*HEADING EXPLICIT: GLOBAL MODEL ACOUSTIC TO STRUCTURE SUBMODELING [CPS4R/AC2D4R] ACOUSTIC PRESSURE APPLIED ON ONE SIDE OF THE SOLID; *PREPRINT, ECHO=YES,MODEL=YES,HISTORY=YES *PARAMETER F=15.0 T=1.0/F T10=10*T T2=2*T T4=4*T T6=6*T T01=0.1*T F_OUT_HIST=T/10000 OMEGA=2*3.14159*F *NODE,NSET=ACOUS 1,2.0,0.0 2,2.5,0.0 3,3.0,0.0 4,2.0,0.5 5,2.5,0.5 6,3.0,0.5 7,2.0,1.0 8,2.5,1.0 9,3.0,1.0 *NODE,NSET=SOLID 10,2.0,1.0 11,2.5,1.0 12,3.0,1.0 *** 22,2.0,3.0 23,2.5,3.0 24,3.0,3.0 *NGEN,NSET=SOLID 10,22,3 11,23,3 12,24,3 *NSET,NSET=QA_TEST SOLID, *NSET,NSET=ACOUS_BOT 1,2,3 *NSET,NSET=SOLID_TOP 22,23,24 *NSET,NSET=POR 7,8,9 *ELEMENT,TYPE=AC2D4R,ELSET=ACOUS 1,1,2,5,4 2,2,3,6,5 3,4,5,8,7 4,5,6,9,8 *ELEMENT,TYPE=CPS4R,ELSET=SOLID 5,10,11,14,13 *ELGEN,ELSET=SOLID 5,2,1,1,4,3,2 *SOLID SECTION, MATERIAL=FLUID,ELSET=ACOUS 1.0, *SOLID SECTION, MATERIAL=STEEL,ELSET=SOLID 1.0, *MATERIAL,NAME=FLUID *DENSITY 1000.0, *ACOUSTIC MEDIUM 2.25E9 *MATERIAL,NAME=STEEL *DENSITY 7800.0, *ELASTIC 207E9,0.3 *SURFACE,TYPE=ELEMENT,NAME=FLUID 3,S3 4,S3 *SURFACE,TYPE=ELEMENT,NAME=SOLID 5,S1 6,S1 *TIE,NAME=BOT,ADJUST=NO SOLID,FLUID *AMPLITUDE,NAME=SINE,DEF=PERIODIC 1,,0.0,0.0 0,1,0,0 *NSET,NSET=DRIV 1,2,3 *BOUNDARY SOLID_TOP,1,3 *STEP *DYNAMIC,EXPLICIT , *BOUNDARY,AMP=SINE DRIV,8,,1e10 ********************* *FILE OUTPUT,NUM=50 *NODE FILE,NSET=SOLID U, *NODE FILE,NSET=ACOUS POR, ********************* *OUTPUT,FIELD,NUM=50,TIMEMARKS=YES *NODE OUTPUT,NSET=ACOUS POR, *NODE OUTPUT,NSET=SOLID U, *ELEMENT OUTPUT, ELSET=SOLID S, ******************* *OUTPUT,HISTORY,TIME INTERVAL= *NODE OUTPUT,NSET=SOLID U, *NODE OUTPUT,NSET=POR POR, *ELEMENT OUTPUT,ELSET=SOLID S, *****************QA_TEST*********** *OUTPUT, FIELD, NUMBER INTERVAL = 1, TIMEMARKS=YES *NODE OUTPUT,NSET=QA_TEST U, *************************** *END STEP