*HEADING *NODE 1, 0.5, 0.5, 0. 2, 0., 0.5, 0.5 3, 0.5, 0.5, 0.5 4, 0., -0.5, 0.5 5, 0.5, -0.5, 0. 6, 0.5, -0.5, 0.5 7, -0.5, -0.5, 1. 8, -0.5, -0.5, 0.5 9, -0.5, 0.5, 1. 10, -0.5, 0.5, 0.5 11, 0.5, 0.5, 1. 12, 0., 0.5, 1. 13, 0.5, -0.5, 1. 14, 0., -0.5, 1. 15, -0.5, 0.5, 0. 16, 0., 0.5, 0. 17, -0.5, -0.5, 0. 18, 0., -0.5, 0. *ELEMENT, TYPE=C3D6, ELSET=CUBE 1, 3, 2, 1, 6, 4, 5 2, 8, 7, 4, 10, 9, 2 3, 12, 2, 11, 14, 4, 13 4, 16, 2, 15, 18, 4, 17 5, 14, 4, 7, 12, 2, 9 6, 10, 15, 2, 8, 17, 4 7, 18, 4, 5, 16, 2, 1 8, 6, 4, 13, 3, 2, 11 *ELSET,ELSET=EONE 2 *NSET,NSET=NONE 2 *DISTRIBUTION TABLE, NAME=ORIENTATIONTABLE COORD3D, COORD3D *DISTRIBUTION, NAME=DISTORI, TABLE=ORIENTATIONTABLE, LOCATION=ELEMENT , 1., 0., 0., 0., 1., 0. 1, 1., 1., 1., -1., 1.,-1. 2, 1., 1.,-1., -1., 1., 1. 3, -1., 1.,-1., 1., 1., 1. 4, -1.,-1., 1., 1.,-1.,-1. 5, -1., 1., 1., 1., 1.,-1. 6, -1.,-1.,-1., 1.,-1., 1. 7, 1.,-1.,-1., -1.,-1., 1. 8, 1.,-1., 1., -1.,-1.,-1. *DISTRIBUTION TABLE, NAME=ANGLETABLE ANGLE *DISTRIBUTION, NAME=DISTANGLE, TABLE=ANGLETABLE, LOCATION=ELEMENT ,0 1, 0.0 2, 1.0 3, 2.0 4, 3.0 5, 4.0 6, -1.0 7, -2.0 8, -3.0 *ORIENTATION, NAME=ORI DISTORI 3, DISTANGLE *SOLID SECTION, ELSET=CUBE, MATERIAL=MATERIAL-1, ORIENTATION=ORI 1., *NSET, NSET=FIX 4, 5, 6, 7, 8, 11, 13, 14, 17, 18 *NSET, NSET=LOAD 1, 2, 3, 9, 10, 12, 15, 16 *MATERIAL, NAME=MATERIAL-1 *ELASTIC, TYPE=ENGINEERING CONSTANTS 3E+06, 4E+06, 5E+06, 0.1, 0.2, 0.3,300000.,400000. 500000., *DENSITY 0.750E-3 *ELSET, ELSET=EALL, GENERATE 1, 8, 1 *PSD-DEFINITION, NAME=WHITE, TYPE=FORCE 1.0,0.1,0.0 1.0,0.1,60.0 *SPECTRUM, NAME=SPEC,TYPE=ACCELERATION 0., 0., 0. 1.E5, 10., 0. 1.E5, 100., 0. *BOUNDARY FIX, 1,3 ** ** -------------------------------------------------- ** *STEP, PERTURBATION, NAME=STEP-0 DEFINE RESIDUAL MODES *STATIC *LOAD CASE, NAME=LC1 *CLOAD LOAD, 2, 1. *END LOAD CASE *LOAD CASE, NAME=LC2 *CLOAD LOAD, 3, 1. *END LOAD CASE *OUTPUT,FIELD,FREQUENCY=0 *END STEP ** ** -------------------------------------------------- ** *STEP, NAME=STEP-1 FREQUENCY ANALYSIS *FREQUENCY,RESIDUAL MODES 5, *EL PRINT S, *NODE PRINT U, *OUTPUT, FIELD *NODE OUTPUT U, *ELEMENT OUTPUT S, *END STEP ** ** -------------------------------------------------- ** *STEP, NAME=STEP-2 SSD MODE-BASED *STEADY STATE DYNAMICS, INTERVAL=EIGENFREQUENCY 60,120,4 *LOAD CASE,NAME=LC1B *CLOAD LOAD, 2, 1.E5 LOAD, 3, 1.E5 *END LOAD CASE *LOAD CASE,NAME=LC2B *CLOAD LOAD, 