*HEADING EC3AAFAD: AC3D10 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, 0, 0 401, 4, 0, 0 501, 0, 0, -2 901, 4, 0, -2 1001, 0, 2, 0 1401, 4, 2, 0 1501, 0, 2, -2 1901, 4, 2, -2 2001, 0, 1, 0 2401, 4, 1, 0 2501, 0, 2, -1 2901, 4, 2, -1 3001, 0, 1, -2 3401, 4, 1, -2 3501, 0, 0, -1 3901, 4, 0, -1 4001, 0, 1, -1 4401, 4, 1, -1 *NGEN,NSET=ALL 1,401 501,901 1001,1401 1501,1901 2001,2401 2501,2901 3001,3401 3501,3901 4001,4401 *NSET,NSET=QA_TEST,GENERATE 1,401,10 *NSET,NSET=CRNRLOAD 1,1001,1501,501 *NSET,NSET=SIDELOAD 2001,2501,3001,3501 *ELEMENT,TYPE=AC3D10 1, 1, 1001, 3, 501, 2001, 2002, 2, 3501, 4001, 3502, 2, 1001, 3, 501, 1501, 2002, 3502, 4001, 2501, 4002, 3001, 3, 3, 501, 1501, 503, 3502, 3001, 4002, 3503, 502, 3002, 4, 3, 1001, 1003, 503, 2002, 1002, 2003, 3503, 4002, 4003, 5, 1001, 1003, 503, 1501, 1002, 4003, 4002, 2501, 2502, 3002, 6, 1003, 503, 1501, 1503, 4003, 3002, 2502, 2503, 3003, 1502, 7, 3, 1003, 5, 503, 2003, 2004, 4, 3503, 4003, 3504, 8, 1003, 5, 503, 1503, 2004, 3504, 4003, 2503, 4004, 3003, 9, 5, 503, 1503, 505, 3504, 3003, 4004, 3505, 504, 3004, 10, 5, 1003, 1005, 505, 2004, 1004, 2005, 3505, 4004, 4005, 11, 1003, 1005, 505, 1503, 1004, 4005, 4004, 2503, 2504, 3004, 12, 1005, 505, 1503, 1505, 4005, 3004, 2504, 2505, 3005, 1504, 13, 5, 1005, 7, 505, 2005, 2006, 6, 3505, 4005, 3506, 14, 1005, 7, 505, 1505, 2006, 3506, 4005, 2505, 4006, 3005, 15, 7, 505, 1505, 507, 3506, 3005, 4006, 3507, 506, 3006, 16, 7, 1005, 1007, 507, 2006, 1006, 2007, 3507, 4006, 4007, 17, 1005, 1007, 507, 1505, 1006, 4007, 4006, 2505, 2506, 3006, 18, 1007, 507, 1505, 1507, 4007, 3006, 2506, 2507, 3007, 1506, 19, 7, 1007, 9, 507, 2007, 2008, 8, 3507, 4007, 3508, 20, 1007, 9, 507, 1507, 2008, 3508, 4007, 2507, 4008, 3007, 21, 9, 507, 1507, 509, 3508, 3007, 4008, 3509, 508, 3008, 22, 9, 1007, 1009, 509, 2008, 1008, 2009, 3509, 4008, 4009, 23, 1007, 1009, 509, 1507, 1008, 4009, 4008, 2507, 2508, 3008, 24, 1009, 509, 1507, 1509, 4009, 3008, 2508, 2509, 3009, 1508, 25, 9, 1009, 11, 509, 2009, 2010, 10, 3509, 4009, 3510, 26, 1009, 11, 509, 1509, 2010, 3510, 4009, 2509, 4010, 3009, 27, 11, 509, 1509, 511, 3510, 3009, 4010, 3511, 510, 3010, 28, 11, 1009, 1011, 511, 2010, 1010, 2011, 3511, 4010, 4011, 29, 1009, 1011, 511, 1509, 1010, 4011, 4010, 2509, 2510, 3010, 30, 1011, 511, 1509, 1511, 4011, 3010, 2510, 2511, 3011, 1510, 31, 11, 1011, 13, 511, 2011, 2012, 12, 3511, 4011, 3512, 32, 1011, 13, 511, 1511, 2012, 3512, 4011, 2511, 4012, 3011, 33, 13, 511, 1511, 513, 3512, 3011, 4012, 3513, 512, 3012, 34, 13, 1011, 1013, 513, 