*HEADING
EC23AFAD: AC2D3 elements.
Acoustic test - 1D Problem, SS-DIRECT.
A 4m long tube; from left to right,
a sound source, 3m is air, then 1m of a highly
absorbent material, followed by a rigid
termination.
*PREPRINT,ECHO=NO,HISTORY=NO,MODEL=NO
*RESTART,WRITE
***********************************************************
**
**
** Mesh Generation
**
*NODE, Nset=ODB_NSET
1,0,
401,4,
1001,0, 2E-2
1401,4, 2E-2
*NGEN,NSET=ALL
1,401
1001,1401
*NSET,NSET=QA_TEST,GENERATE
1,401,10
*NSET,NSET=LOAD
1,1001
*ELEMENT,TYPE=AC2D3
1, 1, 2, 1002,
2, 1002, 1001, 1,
3, 2, 3, 1003,
4, 1003, 1002, 2,
5, 3, 4, 1004,
6, 1004, 1003, 3,
7, 4, 5, 1005,
8, 1005, 1004, 4,
9, 5, 6, 1006,
10, 1006, 1005, 5,
11, 6, 7, 1007,
12, 1007, 1006, 6,
13, 7, 8, 1008,
14, 1008, 1007, 7,
15, 8, 9, 1009,
16, 1009, 1008, 8,
17, 9, 10, 1010,
18, 1010, 1009, 9,
19, 10, 11, 1011,
20, 1011, 1010, 10,
21, 11, 12, 1012,
22, 1012, 1011, 11,
23, 12, 13, 1013,
24, 1013, 1012, 12,
25, 13, 14, 1014,
26, 1014, 1013, 13,
27, 14, 15, 1015,
28, 1015, 1014, 14,
29, 15, 16, 1016,
30, 1016, 1015, 15,
31, 16, 17, 1017,
32, 1017, 1016, 16,
33, 17, 18, 1018,
34, 1018, 1017, 17,
35, 18, 19, 1019,
36, 1019, 1018, 18,
37, 19, 20, 1020,
38, 1020, 1019, 19,
39, 20, 21, 1021,
40, 1021, 1020, 20,
41, 21, 22, 1022,
42, 1022, 1021, 21,
43, 22, 23, 1023,
44, 1023, 1022, 22,
45, 23, 24, 1024,
46, 1024, 1023, 23,
47, 24, 25, 1025,
48, 1025, 1024, 24,
49, 25, 26, 1026,
50, 1026, 1025, 25,
51, 26, 27, 1027,
52, 1027, 1026, 26,
53, 27, 28, 1028,
54, 1028, 1027, 27,
55, 28, 29, 1029,
56, 1029, 1028, 28,
57, 29, 30, 1030,
58, 1030, 1029, 29,
59, 30, 31, 1031,
60, 1031, 1030, 30,
61, 31, 32, 1032,
62, 1032, 1031, 31,
63, 32, 33, 1033,
64, 1033, 1032, 32,
65, 33, 34, 1034,
66, 1034, 1033, 33,
67, 34, 35, 1035,
68, 1035, 1034, 34,
69, 35, 36, 1036,
70, 1036, 1035, 35,
71, 36, 37, 1037,
72, 1037, 1036, 36,
73, 37, 38, 1038,
74, 1038, 1037, 37,
75, 38, 39, 1039,
76, 1039, 1038, 38,
77, 39, 40, 1040,
78, 1040, 1039, 39,
79, 40, 41, 1041,
80, 1041, 1040, 40,
81, 41, 42, 1042,
82, 1042, 1041, 41,
83, 42, 43, 1043,
84, 1043, 1042, 42,
85, 43, 44, 1044,
86, 1044, 1043, 43,
87, 44, 45, 1045,
88, 1045, 1044, 44,
89, 45, 46, 1046,
90, 1046, 1045, 45,
91, 46, 47, 1047,
92, 1047, 1046, 46,
93, 47, 48, 1048,
94, 1048, 1047, 47,
95, 48, 49, 1049,
96, 1049, 1048, 48,
97, 49, 50, 1050,
98, 1050, 1049, 49,
99, 50, 51, 1051,
100, 1051, 1050, 50,
