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110,144,1 *NSET, NSET=FRONT, INSTANCE=SHELL 2,3 *NSET, NSET=LEADING-EDGE, INSTANCE=SHELL 1, 2 *ELSET, ELSET=LEADING-EDGE, INSTANCE=SHELL 1, *NSET, NSET=SHELL, INSTANCE=SHELL, GENERATE 1, 144, 1 *ELSET, ELSET=SHELL, INSTANCE=SHELL, GENERATE 1, 72, 1 *NSET, NSET=TRAILING-EDGE, INSTANCE=SHELL 3, 4 *ELSET, ELSET=TRAILING-EDGE, INSTANCE=SHELL 36, *ELSET, ELSET=SHELL-FLUID, INSTANCE=SHELL, GENERATE 1, 72, 1 *SURFACE, TYPE=ELEMENT, NAME=SHELL-FLUID SHELL-FLUID, SPOS *END ASSEMBLY ** *MATERIAL, NAME=SHELL *DENSITY 7.85, *ELASTIC 98.125, 0.3 ** ** *BOUNDARY FRONT,3,5 BACK,3,5 ** ** ********************************************************** *INCIDENT WAVE INTERACTION PROPERTY, NAME=Shhhhh, TYPE=SPHERE 1., 1.,1.11111,.11111,.000001 *ACOUSTIC WAVE FORMULATION, TYPE=SCATTERED WAVE *AMPLITUDE,DEFINITION=TABULAR,NAME=STEP,TIME=TOTALTIME -3.0,0.0, 0.0,0.0, 0.1,1.0, 15.0,1.0 **-------------------------------------------------------- ** *STEP, NAME=XPL *DYNAMIC, EXPLICIT, DIRECT USER CONTROL 0.01, 6. *BULK VISCOSITY .25,10. *INCIDENT WAVE INTERACTION,PRESSUREAMPLITUDE=STEP,PROPERTY=Shhhhh SHELL-FLUID, SOURCE, STANDOFF, -1.0E-4 *OUTPUT, FIELD,NUMBERINTERVAL=200 *NODE OUTPUT U, *OUTPUT, HISTORY *NODE OUTPUT, NSET=TRAILING-EDGE U, V,A *NODE OUTPUT, NSET=LEADING-EDGE U, V,A *END STEP