2012, 1012, 2013, 3513, 4012, 4013, 35, 1011, 1013, 513, 1511, 1012, 4013, 4012, 2511, 2512, 3012, 36, 1013, 513, 1511, 1513, 4013, 3012, 2512, 2513, 3013, 1512, 37, 13, 1013, 15, 513, 2013, 2014, 14, 3513, 4013, 3514, 38, 1013, 15, 513, 1513, 2014, 3514, 4013, 2513, 4014, 3013, 39, 15, 513, 1513, 515, 3514, 3013, 4014, 3515, 514, 3014, 40, 15, 1013, 1015, 515, 2014, 1014, 2015, 3515, 4014, 4015, 41, 1013, 1015, 515, 1513, 1014, 4015, 4014, 2513, 2514, 3014, 42, 1015, 515, 1513, 1515, 4015, 3014, 2514, 2515, 3015, 1514, 43, 15, 1015, 17, 515, 2015, 2016, 16, 3515, 4015, 3516, 44, 1015, 17, 515, 1515, 2016, 3516, 4015, 2515, 4016, 3015, 45, 17, 515, 1515, 517, 3516, 3015, 4016, 3517, 516, 3016, 46, 17, 1015, 1017, 517, 2016, 1016, 2017, 3517, 4016, 4017, 47, 1015, 1017, 517, 1515, 1016, 4017, 4016, 2515, 2516, 3016, 48, 1017, 517, 1515, 1517, 4017, 3016, 2516, 2517, 3017, 1516, 49, 17, 1017, 19, 517, 2017, 2018, 18, 3517, 4017, 3518, 50, 1017, 19, 517, 1517, 2018, 3518, 4017, 2517, 4018, 3017, 51, 19, 517, 1517, 519, 3518, 3017, 4018, 3519, 518, 3018, 52, 19, 1017, 1019, 519, 2018, 1018, 2019, 3519, 4018, 4019, 53, 1017, 1019, 519, 1517, 1018, 4019, 4018, 2517, 2518, 3018, 54, 1019, 519, 1517, 1519, 4019, 3018, 2518, 2519, 3019, 1518, 55, 19, 1019, 21, 519, 2019, 2020, 20, 3519, 4019, 3520, 56, 1019, 21, 519, 1519, 2020, 3520, 4019, 2519, 4020, 3019, 57, 21, 519, 1519, 521, 3520, 3019, 4020, 3521, 520, 3020, 58, 21, 1019, 1021, 521, 2020, 1020, 2021, 3521, 4020, 4021, 59, 1019, 1021, 521, 1519, 1020, 4021, 4020, 2519, 2520, 3020, 60, 1021, 521, 1519, 1521, 4021, 3020, 2520, 2521, 3021, 1520, 61, 21, 1021, 23, 521, 2021, 2022, 22, 3521, 4021, 3522, 62, 1021, 23, 521, 1521, 2022, 3522, 4021, 2521, 4022, 3021, 63, 23, 521, 1521, 523, 3522, 3021, 4022, 3523, 522, 3022, 64, 23, 1021, 1023, 523, 2022, 1022, 2023, 3523, 4022, 4023, 65, 1021, 1023, 523, 1521, 1022, 4023, 4022, 2521, 2522, 3022, 66, 1023, 523, 1521, 1523, 4023, 3022, 2522, 2523, 3023, 1522, 67, 23, 1023, 25, 523, 2023, 2024, 24, 3523, 4023, 3524, 68, 1023, 25, 523, 1523, 2024, 3524, 4023, 2523, 4024, 3023, 69, 25, 523, 1523, 525, 3524, 3023, 4024, 3525, 524, 3024, 70, 25, 1023, 1025, 525, 2024, 1024, 2025, 3525, 4024, 4025, 71, 1023, 1025, 525, 1523, 1024, 4025, 4024, 2523, 2524, 3024, 72, 1025, 525, 1523, 1525, 4025, 3024, 2524, 2525, 3025, 1524, 73, 25, 1025, 27, 525, 2025, 2026, 26, 3525, 4025, 3526, 74, 1025, 27, 525, 1525, 2026, 3526, 4025, 2525, 4026, 3025, 75, 27, 525, 1525, 527, 3526, 3025, 4026, 3527, 526, 3026, 76, 27, 1025, 1027, 527, 2026, 