101, 51, 52, 1052,
102, 1052, 1051, 51,
103, 52, 53, 1053,
104, 1053, 1052, 52,
105, 53, 54, 1054,
106, 1054, 1053, 53,
107, 54, 55, 1055,
108, 1055, 1054, 54,
109, 55, 56, 1056,
110, 1056, 1055, 55,
111, 56, 57, 1057,
112, 1057, 1056, 56,
113, 57, 58, 1058,
114, 1058, 1057, 57,
115, 58, 59, 1059,
116, 1059, 1058, 58,
117, 59, 60, 1060,
118, 1060, 1059, 59,
119, 60, 61, 1061,
120, 1061, 1060, 60,
121, 61, 62, 1062,
122, 1062, 1061, 61,
123, 62, 63, 1063,
124, 1063, 1062, 62,
125, 63, 64, 1064,
126, 1064, 1063, 63,
127, 64, 65, 1065,
128, 1065, 1064, 64,
129, 65, 66, 1066,
130, 1066, 1065, 65,
131, 66, 67, 1067,
132, 1067, 1066, 66,
133, 67, 68, 1068,
134, 1068, 1067, 67,
135, 68, 69, 1069,
136, 1069, 1068, 68,
137, 69, 70, 1070,
138, 1070, 1069, 69,
139, 70, 71, 1071,
140, 1071, 1070, 70,
141, 71, 72, 1072,
142, 1072, 1071, 71,
143, 72, 73, 1073,
144, 1073, 1072, 72,
145, 73, 74, 1074,
146, 1074, 1073, 73,
147, 74, 75, 1075,
148, 1075, 1074, 74,
149, 75, 76, 1076,
150, 1076, 1075, 75,
151, 76, 77, 1077,
152, 1077, 1076, 76,
153, 77, 78, 1078,
154, 1078, 1077, 77,
155, 78, 79, 1079,
156, 1079, 1078, 78,
157, 79, 80, 1080,
158, 1080, 1079, 79,
159, 80, 81, 1081,
160, 1081, 1080, 80,
161, 81, 82, 1082,
162, 1082, 1081, 81,
163, 82, 83, 1083,
164, 1083, 1082, 82,
165, 83, 84, 1084,
166, 1084, 1083, 83,
167, 84, 85, 1085,
168, 1085, 1084, 84,
169, 85, 86, 1086,
170, 1086, 1085, 85,
171, 86, 87, 1087,
172, 1087, 1086, 86,
173, 87, 88, 1088,
174, 1088, 1087, 87,
175, 88, 89, 1089,
176, 1089, 1088, 88,
177, 89, 90, 1090,
178, 1090, 1089, 89,
179, 90, 91, 1091,
180, 1091, 1090, 90,
181, 91, 92, 1092,
182, 1092, 1091, 91,
183, 92, 93, 1093,
184, 1093, 1092, 92,
185, 93, 94, 1094,
186, 1094, 1093, 93,
187, 94, 95, 1095,
188, 1095, 1094, 94,
189, 95, 96, 1096,
190, 1096, 1095, 95,
191, 96, 97, 1097,
192, 1097, 1096, 96,
193, 97, 98, 1098,
194, 1098, 1097, 97,
195, 98, 99, 1099,
196, 1099, 1098, 98,
197, 99, 100, 1100,
198, 1100, 1099, 99,
199, 100, 101, 1101,
200, 1101, 1100, 100,
201, 101, 102, 1102,
202, 1102, 1101, 101,
203, 102, 103, 1103,
204, 1103, 1102, 102,
205, 103, 104, 1104,
206, 1104, 1103, 103,
207, 104, 105, 1105,
208, 1105, 1104, 104,
209, 105, 106, 1106,
210, 1106, 1105, 105,
211, 106, 107, 1107,
212, 1107, 1106, 106,
213, 107, 108, 1108,
214, 1108, 1107, 107,
215, 108, 109, 1109,
216, 1109, 1108, 108,
217, 109, 110, 1110,
218, 1110, 1109, 109,