2, 2.E5 LOAD, 3, 2.E5 *OUTPUT, FIELD *NODE OUTPUT U *OUTPUT, HISTORY,FREQ=1 *ELEMENT OUTPUT,ELSET=EONE S11,NFORC2 *END LOAD CASE *LOAD CASE,NAME=LC3B *CLOAD LOAD, 2, 2.2E5 LOAD, 3, 2.2E5 *OUTPUT, FIELD *ELEMENT OUTPUT S, *OUTPUT, HISTORY *NODE OUTPUT,NSET=NONE U1 *OUTPUT, HISTORY,FREQ=2 *ELEMENT OUTPUT,ELSET=EONE NFORC2 *END LOAD CASE *EL PRINT, FREQ=999 S, *NODE PRINT, FREQ=0 *SELECT EIGENMODES, GENERATE 1, 5 *MODAL DAMPING, RAYLEIGH 1, 5, 0.5 *END STEP ** ** -------------------------------------------------- ** *STEP, NAME=STEP-3 MODAL DYNAMIC *MODAL DYNAMIC 0.1,1. *CLOAD LOAD, 2, 1.E5 LOAD, 3, 1.E5 *SELECT EIGENMODES, GENERATE 1, 5 *MODAL DAMPING, RAYLEIGH 1, 5, 0.5 *EL PRINT, FREQ=999 S, *NODE PRINT, FREQ=0 *OUTPUT, FIELD, OP=NEW *ELEMENT OUTPUT S, *END STEP ** ** -------------------------------------------------- ** *STEP, NAME=STEP-4 SSD DIRECT *STEADY STATE DYNAMICS, DIRECT, INTERVAL=EIGENFREQUENCY 60., *CLOAD LOAD, 2, 100. *END STEP ** ** -------------------------------------------------- ** *STEP, NAME=STEP-5 SSD SUBSPACE *STEADY STATE DYNAMICS, SUBSPACE PROJECTION, INTERVAL=EIGENFREQUENCY 60., *CLOAD LOAD, 2, 100. *END STEP ** ** -------------------------------------------------- ** *STEP, NAME=STEP-6 RANDOM RESPONSE *RANDOM RESPONSE 60., *SELECT EIGENMODES, GENERATE 1, 5 *CLOAD, LOAD CASE=1 LOAD, 2, 100. *CLOAD, LOAD CASE=2 LOAD, 2, 100. *CORRELATION, PSD=WHITE, TYPE=UNCORRELATED, COMPLEX=NO 1,1 2,1 *END STEP ** ** -------------------------------------------------- ** *STEP, NAME=STEP-7 RESPONSE SPECTRUM *RESPONSE SPECTRUM, SUM=ABS, COMP=ALG SPEC,0.,1.,0.,1. *SELECT EIGENMODES, GENERATE 1, 5 *END STEP ** ** -------------------------------------------------- ** *STEP, NLGEOM=YES, NAME=STEP-8 STATIC *STATIC 1.0, 1.0 *BOUNDARY LOAD, 1, 1, 0.025 LOAD, 2, 2, 0.050 *EL PRINT, FREQ=999 S, *NODE PRINT, FREQ=999 U, *OUTPUT, FIELD, OP=NEW *NODE OUTPUT U, *ELEMENT OUTPUT S, *END STEP ** ** -------------------------------------------------- ** *STEP, PERTURBATION, NAME=STEP-9 STATIC *STATIC *EL PRINT, FREQ=999 S, *NODE PRINT, FREQ=0 *OUTPUT, FIELD, OP=NEW *ELEMENT OUTPUT S, *LOAD CASE, NAME=LOAD1 *DLOAD EALL, BX, 1.E3 *END LOAD CASE *LOAD CASE, NAME=LOAD2 *DLOAD EALL, GRAV, 1.E6, 0.,1.,0. *END LOAD CASE *LOAD CASE, NAME=LOAD3 *DLOAD EALL, CENT, 100.,0.,0.,0.,1.,0. *END LOAD CASE *LOAD CASE, NAME=LOAD4 *DLOAD EALL, CENTRIF, 1.E6,0.,0.,0.,1.,0. *END LOAD CASE *END STEP