*HEADING
**
*preprint,model=yes,hist=yes
*PART, NAME=SHELL
*END PART
**
*ASSEMBLY, NAME=ASSEMBLY
**
*INSTANCE, NAME=SHELL, PART=SHELL
*NODE
1, 1., 0., 0.
2, 1., 0., 0.09
3, -1., 0., 0.09
4, -1., 0., 0.
5, 0.996195, -0.0871558, 0.09
6, 0.984808, -0.173648, 0.09
7, 0.965926, -0.258819, 0.09
8, 0.939693, -0.34202, 0.09
9, 0.906308, -0.422618, 0.09
10, 0.866025, -0.5, 0.09
11, 0.819152, -0.573576, 0.09
12, 0.766044, -0.642788, 0.09
13, 0.707107, -0.707107, 0.09
14, 0.642788, -0.766044, 0.09
15, 0.573576, -0.819152, 0.09
16, 0.5, -0.866025, 0.09
17, 0.422618, -0.906308, 0.09
18, 0.34202, -0.939693, 0.09
19, 0.258819, -0.965926, 0.09
20, 0.173648, -0.984808, 0.09
21, 0.0871558, -0.996195, 0.09
22, 4.97969e-09, -1., 0.09
23, -0.0871557, -0.996195, 0.09
24, -0.173648, -0.984808, 0.09
25, -0.258819, -0.965926, 0.09
26, -0.34202, -0.939693, 0.09
27, -0.422618, -0.906308, 0.09
28, -0.5, -0.866025, 0.09
29, -0.573576, -0.819152, 0.09
30, -0.642788, -0.766044, 0.09
31, -0.707107, -0.707107, 0.09
32, -0.766044, -0.642788, 0.09
33, -0.819152, -0.573576, 0.09
34, -0.866025, -0.5, 0.09
35, -0.906308, -0.422618, 0.09
36, -0.939693, -0.34202, 0.09
37, -0.965926, -0.258819, 0.09
38, -0.984808, -0.173648, 0.09
39, -0.996195, -0.0871558, 0.09
40, -0.996195, -0.0871558, 0.
41, -0.984808, -0.173648, 0.
42, -0.965926, -0.258819, 0.
43, -0.939693, -0.34202, 0.
44, -0.906308, -0.422618, 0.
45, -0.866025, -0.5, 0.
46, -0.819152, -0.573576, 0.
47, -0.766044, -0.642788, 0.
48, -0.707107, -0.707107, 0.
49, -0.642788, -0.766044, 0.
50, -0.573576, -0.819152, 0.
51, -0.5, -0.866025, 0.
52, -0.422618, -0.906308, 0.
53, -0.34202, -0.939693, 0.
54, -0.258819, -0.965926, 0.
55, -0.173648, -0.984808, 0.
56, -0.0871557, -0.996195, 0.
57, 0., -1., 0.
58, 0.0871558, -0.996195, 0.
59, 0.173648, -0.984808, 0.
60, 0.258819, -0.965926, 0.
61, 0.34202, -0.939693, 0.
62, 0.422618, -0.906308, 0.
63, 0.5, -0.866025, 0.
64, 0.573576, -0.819152, 0.
65, 0.642788, -0.766044, 0.
66, 0.707107, -0.707107, 0.
67, 0.766044, -0.642788, 0.
68, 0.819152, -0.573576, 0.
69, 0.866025, -0.5, 0.
70, 0.906308, -0.422618, 0.
71, 0.939693, -0.34202, 0.
72, 0.965926, -0.258819, 0.
73, 0.984808, -0.173648, 0.
74, 0.996195, -0.0871558, 0.
75, 0.996195, 0.0871558, 0.
76, 0.984808, 0.173648, 0.
77, 0.965926, 0.258819, 0.
78, 0.939693, 0.34202, 0.
79, 0.906308, 0.422618, 0.
80, 0.866025, 0.5, 0.
81, 0.819152, 0.573576, 0.
82, 0.766044, 0.642788, 0.
83, 0.707107, 0.707107, 0.
84, 0.642788, 0.766044, 0.
85, 0.573576, 0.819152, 0.
