*HEADING
[ACINAX3, TIE]
*PREPRINT, ECHO=YES, MODEL=YES, HISTORY=YES
*NODE,NSET=BEAMS,SYSTEM=C
**********************************
*NODE,NSET=STIFFNER
**********************************
*NGEN,NSET=BEAMS,LINE=C
*NSET,NSET=OUT
*NSET,NSET=P_OUT
**********************************
*NODE,NSET=INNER
*NGEN,NSET=ACOUSTIC,LINE=C
**********************************
*ELEMENT,TYPE=SAX1,ELSET=BEAMS
*ELGEN,ELSET=BEAMS
*ELEMENT,TYPE=SAX1,ELSET=STIFFNER
**********************************
*ELEMENT, TYPE=ACINAX3,ELSET=ACOUSTIC
*ELGEN,ELSET=ACOUSTIC
**********************************
*Elset,ELSET=ACOUSTIC
*SURFACE,TYPE=ELEMENT,NAME=ACOUSTIC
ACOUSTIC,SPOS
*SURFACE,TYPE=ELEMENT,NAME=MASTER
BEAMS,SPOS
*TIE,NAME=COUPLING
ACOUSTIC,MASTER
**********************************
*MATERIAL,NAME=WATER
*DENSITY
1000.0,
*ACOUSTIC MEDIUM,BULK MODULUS
*SOLID SECTION,MATERIAL=WATER,ELSET=ACOUSTIC
0.1, 0.0,0.0,0.0
*******************
*SHELL SECTION,MATERIAL=MAT1,ELSET=BEAMS
0.1
*SHELL SECTION,MATERIAL=MAT1,ELSET=STIFFNER
0.1
*MATERIAL,NAME=MAT1
*ELASTIC
207E9,0.3
*DENSITY
7800
**********************************
*STEP,INC=1000
*STEADY STATE DYNAMIC,DIRECT
*CLOAD
55,2,100.0
*BOUNDARY
25001,1,1,0.0
25071,1,1,0.0
25001,6,6,0.0
25071,6,6,0.0
55,1,1,0.0
55,6,6,0.0
*NODE PRINT,FREQ=1,NSET=BEAMS
U,V,A
*OUTPUT,FIELD,FREQ=1
*NODE OUTPUT,NSET=BEAMS
U,POR
*NODE OUTPUT,NSET=ACOUSTIC
POR
*OUTPUT,HISTORY,FREQ=1
*NODE OUTPUT,NSET=BEAMS
U,V,A
*NODE OUTPUT,NSET=ACOUSTIC
POR,
*END STEP