219, 110, 111, 1111,
220, 1111, 1110, 110,
221, 111, 112, 1112,
222, 1112, 1111, 111,
223, 112, 113, 1113,
224, 1113, 1112, 112,
225, 113, 114, 1114,
226, 1114, 1113, 113,
227, 114, 115, 1115,
228, 1115, 1114, 114,
229, 115, 116, 1116,
230, 1116, 1115, 115,
231, 116, 117, 1117,
232, 1117, 1116, 116,
233, 117, 118, 1118,
234, 1118, 1117, 117,
235, 118, 119, 1119,
236, 1119, 1118, 118,
237, 119, 120, 1120,
238, 1120, 1119, 119,
239, 120, 121, 1121,
240, 1121, 1120, 120,
241, 121, 122, 1122,
242, 1122, 1121, 121,
243, 122, 123, 1123,
244, 1123, 1122, 122,
245, 123, 124, 1124,
246, 1124, 1123, 123,
247, 124, 125, 1125,
248, 1125, 1124, 124,
249, 125, 126, 1126,
250, 1126, 1125, 125,
251, 126, 127, 1127,
252, 1127, 1126, 126,
253, 127, 128, 1128,
254, 1128, 1127, 127,
255, 128, 129, 1129,
256, 1129, 1128, 128,
257, 129, 130, 1130,
258, 1130, 1129, 129,
259, 130, 131, 1131,
260, 1131, 1130, 130,
261, 131, 132, 1132,
262, 1132, 1131, 131,
263, 132, 133, 1133,
264, 1133, 1132, 132,
265, 133, 134, 1134,
266, 1134, 1133, 133,
267, 134, 135, 1135,
268, 1135, 1134, 134,
269, 135, 136, 1136,
270, 1136, 1135, 135,
271, 136, 137, 1137,
272, 1137, 1136, 136,
273, 137, 138, 1138,
274, 1138, 1137, 137,
275, 138, 139, 1139,
276, 1139, 1138, 138,
277, 139, 140, 1140,
278, 1140, 1139, 139,
279, 140, 141, 1141,
280, 1141, 1140, 140,
281, 141, 142, 1142,
282, 1142, 1141, 141,
283, 142, 143, 1143,
284, 1143, 1142, 142,
285, 143, 144, 1144,
286, 1144, 1143, 143,
287, 144, 145, 1145,
288, 1145, 1144, 144,
289, 145, 146, 1146,
290, 1146, 1145, 145,
291, 146, 147, 1147,
292, 1147, 1146, 146,
293, 147, 148, 1148,
294, 1148, 1147, 147,
295, 148, 149, 1149,
296, 1149, 1148, 148,
297, 149, 150, 1150,
298, 1150, 1149, 149,
299, 150, 151, 1151,
300, 1151, 1150, 150,
301, 151, 152, 1152,
302, 1152, 1151, 151,
303, 152, 153, 1153,
304, 1153, 1152, 152,
305, 153, 154, 1154,
306, 1154, 1153, 153,
307, 154, 155, 1155,
308, 1155, 1154, 154,
309, 155, 156, 1156,
310, 1156, 1155, 155,
311, 156, 157, 1157,
312, 1157, 1156, 156,
313, 157, 158, 1158,
314, 1158, 1157, 157,
315, 158, 159, 1159,
316, 1159, 1158, 158,
317, 159, 160, 1160,
318, 1160, 1159, 159,
319, 160, 161, 1161,
320, 1161, 1160, 160,
321, 161, 162, 1162,
322, 1162, 1161, 161,
323, 162, 163, 1163,
324, 1163, 1162, 162,
325, 163, 164, 1164,
326, 1164, 1163, 163,
327, 164, 165, 1165,
328, 1165, 1164, 164,
329, 165, 166, 1166,
330, 1166, 1165, 165,
