*HEADING
**
*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
*NSET,NSET=QA_TEST
P_OUT,
****************************
*NODE,NSET=INNER,SYSTEM=C
*NGEN,NSET=INNER,LINE=C
*****************************
*NSET, NSET=ACOUSTIC
INNER,
*****************************
*ELEMENT, TYPE=ACIN2D2
*ELGEN, ELSET=INF
*SOLID SECTION, ELSET=INF, MATERIAL=WATER
.1,0.,0.,0.
**********************************
*ELEMENT,TYPE=B21,ELSET=BEAMS
*ELGEN,ELSET=BEAMS
*ELEMENT,TYPE=B21,ELSET=STIFFNER
******************
*SURFACE,TYPE=ELEMENT,NAME=SLAVE
INF,Spos
*SURFACE,TYPE=ELEMENT,NAME=MASTER
BEAMS,SPOS
*TIE,NAME=COUPLING
slave,master
************************************
*MATERIAL,NAME=WATER
*DENSITY
1000.0,
*ACOUSTIC MEDIUM,BULK MODULUS
*ACOUSTIC MEDIUM,VOLUMETRICDRAG
*******************
*BEAM SECTION,MATERIAL=MAT1,ELSET=BEAMS,SECTION=RECT
0.1,0.1
*BEAM SECTION,MATERIAL=MAT1,ELSET=STIFFNER,SECTION=RECT
0.1,0.1
*MATERIAL,NAME=MAT1
*ELASTIC
207E9,0.3
*DENSITY
7800
*************************
*AMPLITUDE,DEFINITION=PERIODIC,NAME=SINE
1,628.3185,0,0.0
0.0,1.0
**********************
*STEP
*DYNAMIC,EXPLICIT,DIRECT
2.5e-5,0.003
*BOUNDARY,AMP=SINE,TYPE=ACCEL
75,2,2,1.0E4
*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
*OUTPUT,FIELD,NUMBER=1
*NODE OUTPUT,NSET=BEAMS
U
*NODE OUTPUT,NSET=ACOUSTIC
POR
*NODE OUTPUT,NSET=QA_TEST
POR
*OUTPUT,HISTORY,FREQ=1
*NODE OUTPUT,NSET=OUT
U,V,A
*NODE OUTPUT,NSET=P_OUT
POR,
*END STEP