1026, 2027, 3527, 4026, 4027, 77, 1025, 1027, 527, 1525, 1026, 4027, 4026, 2525, 2526, 3026, 78, 1027, 527, 1525, 1527, 4027, 3026, 2526, 2527, 3027, 1526, 79, 27, 1027, 29, 527, 2027, 2028, 28, 3527, 4027, 3528, 80, 1027, 29, 527, 1527, 2028, 3528, 4027, 2527, 4028, 3027, 81, 29, 527, 1527, 529, 3528, 3027, 4028, 3529, 528, 3028, 82, 29, 1027, 1029, 529, 2028, 1028, 2029, 3529, 4028, 4029, 83, 1027, 1029, 529, 1527, 1028, 4029, 4028, 2527, 2528, 3028, 84, 1029, 529, 1527, 1529, 4029, 3028, 2528, 2529, 3029, 1528, 85, 29, 1029, 31, 529, 2029, 2030, 30, 3529, 4029, 3530, 86, 1029, 31, 529, 1529, 2030, 3530, 4029, 2529, 4030, 3029, 87, 31, 529, 1529, 531, 3530, 3029, 4030, 3531, 530, 3030, 88, 31, 1029, 1031, 531, 2030, 1030, 2031, 3531, 4030, 4031, 89, 1029, 1031, 531, 1529, 1030, 4031, 4030, 2529, 2530, 3030, 90, 1031, 531, 1529, 1531, 4031, 3030, 2530, 2531, 3031, 1530, 91, 31, 1031, 33, 531, 2031, 2032, 32, 3531, 4031, 3532, 92, 1031, 33, 531, 1531, 2032, 3532, 4031, 2531, 4032, 3031, 93, 33, 531, 1531, 533, 3532, 3031, 4032, 3533, 532, 3032, 94, 33, 1031, 1033, 533, 2032, 1032, 2033, 3533, 4032, 4033, 95, 1031, 1033, 533, 1531, 1032, 4033, 4032, 2531, 2532, 3032, 96, 1033, 533, 1531, 1533, 4033, 3032, 2532, 2533, 3033, 1532, 97, 33, 1033, 35, 533, 2033, 2034, 34, 3533, 4033, 3534, 98, 1033, 35, 533, 1533, 2034, 3534, 4033, 2533, 4034, 3033, 99, 35, 533, 1533, 535, 3534, 3033, 4034, 3535, 534, 3034, 100, 35, 1033, 1035, 535, 2034, 1034, 2035, 3535, 4034, 4035, 101, 1033, 1035, 535, 1533, 1034, 4035, 4034, 2533, 2534, 3034, 102, 1035, 535, 1533, 1535, 4035, 3034, 2534, 2535, 3035, 1534, 103, 35, 1035, 37, 535, 2035, 2036, 36, 3535, 4035, 3536, 104, 1035, 37, 535, 1535, 2036, 3536, 4035, 2535, 4036, 3035, 105, 37, 535, 1535, 537, 3536, 3035, 4036, 3537, 536, 3036, 106, 37, 1035, 1037, 537, 2036, 1036, 2037, 3537, 4036, 4037, 107, 1035, 1037, 537, 1535, 1036, 4037, 4036, 2535, 2536, 3036, 108, 1037, 537, 1535, 1537, 4037, 3036, 2536, 2537, 3037, 1536, 109, 37, 1037, 39, 537, 2037, 2038, 38, 3537, 4037, 3538, 110, 1037, 39, 537, 1537, 2038, 3538, 4037, 2537, 4038, 3037, 111, 39, 537, 1537, 539, 3538, 3037, 4038, 3539, 538, 3038, 112, 39, 1037, 1039, 539, 2038, 1038, 2039, 3539, 4038, 4039, 113, 1037, 1039, 539, 1537, 1038, 4039, 4038, 2537, 2538, 3038, 114, 1039, 539, 1537, 1539, 4039, 3038, 2538, 2539, 3039, 1538, 115, 39, 1039, 41, 539, 2039, 2040, 40, 3539, 4039, 3540, 116, 1039, 41, 539, 1539, 2040, 3540, 4039, 2539, 4040, 3039, 117, 41, 539, 1539, 541, 3540, 3039, 4040, 3541, 540, 3040, 118, 41, 1039, 1041, 