331, 166, 167, 1167,
332, 1167, 1166, 166,
333, 167, 168, 1168,
334, 1168, 1167, 167,
335, 168, 169, 1169,
336, 1169, 1168, 168,
337, 169, 170, 1170,
338, 1170, 1169, 169,
339, 170, 171, 1171,
340, 1171, 1170, 170,
341, 171, 172, 1172,
342, 1172, 1171, 171,
343, 172, 173, 1173,
344, 1173, 1172, 172,
345, 173, 174, 1174,
346, 1174, 1173, 173,
347, 174, 175, 1175,
348, 1175, 1174, 174,
349, 175, 176, 1176,
350, 1176, 1175, 175,
351, 176, 177, 1177,
352, 1177, 1176, 176,
353, 177, 178, 1178,
354, 1178, 1177, 177,
355, 178, 179, 1179,
356, 1179, 1178, 178,
357, 179, 180, 1180,
358, 1180, 1179, 179,
359, 180, 181, 1181,
360, 1181, 1180, 180,
361, 181, 182, 1182,
362, 1182, 1181, 181,
363, 182, 183, 1183,
364, 1183, 1182, 182,
365, 183, 184, 1184,
366, 1184, 1183, 183,
367, 184, 185, 1185,
368, 1185, 1184, 184,
369, 185, 186, 1186,
370, 1186, 1185, 185,
371, 186, 187, 1187,
372, 1187, 1186, 186,
373, 187, 188, 1188,
374, 1188, 1187, 187,
375, 188, 189, 1189,
376, 1189, 1188, 188,
377, 189, 190, 1190,
378, 1190, 1189, 189,
379, 190, 191, 1191,
380, 1191, 1190, 190,
381, 191, 192, 1192,
382, 1192, 1191, 191,
383, 192, 193, 1193,
384, 1193, 1192, 192,
385, 193, 194, 1194,
386, 1194, 1193, 193,
387, 194, 195, 1195,
388, 1195, 1194, 194,
389, 195, 196, 1196,
390, 1196, 1195, 195,
391, 196, 197, 1197,
392, 1197, 1196, 196,
393, 197, 198, 1198,
394, 1198, 1197, 197,
395, 198, 199, 1199,
396, 1199, 1198, 198,
397, 199, 200, 1200,
398, 1200, 1199, 199,
399, 200, 201, 1201,
400, 1201, 1200, 200,
401, 201, 202, 1202,
402, 1202, 1201, 201,
403, 202, 203, 1203,
404, 1203, 1202, 202,
405, 203, 204, 1204,
406, 1204, 1203, 203,
407, 204, 205, 1205,
408, 1205, 1204, 204,
409, 205, 206, 1206,
410, 1206, 1205, 205,
411, 206, 207, 1207,
412, 1207, 1206, 206,
413, 207, 208, 1208,
414, 1208, 1207, 207,
415, 208, 209, 1209,
416, 1209, 1208, 208,
417, 209, 210, 1210,
418, 1210, 1209, 209,
419, 210, 211, 1211,
420, 1211, 1210, 210,
421, 211, 212, 1212,
422, 1212, 1211, 211,
423, 212, 213, 1213,
424, 1213, 1212, 212,
425, 213, 214, 1214,
426, 1214, 1213, 213,
427, 214, 215, 1215,
428, 1215, 1214, 214,
429, 215, 216, 1216,
430, 1216, 1215, 215,
431, 216, 217, 1217,
432, 1217, 1216, 216,
433, 217, 218, 1218,
434, 1218, 1217, 217,
435, 218, 219, 1219,
436, 1219, 1218, 218,
437, 219, 220, 1220,
438, 1220, 1219, 219,
439, 220, 221, 1221,
440, 1221, 1220, 220,
441, 221, 222, 1222,