86, 0.5, 0.866025, 0.
87, 0.422618, 0.906308, 0.
88, 0.34202, 0.939693, 0.
89, 0.258819, 0.965926, 0.
90, 0.173648, 0.984808, 0.
91, 0.0871558, 0.996195, 0.
92, 4.97969e-09, 1., 0.
93, -0.0871557, 0.996195, 0.
94, -0.173648, 0.984808, 0.
95, -0.258819, 0.965926, 0.
96, -0.34202, 0.939693, 0.
97, -0.422618, 0.906308, 0.
98, -0.5, 0.866025, 0.
99, -0.573576, 0.819152, 0.
100, -0.642788, 0.766044, 0.
101, -0.707107, 0.707107, 0.
102, -0.766044, 0.642788, 0.
103, -0.819152, 0.573576, 0.
104, -0.866025, 0.5, 0.
105, -0.906308, 0.422618, 0.
106, -0.939693, 0.34202, 0.
107, -0.965926, 0.258819, 0.
108, -0.984808, 0.173648, 0.
109, -0.996195, 0.0871558, 0.
110, -0.996195, 0.0871558, 0.09
111, -0.984808, 0.173648, 0.09
112, -0.965926, 0.258819, 0.09
113, -0.939693, 0.34202, 0.09
114, -0.906308, 0.422618, 0.09
115, -0.866025, 0.5, 0.09
116, -0.819152, 0.573576, 0.09
117, -0.766044, 0.642788, 0.09
118, -0.707107, 0.707107, 0.09
119, -0.642788, 0.766044, 0.09
120, -0.573576, 0.819152, 0.09
121, -0.5, 0.866025, 0.09
122, -0.422618, 0.906308, 0.09
123, -0.34202, 0.939693, 0.09
124, -0.258819, 0.965926, 0.09
125, -0.173648, 0.984808, 0.09
126, -0.0871557, 0.996195, 0.09
127, 0., 1., 0.09
128, 0.0871558, 0.996195, 0.09
129, 0.173648, 0.984808, 0.09
130, 0.258819, 0.965926, 0.09
131, 0.34202, 0.939693, 0.09
132, 0.422618, 0.906308, 0.09
133, 0.5, 0.866025, 0.09
134, 0.573576, 0.819152, 0.09
135, 0.642788, 0.766044, 0.09
136, 0.707107, 0.707107, 0.09
137, 0.766044, 0.642788, 0.09
138, 0.819152, 0.573576, 0.09
139, 0.866025, 0.5, 0.09
140, 0.906308, 0.422618, 0.09
141, 0.939693, 0.34202, 0.09
142, 0.965926, 0.258819, 0.09
143, 0.984808, 0.173648, 0.09
144, 0.996195, 0.0871558, 0.09
*ELEMENT, TYPE=S4R
1, 1, 2, 5, 74
2, 74, 5, 6, 73
3, 73, 6, 7, 72
4, 72, 7, 8, 71
5, 71, 8, 9, 70
6, 70, 9, 10, 69
7, 69, 10, 11, 68
8, 68, 11, 12, 67
9, 67, 12, 13, 66
10, 66, 13, 14, 65
11, 65, 14, 15, 64
12, 64, 15, 16, 63
13, 63, 16, 17, 62
14, 62, 17, 18, 61
15, 61, 18, 19, 60
16, 60, 19, 20, 59
17, 59, 20, 21, 58
18, 58, 21, 22, 57
19, 57, 22, 23, 56
20, 56, 23, 24, 55
21, 55, 24, 25, 54
22, 54, 25, 26, 53
23, 53, 26, 27, 52
24, 52, 27, 28, 51
25, 51, 28, 29, 50
26, 50, 29, 30, 49
27, 49, 30, 31, 48
28, 48, 31, 32, 47
29, 47, 32, 33, 46
30, 46, 33, 34, 45
31, 45, 34, 35, 44
32, 44, 35, 36, 43
33, 43, 36, 37, 42
34, 42, 37, 38, 41
35, 41, 38, 39, 40
36, 40, 39, 3, 4
