*HEADING *NODE 1, 0.5, 0.5, 1. 2, 0.5, -0.5, 1. 3, 0.5, -0.5, 0. 4, 0.5, 0.5, 0. 5, -0.5, -0.5, 1. 6, -0.5, -0.5, 0. 7, -0.5, 0.5, 0. 8, -0.5, 0.5, 1. 9, 0., 0., 0.5 *ELSET, ELSET=CUBE1 1,2 *ELSET, ELSET=CUBE2 3,4 *ELSET, ELSET=CUBE3 5,6 *ELSET, ELSET=CUBE4 7,8 *ELSET, ELSET=CUBE5 9,10 *ELSET, ELSET=CUBE6 11,12 *ELEMENT, TYPE=C3D4, ELSET=CUBE 1, 9, 6, 8, 7 2, 9, 3, 6, 4 3, 9, 4, 6, 7 4, 9, 5, 8, 6 5, 9, 3, 5, 6 6, 9, 5, 2, 8 7, 9, 2, 5, 3 8, 9, 4, 2, 3 9, 9, 1, 2, 4 10, 9, 8, 2, 1 11, 9, 7, 1, 4 12, 9, 8, 1, 7 *DISTRIBUTION TABLE, NAME=ORIENTATIONTABLE COORD3D, COORD3D *DISTRIBUTION, NAME=DISTORI, TABLE=ORIENTATIONTABLE, LOCATION=ELEMENT , 1., 0., 0., 0., 1., 0. CUBE1, 1., 1., 1., -1., 1.,-1. CUBE2, 1., 1.,-1., -1., 1., 1. CUBE3, -1., 1.,-1., 1., 1., 1. CUBE4, -1.,-1., 1., 1.,-1.,-1. CUBE5, -1., 1., 1., 1., 1.,-1. CUBE6, -1.,-1.,-1., 1.,-1., 1. *DISTRIBUTION TABLE, NAME=ANGLETABLE ANGLE *DISTRIBUTION, NAME=DISTANGLE, TABLE=ANGLETABLE, LOCATION=ELEMENT ,0 CUBE1, 0.0 CUBE2, 1.0 CUBE3, 2.0 CUBE4, 3.0 CUBE5, 4.0 CUBE6, -1.0 *ORIENTATION, NAME=ORI DISTORI 3, DISTANGLE *SOLID SECTION, ELSET=CUBE, MATERIAL=MATERIAL-1, ORIENTATION=ORI 1., *NSET, NSET=FIX 1, 2, 3, 5, 6 *NSET, NSET=LOAD 4, 7, 8 *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, 12, 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, NAME=STEP-1 FREQUENCY ANALYSIS *FREQUENCY,SIM,normalization=mass 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, *EL PRINT, FREQ=999 S, *NODE PRINT, FREQ=0 *OUTPUT, FIELD, OP=NEW *ELEMENT OUTPUT S, *CLOAD LOAD, 2, 1.E5 LOAD, 3, 1.E5 *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 *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