442, 1222, 1221, 221,
443, 222, 223, 1223,
444, 1223, 1222, 222,
445, 223, 224, 1224,
446, 1224, 1223, 223,
447, 224, 225, 1225,
448, 1225, 1224, 224,
449, 225, 226, 1226,
450, 1226, 1225, 225,
451, 226, 227, 1227,
452, 1227, 1226, 226,
453, 227, 228, 1228,
454, 1228, 1227, 227,
455, 228, 229, 1229,
456, 1229, 1228, 228,
457, 229, 230, 1230,
458, 1230, 1229, 229,
459, 230, 231, 1231,
460, 1231, 1230, 230,
461, 231, 232, 1232,
462, 1232, 1231, 231,
463, 232, 233, 1233,
464, 1233, 1232, 232,
465, 233, 234, 1234,
466, 1234, 1233, 233,
467, 234, 235, 1235,
468, 1235, 1234, 234,
469, 235, 236, 1236,
470, 1236, 1235, 235,
471, 236, 237, 1237,
472, 1237, 1236, 236,
473, 237, 238, 1238,
474, 1238, 1237, 237,
475, 238, 239, 1239,
476, 1239, 1238, 238,
477, 239, 240, 1240,
478, 1240, 1239, 239,
479, 240, 241, 1241,
480, 1241, 1240, 240,
481, 241, 242, 1242,
482, 1242, 1241, 241,
483, 242, 243, 1243,
484, 1243, 1242, 242,
485, 243, 244, 1244,
486, 1244, 1243, 243,
487, 244, 245, 1245,
488, 1245, 1244, 244,
489, 245, 246, 1246,
490, 1246, 1245, 245,
491, 246, 247, 1247,
492, 1247, 1246, 246,
493, 247, 248, 1248,
494, 1248, 1247, 247,
495, 248, 249, 1249,
496, 1249, 1248, 248,
497, 249, 250, 1250,
498, 1250, 1249, 249,
499, 250, 251, 1251,
500, 1251, 1250, 250,
501, 251, 252, 1252,
502, 1252, 1251, 251,
503, 252, 253, 1253,
504, 1253, 1252, 252,
505, 253, 254, 1254,
506, 1254, 1253, 253,
507, 254, 255, 1255,
508, 1255, 1254, 254,
509, 255, 256, 1256,
510, 1256, 1255, 255,
511, 256, 257, 1257,
512, 1257, 1256, 256,
513, 257, 258, 1258,
514, 1258, 1257, 257,
515, 258, 259, 1259,
516, 1259, 1258, 258,
517, 259, 260, 1260,
518, 1260, 1259, 259,
519, 260, 261, 1261,
520, 1261, 1260, 260,
521, 261, 262, 1262,
522, 1262, 1261, 261,
523, 262, 263, 1263,
524, 1263, 1262, 262,
525, 263, 264, 1264,
526, 1264, 1263, 263,
527, 264, 265, 1265,
528, 1265, 1264, 264,
529, 265, 266, 1266,
530, 1266, 1265, 265,
531, 266, 267, 1267,
532, 1267, 1266, 266,
533, 267, 268, 1268,
534, 1268, 1267, 267,
535, 268, 269, 1269,
536, 1269, 1268, 268,
537, 269, 270, 1270,
538, 1270, 1269, 269,
539, 270, 271, 1271,
540, 1271, 1270, 270,
541, 271, 272, 1272,
542, 1272, 1271, 271,
543, 272, 273, 1273,
544, 1273, 1272, 272,
545, 273, 274, 1274,
546, 1274, 1273, 273,
547, 274, 275, 1275,
548, 1275, 1274, 274,
549, 275, 276, 1276,
550, 1276, 1275, 275,
551, 276, 277, 1277,
552, 1277, 1276, 276,