37, 2, 1, 75, 144
38, 144, 75, 76, 143
39, 143, 76, 77, 142
40, 142, 77, 78, 141
41, 141, 78, 79, 140
42, 140, 79, 80, 139
43, 139, 80, 81, 138
44, 138, 81, 82, 137
45, 137, 82, 83, 136
46, 136, 83, 84, 135
47, 135, 84, 85, 134
48, 134, 85, 86, 133
49, 133, 86, 87, 132
50, 132, 87, 88, 131
51, 131, 88, 89, 130
52, 130, 89, 90, 129
53, 129, 90, 91, 128
54, 128, 91, 92, 127
55, 127, 92, 93, 126
56, 126, 93, 94, 125
57, 125, 94, 95, 124
58, 124, 95, 96, 123
59, 123, 96, 97, 122
60, 122, 97, 98, 121
61, 121, 98, 99, 120
62, 120, 99, 100, 119
63, 119, 100, 101, 118
64, 118, 101, 102, 117
65, 117, 102, 103, 116
66, 116, 103, 104, 115
67, 115, 104, 105, 114
68, 114, 105, 106, 113
69, 113, 106, 107, 112
70, 112, 107, 108, 111
71, 111, 108, 109, 110
72, 110, 109, 4, 3
*ELSET, ELSET=SHELL, GENERATE
1, 72, 1
*SHELL SECTION, ELSET=SHELL, MATERIAL=SHELL
0.01, 5
*END INSTANCE
**
**
*NODE, NSET=SOURCE
1, 10., 0., 0.
*NSET, NSET=STANDOFF, INSTANCE=SHELL
1,
*NSET, NSET=BACK, INSTANCE=SHELL,GENERATE
40,109,1
*NSET, NSET=BACK, INSTANCE=SHELL
1,4
*NSET, NSET=FRONT, INSTANCE=SHELL,GENERATE
5,39,1
110,144,1
*NSET, NSET=FRONT, INSTANCE=SHELL
2,3
*NSET, NSET=LEADING-EDGE, INSTANCE=SHELL
1, 2
*ELSET, ELSET=LEADING-EDGE, INSTANCE=SHELL
1,
*NSET, NSET=SHELL, INSTANCE=SHELL, GENERATE
1, 144, 1
*ELSET, ELSET=SHELL, INSTANCE=SHELL, GENERATE
1, 72, 1
*NSET, NSET=TRAILING-EDGE, INSTANCE=SHELL
3, 4
*ELSET, ELSET=TRAILING-EDGE, INSTANCE=SHELL
36,
*ELSET, ELSET=SHELL-FLUID, INSTANCE=SHELL, GENERATE
1, 72, 1
*SURFACE, TYPE=ELEMENT, NAME=SHELL-FLUID
SHELL-FLUID, SPOS
*END ASSEMBLY
**
*MATERIAL, NAME=SHELL
*DENSITY
7.85,
*ELASTIC
98.125, 0.3
**
**
*BOUNDARY
FRONT,3,5
BACK,3,5
**
**
**********************************************************
*INCIDENT WAVE INTERACTION PROPERTY, NAME=Shhhhh, TYPE=SPHERE
1., 1.,1.11111,.11111,.000001
*ACOUSTIC WAVE FORMULATION, TYPE=SCATTERED WAVE
*AMPLITUDE,DEFINITION=TABULAR,NAME=STEP,TIME=TOTALTIME
-3.0,0.0, 0.0,0.0, 0.1,1.0, 15.0,1.0
**--------------------------------------------------------
**
*STEP, NAME=XPL
*DYNAMIC, EXPLICIT, DIRECT USER CONTROL
0.01, 6.
*BULK VISCOSITY
.25,10.
*INCIDENT WAVE INTERACTION,PRESSUREAMPLITUDE=STEP,PROPERTY=Shhhhh
SHELL-FLUID, SOURCE, STANDOFF, -1.0E-4
*OUTPUT, FIELD,NUMBERINTERVAL=200
*NODE OUTPUT
U,
*OUTPUT, HISTORY
*NODE OUTPUT, NSET=TRAILING-EDGE
U,
V,A
*NODE OUTPUT, NSET=LEADING-EDGE
U,
V,A
*END STEP