*HEADING
STANDARD: SUBMODEL from ac2solid_g_s4_ac3d8_std
ACOUSTIC TO STRUCTURE SUBMODELING [S4}
Acoustic pressure ON BOTH SIDES of the SHELL.
GLOBAL ELSET PARAMETER HAS TO BE USED
*preprint, model=yes, history=yes
*PARAMETER
f=15
T1=1.0/f
T01=0.1*T1
******************
*NODE,NSET=NSOLID
200,2.0, -0.50, 1.5
201,2.0, -0.50, 1.0
202,2.0, -0.50, 0.5
203,2.0, -0.50, 0.0
204,2.0, -0.5, -0.5
1000,2.0, -0.5, 1.25
1001,2.0, -0.5, 0.75
1002,2.0, -0.5, 0.25
1003,2.0, -0.5,-0.25
***
1004, 2.0, -0.25, 1.5
1006, 2.0, -0.25, 1.0
1007, 2.0, -0.25, 0.5
1008, 2.0, -0.25, 0.0
1009, 2.0, -0.25,-0.5
***
205,2.0, 0.0, 1.5
206,2.0, 0.0, 1.0
207,2.0, 0.0, 0.5
208,2.0, 0.0, 0.0
209,2.0, 0.0,-0.5
1010,2.0, 0.0, 1.25
1011,2.0, 0.0, 0.75
1012,2.0, 0.0, 0.25
1013,2.0, 0.0, -0.25
***
1014, 2.0, 0.25, 1.5
1015, 2.0, 0.25, 1.0
1016, 2.0, 0.25, 0.5
1017, 2.0, 0.25, 0.0
1018, 2.0, 0.25,-0.5
***
210,2.0, 0.50, 1.5
211,2.0, 0.50, 1.0
212,2.0, 0.50, 0.5
213,2.0, 0.50, 0.0
214,2.0, 0.50,-0.5
1019, 2.0, 0.50, 1.25
1020, 2.0, 0.5, 0.75
1021, 2.0, 0.5, 0.25
1022, 2.0, 0.5,-0.25
***
1023, 2.0, 0.75, 1.5
1024, 2.0, 0.75, 1.0
1025, 2.0, 0.75, 0.5
1026, 2.0, 0.75, 0.0
1027, 2.0, 0.75, -0.5
***
215,2.0, 1.0, 1.5
216,2.0, 1.0, 1.0
217,2.0, 1.0, 0.5
218,2.0, 1.0, 0.0
219,2.0,1.0,-0.5
1028, 2.0, 1.0, 1.25
1029, 2.0, 1.0, 0.75
1030, 2.0, 1.0, 0.25
1031, 2.0, 1.0,-0.25
***
1032, 2.0, 1.25, 1.5
1033, 2.0, 1.25, 1.0
1034, 2.0, 1.25, 0.5
1035, 2.0, 1.25, 0.0
1036, 2.0, 1.25, -0.5
***
220,2.0, 1.50, 1.5
221,2.0, 1.50, 1.0
222,2.0, 1.50, 0.5
223,2.0, 1.50, 0.0
224,2.0,1.50,-0.5
1037, 2.0, 1.5, 1.25
1038, 2.0, 1.5, 0.75
1039, 2.0, 1.5, 0.25
1040, 2.0, 1.5, -0.25
**
*NSET,NSET=FIX
200,220,224,204
*ELEMENT,TYPE=S8R,ELSET=ESOLID
11,200,201,206,205,1000,1006,1010,1004
12,201,202,207,206,1001,1007,1011,1006
13,202,203,208,207,1002,1008,1012,1007
14,203,204,209,208,1003,1009,1013,1008
15,205,206,211,210,1010,1015,1019,1014
16,206,207,212,211,1011,1016,1020,1015
17,207,208,213,212,1012,1017,1021,1016
18,208,209,214,213,1013,1018,1022,1017
19,210,211,216,215,1019,1024,1028,1023
20,211,212,217,216,1020,1025,1029,1024
21,212,213,218,217,1021,1026,1030,1025
22,213,214,219,218,1022,1027,1031,1026
23,215,216,221,220,1028,1033,1037,1032
24,216,217,222,221,1029,1034,1038,1033
25,217,218,223,222,1030,1035,1039,1034
26,218,219,224,223,1031,1036,1040,1035
*SHELL SECTION, ELSET=ESOLID, MATERIAL=ELAS
0.2
*MATERIAL, NAME=ELAS
*ELASTIC
207E9,0.3
*DENSITY
7800.0
*SURFACE, TYPE=ELEMENT, NAME=SHELL1
16,SNEG
17,SNEG
20,SNEG
21,SNEG
*SURFACE, TYPE=ELEMENT, NAME=SHELL2
16,SPOS
17,SPOS
20,SPOS
21,SPOS
*SUBMODEL,ACOUSTIC TO STRUCTURE,ABSOLUTE=0.2,GLOBAL ELSET=v64-5139-EFLUID1
SHELL1,
*SUBMODEL,ACOUSTIC TO STRUCTURE,ABSOLUTE=0.2,GLOBAL ELSET=V64-5139-EFLUID2
SHELL2,
*NSET,NSET=DRIV
206,207,208,211,212,213,
216,217,218,1011,1012,1015,1016,1017,
1020,1021,1024,1025,1026,1029,1030
*NSET, NSET=QA_TEST
NSOLID,
*****
*BOUNDARY
fix,1,6
*STEP, NLGEOM=YES
*DYNAMIC,DIRECT
0.0001,<T01>
*BOUNDARY,SUBMODEL,STEP=1
DRIV,8,8
***********************************
*OUTPUT,FIELD,FREQ=10
*NODE OUTPUT, NSET=NSOLID
U,
*OUTPUT, HISTORY,FREQ=1
*NODE OUTPUT,NSET=NSOLID
U1,
*****************QA_TEST***********
*OUTPUT, FIELD, FREQ = 9999999
*NODE OUTPUT,NSET=QA_TEST
U,
*END STEP