553, 277, 278, 1278,
554, 1278, 1277, 277,
555, 278, 279, 1279,
556, 1279, 1278, 278,
557, 279, 280, 1280,
558, 1280, 1279, 279,
559, 280, 281, 1281,
560, 1281, 1280, 280,
561, 281, 282, 1282,
562, 1282, 1281, 281,
563, 282, 283, 1283,
564, 1283, 1282, 282,
565, 283, 284, 1284,
566, 1284, 1283, 283,
567, 284, 285, 1285,
568, 1285, 1284, 284,
569, 285, 286, 1286,
570, 1286, 1285, 285,
571, 286, 287, 1287,
572, 1287, 1286, 286,
573, 287, 288, 1288,
574, 1288, 1287, 287,
575, 288, 289, 1289,
576, 1289, 1288, 288,
577, 289, 290, 1290,
578, 1290, 1289, 289,
579, 290, 291, 1291,
580, 1291, 1290, 290,
581, 291, 292, 1292,
582, 1292, 1291, 291,
583, 292, 293, 1293,
584, 1293, 1292, 292,
585, 293, 294, 1294,
586, 1294, 1293, 293,
587, 294, 295, 1295,
588, 1295, 1294, 294,
589, 295, 296, 1296,
590, 1296, 1295, 295,
591, 296, 297, 1297,
592, 1297, 1296, 296,
593, 297, 298, 1298,
594, 1298, 1297, 297,
595, 298, 299, 1299,
596, 1299, 1298, 298,
597, 299, 300, 1300,
598, 1300, 1299, 299,
599, 300, 301, 1301,
600, 1301, 1300, 300,
601, 301, 302, 1302,
602, 1302, 1301, 301,
603, 302, 303, 1303,
604, 1303, 1302, 302,
605, 303, 304, 1304,
606, 1304, 1303, 303,
607, 304, 305, 1305,
608, 1305, 1304, 304,
609, 305, 306, 1306,
610, 1306, 1305, 305,
611, 306, 307, 1307,
612, 1307, 1306, 306,
613, 307, 308, 1308,
614, 1308, 1307, 307,
615, 308, 309, 1309,
616, 1309, 1308, 308,
617, 309, 310, 1310,
618, 1310, 1309, 309,
619, 310, 311, 1311,
620, 1311, 1310, 310,
621, 311, 312, 1312,
622, 1312, 1311, 311,
623, 312, 313, 1313,
624, 1313, 1312, 312,
625, 313, 314, 1314,
626, 1314, 1313, 313,
627, 314, 315, 1315,
628, 1315, 1314, 314,
629, 315, 316, 1316,
630, 1316, 1315, 315,
631, 316, 317, 1317,
632, 1317, 1316, 316,
633, 317, 318, 1318,
634, 1318, 1317, 317,
635, 318, 319, 1319,
636, 1319, 1318, 318,
637, 319, 320, 1320,
638, 1320, 1319, 319,
639, 320, 321, 1321,
640, 1321, 1320, 320,
641, 321, 322, 1322,
642, 1322, 1321, 321,
643, 322, 323, 1323,
644, 1323, 1322, 322,
645, 323, 324, 1324,
646, 1324, 1323, 323,
647, 324, 325, 1325,
648, 1325, 1324, 324,
649, 325, 326, 1326,
650, 1326, 1325, 325,
651, 326, 327, 1327,
652, 1327, 1326, 326,
653, 327, 328, 1328,
654, 1328, 1327, 327,
655, 328, 329, 1329,
656, 1329, 1328, 328,
657, 329, 330, 1330,
658, 1330, 1329, 329,
659, 330, 331, 1331,
660, 1331, 1330, 330,
661, 331, 332, 1332,
662, 1332, 1331, 331,
663, 332, 333, 1333,
