*HEADING ES64SCT2: FREQUENCY & LINEAR DYNAMICS FOR COMP. SHELLS W/ TRANSV SHEAR [S4R] GAUSS INTEGRATION WITH 7 SECTION POINTS *RESTART,WRITE *NODE,NSET=NALL 1, 0., 0. 3, 0., 1. 21, 10., 0. 23, 10., 1. *NSET,NSET=SIDE1 1,21 *NSET,NSET=SIDE2 21,23 *NSET,NSET=SIDE3 3,23 *NSET,NSET=SIDE4 1,3 *ELEMENT,TYPE=S4R,ELSET=EL 1, 1,21,23,3 *SHELL SECTION,COMPOSITE,ELSET=EL, SECTION=GAUSS .5, 7, LAMINA, ZERO .5, 7, LAMINA, PL90 .5, 7, LAMINA, ZERO *MATERIAL,NAME=LAMINA *ELASTIC,TYPE=LAMINA 25.E6, 1.E6, .25, 0.5E6, 0.5E6, 0.2E6 *DENSITY 1.E-4, *ORIENTATION,NAME=ZERO 1,0,0, 0,1,0 3, 0. *ORIENTATION,NAME=PL90 1,0,0, 0,1,0 3, 90. *SPECTRUM,NAME=SPEC,TYPE=ACCELERATION 0., 0., 0. 1.E5, 1000., 0. 1.E5, 10000., 0. ******************************************************************************** *STEP,PERT ** STATIC ANALYSIS: TRANSVERSE SHEAR MODE *STATIC *BOUNDARY SIDE4,1,6 SIDE2,2,2 SIDE2,4,6 SIDE2,3,3,1. *EL PRINT S, TSHR, E, *EL PRINT SF, SSAVG, SE, *OUTPUT,FIELD *ELEMENT OUTPUT S, TSHR, E, *OUTPUT,FIELD *ELEMENT OUTPUT SF, SSAVG, SE, *END STEP ******************************************************************************** *STEP,PERT ** STATIC ANALYSIS: UNIAXIAL MODE *STATIC *BOUNDARY SIDE4,1,6 SIDE2,1,1,1. SIDE2,2,3 SIDE2,4,6 *END STEP ******************************************************************************** *STEP,PERT ** FREQUENCY ANALYSIS: TRANSVERSE SHEAR, UNIAXIAL AND TWISTING MODES *FREQUENCY, eigensolver=lanczos 4, , *BOUNDARY SIDE4,1,6 SIDE2,2,2 SIDE2,4,6 *EL PRINT S, TSHR, E, *EL PRINT SF, SSAVG, SE, *OUTPUT,FIELD, MODE LIST 1,3 *ELEMENT OUTPUT TSHR, *OUTPUT,FIELD *ELEMENT OUTPUT S, E, *OUTPUT,FIELD *ELEMENT OUTPUT SF, SSAVG, SE, *END STEP ******************************************************************************** *STEP ** TRANSVERSE SHEAR MODE *STEADY STATE DYNAMICS 1., 100., 10000., *CLOAD SIDE2,3,10000. *EL PRINT S, TSHR, E, *EL PRINT SF, SSAVG, SE, *NODE PRINT U, *MODAL PRINT GU,GV,GA *OUTPUT,FIELD *ELEMENT OUTPUT S, TSHR, E, *OUTPUT,FIELD *ELEMENT OUTPUT SF, SSAVG, SE, *OUTPUT,FIELD *NODE OUTPUT U, *OUTPUT,HISTORY,FREQUENCY=1 *MODAL OUTPUT GU,GV,GA *END STEP ******************************************************************************** *STEP ** TRANSVERSE SHEAR MODE *STEADY STATE DYNAMICS,SUBSPACE PROJECTION 1., 100., 10000., *CLOAD SIDE2,3,10000. *EL PRINT S, TSHR, E, *EL PRINT SF, SSAVG, SE, *NODE PRINT U, *OUTPUT,FIELD *ELEMENT OUTPUT S, TSHR, E, *OUTPUT,FIELD *ELEMENT OUTPUT SF, SSAVG, SE, *OUTPUT,FIELD *NODE OUTPUT U, *END STEP ******************************************************************************** *STEP ** TRANSVERSE SHEAR MODE *STEADY STATE DYNAMICS,DIRECT 1., 100., 10000., *BOUNDARY SIDE4,1,6 SIDE2,2,2 SIDE2,4,6 *CLOAD SIDE2,3,10000. *EL PRINT S, TSHR, E, *EL PRINT SF, SSAVG, SE, *NODE PRINT U, *OUTPUT,FIELD *ELEMENT OUTPUT S, TSHR, E, *OUTPUT,FIELD *ELEMENT OUTPUT SF, SSAVG, SE, *OUTPUT,FIELD *NODE OUTPUT U, *END STEP ******************************************************************************** *STEP ** TIME HISTORY ANALYSIS: TRANSVERSE SHEAR MODE *MODAL DYNAMIC .1,.3 *CLOAD SIDE2,3,10000. *EL PRINT S, TSHR, E, *EL PRINT SF, SSAVG, SE, *NODE PRINT U, *MODAL PRINT GU,GV,GA *OUTPUT,FIELD *ELEMENT OUTPUT S, TSHR, E, *OUTPUT,FIELD *ELEMENT OUTPUT SF, SSAVG, SE, *OUTPUT,FIELD *NODE OUTPUT U, *OUTPUT,HISTORY,FREQUENCY=1 *MODAL OUTPUT GU,GV,GA *END STEP ******************************************************************************** *STEP ** RESPONSE SPECTRUM ANALYSIS *RESPONSE SPECTRUM,SUM=ABS,COMP=ALG SPEC,0.,0.,1.,386.4 *EL PRINT S, TSHR, E, *EL PRINT SF, SSAVG, SE, *NODE PRINT U, *MODAL PRINT GU,GV,GA *OUTPUT,FIELD *ELEMENT OUTPUT S, TSHR, E, *OUTPUT,FIELD *ELEMENT OUTPUT SF, SSAVG, SE, *OUTPUT,FIELD *NODE OUTPUT U, *OUTPUT,HISTORY,FREQUENCY=1 *MODAL OUTPUT GU,GV,GA *END STEP