541, 2040, 1040, 2041, 3541, 4040, 4041, 119, 1039, 1041, 541, 1539, 1040, 4041, 4040, 2539, 2540, 3040, 120, 1041, 541, 1539, 1541, 4041, 3040, 2540, 2541, 3041, 1540, 121, 41, 1041, 43, 541, 2041, 2042, 42, 3541, 4041, 3542, 122, 1041, 43, 541, 1541, 2042, 3542, 4041, 2541, 4042, 3041, 123, 43, 541, 1541, 543, 3542, 3041, 4042, 3543, 542, 3042, 124, 43, 1041, 1043, 543, 2042, 1042, 2043, 3543, 4042, 4043, 125, 1041, 1043, 543, 1541, 1042, 4043, 4042, 2541, 2542, 3042, 126, 1043, 543, 1541, 1543, 4043, 3042, 2542, 2543, 3043, 1542, 127, 43, 1043, 45, 543, 2043, 2044, 44, 3543, 4043, 3544, 128, 1043, 45, 543, 1543, 2044, 3544, 4043, 2543, 4044, 3043, 129, 45, 543, 1543, 545, 3544, 3043, 4044, 3545, 544, 3044, 130, 45, 1043, 1045, 545, 2044, 1044, 2045, 3545, 4044, 4045, 131, 1043, 1045, 545, 1543, 1044, 4045, 4044, 2543, 2544, 3044, 132, 1045, 545, 1543, 1545, 4045, 3044, 2544, 2545, 3045, 1544, 133, 45, 1045, 47, 545, 2045, 2046, 46, 3545, 4045, 3546, 134, 1045, 47, 545, 1545, 2046, 3546, 4045, 2545, 4046, 3045, 135, 47, 545, 1545, 547, 3546, 3045, 4046, 3547, 546, 3046, 136, 47, 1045, 1047, 547, 2046, 1046, 2047, 3547, 4046, 4047, 137, 1045, 1047, 547, 1545, 1046, 4047, 4046, 2545, 2546, 3046, 138, 1047, 547, 1545, 1547, 4047, 3046, 2546, 2547, 3047, 1546, 139, 47, 1047, 49, 547, 2047, 2048, 48, 3547, 4047, 3548, 140, 1047, 49, 547, 1547, 2048, 3548, 4047, 2547, 4048, 3047, 141, 49, 547, 1547, 549, 3548, 3047, 4048, 3549, 548, 3048, 142, 49, 1047, 1049, 549, 2048, 1048, 2049, 3549, 4048, 4049, 143, 1047, 1049, 549, 1547, 1048, 4049, 4048, 2547, 2548, 3048, 144, 1049, 549, 1547, 1549, 4049, 3048, 2548, 2549, 3049, 1548, 145, 49, 1049, 51, 549, 2049, 2050, 50, 3549, 4049, 3550, 146, 1049, 51, 549, 1549, 2050, 3550, 4049, 2549, 4050, 3049, 147, 51, 549, 1549, 551, 3550, 3049, 4050, 3551, 550, 3050, 148, 51, 1049, 1051, 551, 2050, 1050, 2051, 3551, 4050, 4051, 149, 1049, 1051, 551, 1549, 1050, 4051, 4050, 2549, 2550, 3050, 150, 1051, 551, 1549, 1551, 4051, 3050, 2550, 2551, 3051, 1550, 151, 51, 1051, 53, 551, 2051, 2052, 52, 3551, 4051, 3552, 152, 1051, 53, 551, 1551, 2052, 3552, 4051, 2551, 4052, 3051, 153, 53, 551, 1551, 553, 3552, 3051, 4052, 3553, 552, 3052, 154, 53, 1051, 1053, 553, 2052, 1052, 2053, 3553, 4052, 4053, 155, 1051, 1053, 553, 1551, 1052, 4053, 4052, 2551, 2552, 3052, 156, 1053, 553, 1551, 1553, 4053, 3052, 2552, 2553, 3053, 1552, 157, 53, 1053, 55, 553, 2053, 2054, 54, 3553, 4053, 3554, 158, 1053, 55, 553, 1553, 2054, 3554, 4053, 2553, 4054, 3053, 159, 55, 553, 1553, 555, 3554, 3053, 4054, 