664, 1333, 1332, 332,
665, 333, 334, 1334,
666, 1334, 1333, 333,
667, 334, 335, 1335,
668, 1335, 1334, 334,
669, 335, 336, 1336,
670, 1336, 1335, 335,
671, 336, 337, 1337,
672, 1337, 1336, 336,
673, 337, 338, 1338,
674, 1338, 1337, 337,
675, 338, 339, 1339,
676, 1339, 1338, 338,
677, 339, 340, 1340,
678, 1340, 1339, 339,
679, 340, 341, 1341,
680, 1341, 1340, 340,
681, 341, 342, 1342,
682, 1342, 1341, 341,
683, 342, 343, 1343,
684, 1343, 1342, 342,
685, 343, 344, 1344,
686, 1344, 1343, 343,
687, 344, 345, 1345,
688, 1345, 1344, 344,
689, 345, 346, 1346,
690, 1346, 1345, 345,
691, 346, 347, 1347,
692, 1347, 1346, 346,
693, 347, 348, 1348,
694, 1348, 1347, 347,
695, 348, 349, 1349,
696, 1349, 1348, 348,
697, 349, 350, 1350,
698, 1350, 1349, 349,
699, 350, 351, 1351,
700, 1351, 1350, 350,
701, 351, 352, 1352,
702, 1352, 1351, 351,
703, 352, 353, 1353,
704, 1353, 1352, 352,
705, 353, 354, 1354,
706, 1354, 1353, 353,
707, 354, 355, 1355,
708, 1355, 1354, 354,
709, 355, 356, 1356,
710, 1356, 1355, 355,
711, 356, 357, 1357,
712, 1357, 1356, 356,
713, 357, 358, 1358,
714, 1358, 1357, 357,
715, 358, 359, 1359,
716, 1359, 1358, 358,
717, 359, 360, 1360,
718, 1360, 1359, 359,
719, 360, 361, 1361,
720, 1361, 1360, 360,
721, 361, 362, 1362,
722, 1362, 1361, 361,
723, 362, 363, 1363,
724, 1363, 1362, 362,
725, 363, 364, 1364,
726, 1364, 1363, 363,
727, 364, 365, 1365,
728, 1365, 1364, 364,
729, 365, 366, 1366,
730, 1366, 1365, 365,
731, 366, 367, 1367,
732, 1367, 1366, 366,
733, 367, 368, 1368,
734, 1368, 1367, 367,
735, 368, 369, 1369,
736, 1369, 1368, 368,
737, 369, 370, 1370,
738, 1370, 1369, 369,
739, 370, 371, 1371,
740, 1371, 1370, 370,
741, 371, 372, 1372,
742, 1372, 1371, 371,
743, 372, 373, 1373,
744, 1373, 1372, 372,
745, 373, 374, 1374,
746, 1374, 1373, 373,
747, 374, 375, 1375,
748, 1375, 1374, 374,
749, 375, 376, 1376,
750, 1376, 1375, 375,
751, 376, 377, 1377,
752, 1377, 1376, 376,
753, 377, 378, 1378,
754, 1378, 1377, 377,
755, 378, 379, 1379,
756, 1379, 1378, 378,
757, 379, 380, 1380,
758, 1380, 1379, 379,
759, 380, 381, 1381,
760, 1381, 1380, 380,
761, 381, 382, 1382,
762, 1382, 1381, 381,
763, 382, 383, 1383,
764, 1383, 1382, 382,
765, 383, 384, 1384,
766, 1384, 1383, 383,
767, 384, 385, 1385,
768, 1385, 1384, 384,
769, 385, 386, 1386,
770, 1386, 1385, 385,
771, 386, 387, 1387,
772, 1387, 1386, 386,
773, 387, 388, 1388,
774, 1388, 1387, 387,
775, 388, 389, 1389,
