*HEADING
EXPLICIT:SUBMODEL from ac2solid_g_c3d8r_ac3d8r_xpl
ACOUSTIC TO STRUCTURE SUBMODELING [C3D8R/AC3D8R]
ACOUSTIC PRESSURE DRIVES ON ONE SIDE OF THE STRUCTURE;
DISPLACEMENT DRIVES THE OTHER SIDE OF THE STRUCTURE;
*PARAMETER
f=15
T1=1.0/f
T01=0.1*T1
*PREPRINT,model=yes
*NODE, NSET=FRONT_S
*NODE, NSET = CENTER_S
*NODE, NSET = Back_S
*NSET,NSET=QA_TEST
CENTER_S,
*ELEMENT, TYPE=C3D8R, ELSET=SOLID
*SOLID SECTION, ELSET=SOLID, MATERIAL=ELAS
*MATERIAL, NAME=ELAS
*ELASTIC
207E9,0.3
*DENSITY
7800,
**
*SURFACE,NAME=SOLID
1,S3
2,s3
*submodel, acoustic to structure,EXTERIOR=0.1
SOLID,
*SUBMODEL,EXTERIOR=0.1
BACK_S,
**
**
*STEP
*DYNAMIC, EXPLICIT
,<T01>
*BOUNDARY, SUBMODEL, step=1
FRONT_S,8,8
BACK_S,1,2
*****
*OUTPUT,FIELD,NUMBER INTERVAL=10
*NODE OUTPUT
U,
*ELEMENT OUTPUT
S,
*OUTPUT,HISTORY,FREQ=1
*NODE OUTPUT,NSET=FRONT_S
U1,
*****************QA_TEST***********
*OUTPUT, FIELD, NUMBER INTERVAL = 1
*NODE OUTPUT,NSET=QA_TEST
U,
*END STEP