3555, 554, 3054, 160, 55, 1053, 1055, 555, 2054, 1054, 2055, 3555, 4054, 4055, 161, 1053, 1055, 555, 1553, 1054, 4055, 4054, 2553, 2554, 3054, 162, 1055, 555, 1553, 1555, 4055, 3054, 2554, 2555, 3055, 1554, 163, 55, 1055, 57, 555, 2055, 2056, 56, 3555, 4055, 3556, 164, 1055, 57, 555, 1555, 2056, 3556, 4055, 2555, 4056, 3055, 165, 57, 555, 1555, 557, 3556, 3055, 4056, 3557, 556, 3056, 166, 57, 1055, 1057, 557, 2056, 1056, 2057, 3557, 4056, 4057, 167, 1055, 1057, 557, 1555, 1056, 4057, 4056, 2555, 2556, 3056, 168, 1057, 557, 1555, 1557, 4057, 3056, 2556, 2557, 3057, 1556, 169, 57, 1057, 59, 557, 2057, 2058, 58, 3557, 4057, 3558, 170, 1057, 59, 557, 1557, 2058, 3558, 4057, 2557, 4058, 3057, 171, 59, 557, 1557, 559, 3558, 3057, 4058, 3559, 558, 3058, 172, 59, 1057, 1059, 559, 2058, 1058, 2059, 3559, 4058, 4059, 173, 1057, 1059, 559, 1557, 1058, 4059, 4058, 2557, 2558, 3058, 174, 1059, 559, 1557, 1559, 4059, 3058, 2558, 2559, 3059, 1558, 175, 59, 1059, 61, 559, 2059, 2060, 60, 3559, 4059, 3560, 176, 1059, 61, 559, 1559, 2060, 3560, 4059, 2559, 4060, 3059, 177, 61, 559, 1559, 561, 3560, 3059, 4060, 3561, 560, 3060, 178, 61, 1059, 1061, 561, 2060, 1060, 2061, 3561, 4060, 4061, 179, 1059, 1061, 561, 1559, 1060, 4061, 4060, 2559, 2560, 3060, 180, 1061, 561, 1559, 1561, 4061, 3060, 2560, 2561, 3061, 1560, 181, 61, 1061, 63, 561, 2061, 2062, 62, 3561, 4061, 3562, 182, 1061, 63, 561, 1561, 2062, 3562, 4061, 2561, 4062, 3061, 183, 63, 561, 1561, 563, 3562, 3061, 4062, 3563, 562, 3062, 184, 63, 1061, 1063, 563, 2062, 1062, 2063, 3563, 4062, 4063, 185, 1061, 1063, 563, 1561, 1062, 4063, 4062, 2561, 2562, 3062, 186, 1063, 563, 1561, 1563, 4063, 3062, 2562, 2563, 3063, 1562, 187, 63, 1063, 65, 563, 2063, 2064, 64, 3563, 4063, 3564, 188, 1063, 65, 563, 1563, 2064, 3564, 4063, 2563, 4064, 3063, 189, 65, 563, 1563, 565, 3564, 3063, 4064, 3565, 564, 3064, 190, 65, 1063, 1065, 565, 2064, 1064, 2065, 3565, 4064, 4065, 191, 1063, 1065, 565, 1563, 1064, 4065, 4064, 2563, 2564, 3064, 192, 1065, 565, 1563, 1565, 4065, 3064, 2564, 2565, 3065, 1564, 193, 65, 1065, 67, 565, 2065, 2066, 66, 3565, 4065, 3566, 194, 1065, 67, 565, 1565, 2066, 3566, 4065, 2565, 4066, 3065, 195, 67, 565, 1565, 567, 3566, 3065, 4066, 3567, 566, 3066, 196, 67, 1065, 1067, 567, 2066, 1066, 2067, 3567, 4066, 4067, 197, 1065, 1067, 567, 1565, 1066, 4067, 4066, 2565, 2566, 3066, 198, 1067, 567, 1565, 1567, 4067, 3066, 2566, 2567, 3067, 1566, 199, 67, 1067, 69, 567, 2067, 2068, 68, 3567, 4067, 3568, 200, 1067, 69, 567, 1567, 2068, 3568, 4067, 2567, 4068, 3067, 201, 69, 