776, 1389, 1388, 388,
777, 389, 390, 1390,
778, 1390, 1389, 389,
779, 390, 391, 1391,
780, 1391, 1390, 390,
781, 391, 392, 1392,
782, 1392, 1391, 391,
783, 392, 393, 1393,
784, 1393, 1392, 392,
785, 393, 394, 1394,
786, 1394, 1393, 393,
787, 394, 395, 1395,
788, 1395, 1394, 394,
789, 395, 396, 1396,
790, 1396, 1395, 395,
791, 396, 397, 1397,
792, 1397, 1396, 396,
793, 397, 398, 1398,
794, 1398, 1397, 397,
795, 398, 399, 1399,
796, 1399, 1398, 398,
797, 399, 400, 1400,
798, 1400, 1399, 399,
799, 400, 401, 1401,
800, 1401, 1400, 400,
*ELSET,ELSET=CHANNEL,generate
1,600
*ELset,ELSET=ABSORB,generate
601,800
************************************************
** ** ELEMENT PROPERTIES **
**
*SOLID SECTION,MATERIAL=AIR,ELSET=CHANNEL
*SOLID SECTION,MATERIAL=ABSORB,ELSET=ABSORB
**
**
*MATERIAL,NAME=AIR
*DENSITY
1.21,
*ACOUSTIC MEDIUM,BULK MODULUS
0.1424E6,
**
**
*MATERIAL,NAME=ABSORB
*DENSITY
1.21,
*ACOUSTIC MEDIUM,BULK MODULUS
0.1424E6,
*ACOUSTIC MEDIUM,VOLUMETRIC DRAG
1e4,
**
**
**
*************************************************
**
*Elset,Elset=ODB_ESET
CHANNEL, ABSORB
**
**
*Nset, Nset=ODB_NSET
ODB_NSET, ALL, QA_TEST
**
**
*STEP
*STEADY STATE DYNAMICS,DIRECT,FREQUENCY SCALE=LINEAR
10,1100,13,1
**
** Prescribe outward acceleration of 100 at loaded nodes.
** The tributary area of each node is 1/100, so the
** outward volume acceleration is 1.
*CLOAD
LOAD,8, -1
**
*NODE PRINT, NSET=QA_TEST
POR,PPOR,
*EL PRINT,FREQUENCY=0
*ENERGYPRINT
*OUTPUT,FIELD
*NODE OUTPUT,NSET=QA_TEST
POR,
*ELEMENT OUTPUT
ACV,INTEN,GRADP,ENER,ELEN,ELEDEN
*OUTPUT,HISTORY
*NODE OUTPUT,NSET=QA_TEST
POR,
*ENERGY OUTPUT
ALLSE,ALLKE,ALLWK,ALLVD
*ENDSTEP
**
**
*STEP
*FREQUENCY,NORM=MASS,EIGENSOLVER=LANCZOS, SIM=NO
50, , ,
*NODE PRINT,F=0
*EL PRINT,F=0
*OUTPUT,FIELD,Frequency=0
*END STEP
**
**
*STEP
*STEADY STATE DYNAMICS,SUBSPACE PROJECTION=EIGENFREQUENCY,FREQUENCY SCALE=LINEAR,INTERVAL=RANGE
100,1100,3,1
**
** Prescribe outward acceleration of 100 at loaded nodes.
** The tributary area of each node is 1/100, so the
** outward volume acceleration is 1.
*CLOAD
LOAD,8, -1
**
*NODE PRINT, NSET=QA_TEST
POR,PPOR,
*EL PRINT,FREQUENCY=0
*energyprint
*OUTPUT,FIELD,VARIABLE=PRESELECT,OP=ADD,FREQUENCY=9999
*OUTPUT,FIELD, OP=ADD
*NODE OUTPUT,NSET=QA_TEST
POR,
*ELEMENT OUTPUT,ELSET=ABSORB
ACV,INTEN,GRADP
*OUTPUT,HISTORY
*NODE OUTPUT,NSET=QA_TEST
POR,
*ENERGY OUTPUT
ALLSE,ALLKE,ALLWK,ALLVD
*ENDSTEP