*parameter factor=1.e0 acousticbulk=20000.0*factor acousticdens=1.e-4*factor *NODE 53, 27.04292, -30. 54, 32.90476, -30. 58, 32.90476, -25. 59, 27.04292, -25. ** 153, 27.04292, -27.5 154, 32.90476, -27.5 ** 43, 27.04292, -20. 44, 27.04292, -25. 254, 32.90476, -20. 55, 32.90476, -25. *Element, type=AC2D4,elset=air 40, 43, 44, 55, 254 *Element, type=CPE4,elset=solid 27, 59, 153, 154, 58 127,153, 53, 54, 154 **27, 59, 53, 54, 58 *Solid Section, elset=air, material=air 1., *Solid Section, elset=solid, material=solid 1., *Material, name=air *Acoustic Medium , *Density , *Material, name=solid *Density 1.e-1 *Elastic 1000.,0. *************** *surface,name=air air,s2 *surface,name=solid 27,s4 *tie,name=airsol,adjust=yes air,solid ***************** *nset,nset=retained,unsorted 53,54 *nset,nset=n58 58, *nset,nset=n154 154, *nset,nset=nout 58,59,43,254 *boundary 53,1,2 54,1,2 ******************************************** *step *frequency,norm=mass, SIM=NO 15,,,-1 *output,field *node output u,por *end step ****************** *step *modal dynamic 1.e-4,0.002 *cload n154,1,10.54 *output,history *node output,nset=n154 u, *node output,nset=retained rf, *end step ************ *step *steady state dynamics,DIRECT,real only,interval=range 2,25,50 *cload 58,2,1.058 *output,history *node output,nset=nout u,por *node output,nset=retained rf, *output,field *elementoutput ener,inten *elementoutput,elset=air acv,gradp,inten *end step ************** *step *steady state dynamics,SUBSPACE,real only,interval=range 2,25,50 *cload 58,2,1.058 *output,history *node output,nset=nout u,por *node output,nset=retained rf, *output,field *elementoutput ener,inten *elementoutput,elset=air acv,gradp,inten *end step ************ *step *steady state dynamics,real only,interval=range 2,25,50 *cload 58,2,1.058 *output,history *node output,nset=nout u,por *node output,nset=retained rf, *output,field *output,field *elementoutput ener *elementoutput,elset=air acv,gradp,inten *end step ************** *step *dynamic,initial=no,alpha=0 1.e-4,0.002 *cload n154,1,10.54 *output,history *node output,nset=n154 u, *end step