= RIGID WALLS ================================= $ $ $============================== INITIAL CONDITIONS ============================= $ $ $================================== LOADING ==================================== $ $ NODE DOF CURVE ID FACTOR CID M1 M2 M3 *LOAD_NODE_POINT 21 3 1 5.000E-01 0 0 0 0 22 3 1 5.000E-01 0 0 0 0 $ $=============================== LOAD CURVES =================================== $ *DEFINE_CURVE Page A.57
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