*HEADING fv13t_s3r_f_band: NAFEMS FORCED VIBRATION; TEST 13T; [S3R] (DIRECT INTEGRATION WITH BAND-LIMITED DAMPING) *RESTART,WRITE,NUM=2,TIMEMARKS=NO *NODE 1, 0. 7, 5. 61, 0., 5. 67, 5.,5. *NGEN,NSET=BOT 1,7 *NGEN,NSET=SIDEY 61,67 *NFILL,NSET=NALL BOT,SIDEY,6,10 *NSET,NSET=LEFT,GEN 1,61,20 *NSET,NSET=EDGE BOT,LEFT *NSET,NSET=NMID 67, *NSET,NSET=SIDEX,GENE 7,67,20 *ELEMENT,TYPE=S3R 1,1,12,21 2,1,3,12 3,3,23,12 4,23,21,12 *ELGEN,ELSET=ALLE 1, 3,2,4, 3,20,12 2, 3,2,4, 3,20,12 3, 3,2,4, 3,20,12 4, 3,2,4, 3,20,12 *ELSET,ELSET=EMID 35,36 *SHELL SECTION,MATERIAL=MAT,ELSET=ALLE 0.05, *MATERIAL,NAME=MAT *DENSITY 8000., *ELASTIC 200.E9,0.3 *DAMPING,ALPHA=0.299,BAND LIMITED=0.01, LOW FREQUENCY CUTOFF =1.5, HIGH FREQUENCY CUTOFF=10 *BOUNDARY NALL,1,2 NALL,6 EDGE,1,3 BOT,5 LEFT,4 SIDEX,XSYMM SIDEY,YSYMM ** ** Transient Load ** -------------- ** *NSET,NSET=QA_TEST_SIDEX SIDEX, ** *STEP *DYNAMIC,EXPLICIT,DIRECT 1.65E-4,0.5 *DLOAD ALLE,P,100. ***OUTPUT,HISTORY,TIME INTERVAL=0.005 ***NODE OUTPUT,NSET=NMID **U3, ***ELEMENT OUTPUT,ELSET=EMID **S11, ***ENERGY OUTPUT **ALLWK,ALLIE,ALLKE,ALLAE,ALLVD,ETOTAL *OUTPUT, FIELD, NUMBER INTERVAL=4, TIMEMARKS=YES *NODE OUTPUT, NSET=QA_TEST_SIDEX U, *OUTPUT,FIELD,VARIABLE=PRESELECT *OUTPUT,HISTORY,VARIABLE=PRESELECT,TIMEINT=0.125 *ENDSTEP ** ** Increase the time period to find steady state ** *STEP *DYNAMIC,EXPLICIT,DIRECT 2.625e-4,5.0 ** 2.625E-4,25.0 *DLOAD ALLE,P,100. *OUTPUT, FIELD, NUMBER INTERVAL=4, TIMEMARKS=YES *NODE OUTPUT, NSET=QA_TEST_SIDEX U, *OUTPUT,FIELD,VARIABLE=PRESELECT *OUTPUT,HISTORY,VARIABLE=PRESELECT,TIMEINT=1.25 *ENDSTEP