567, 1567, 569, 3568, 3067, 4068, 3569, 568, 3068, 202, 69, 1067, 1069, 569, 2068, 1068, 2069, 3569, 4068, 4069, 203, 1067, 1069, 569, 1567, 1068, 4069, 4068, 2567, 2568, 3068, 204, 1069, 569, 1567, 1569, 4069, 3068, 2568, 2569, 3069, 1568, 205, 69, 1069, 71, 569, 2069, 2070, 70, 3569, 4069, 3570, 206, 1069, 71, 569, 1569, 2070, 3570, 4069, 2569, 4070, 3069, 207, 71, 569, 1569, 571, 3570, 3069, 4070, 3571, 570, 3070, 208, 71, 1069, 1071, 571, 2070, 1070, 2071, 3571, 4070, 4071, 209, 1069, 1071, 571, 1569, 1070, 4071, 4070, 2569, 2570, 3070, 210, 1071, 571, 1569, 1571, 4071, 3070, 2570, 2571, 3071, 1570, 211, 71, 1071, 73, 571, 2071, 2072, 72, 3571, 4071, 3572, 212, 1071, 73, 571, 1571, 2072, 3572, 4071, 2571, 4072, 3071, 213, 73, 571, 1571, 573, 3572, 3071, 4072, 3573, 572, 3072, 214, 73, 1071, 1073, 573, 2072, 1072, 2073, 3573, 4072, 4073, 215, 1071, 1073, 573, 1571, 1072, 4073, 4072, 2571, 2572, 3072, 216, 1073, 573, 1571, 1573, 4073, 3072, 2572, 2573, 3073, 1572, 217, 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881, 1879, 1881, 4381, 3380, 2880, 2881, 3381, 1880, 1141, 381, 1381, 383, 881, 2381, 2382, 382, 3881, 4381, 3882, 1142, 1381, 383, 881, 1881, 2382, 3882, 4381, 2881, 4382, 3381, 1143, 383, 881, 1881, 883, 3882, 3381, 4382, 3883, 882, 3382, 1144, 383, 1381, 1383, 883, 2382, 1382, 2383, 3883, 4382, 4383, 1145, 1381, 1383, 883, 1881, 1382, 4383, 4382, 2881, 2882, 3382, 1146, 1383, 883, 1881, 1883, 4383, 3382, 2882, 2883, 3383, 1882, 1147, 383, 1383, 385, 883, 2383, 2384, 384, 3883, 4383, 3884, 1148, 1383, 385, 883, 1883, 2384, 3884, 4383, 2883, 4384, 3383, 1149, 385, 883, 1883, 885, 3884, 3383, 4384, 3885, 884, 3384, 1150, 385, 1383, 1385, 885, 2384, 1384, 2385, 3885, 4384, 4385, 1151, 1383, 1385, 885, 1883, 1384, 4385, 4384, 2883, 2884, 3384, 1152, 1385, 885, 1883, 1885, 4385, 3384, 2884, 2885, 3385, 1884, 1153, 385, 1385, 387, 885, 2385, 2386, 386, 3885, 4385, 3886, 1154, 1385, 387, 885, 1885, 2386, 3886, 4385, 2885, 4386, 3385, 1155, 387, 885, 1885, 887, 3886, 3385, 4386, 3887, 886, 3386, 1156, 387, 1385, 1387, 887, 2386, 1386, 2387, 3887, 4386, 4387, 1157, 1385, 1387, 887, 1885, 1386, 4387, 4386, 2885, 2886, 3386, 1158, 1387, 887, 1885, 1887, 4387, 3386, 2886, 2887, 3387, 1886, 1159, 387, 1387, 389, 887, 2387, 2388, 388, 3887, 4387, 3888, 1160, 1387, 389, 887, 1887, 2388, 3888, 4387, 2887, 4388, 3387, 1161, 389, 887, 1887, 889, 3888, 3387, 4388, 3889, 888, 3388, 1162, 389, 1387, 1389, 889, 2388, 1388, 2389, 3889, 4388, 4389, 1163, 1387, 1389, 889, 1887, 1388, 4389, 4388, 2887, 2888, 3388, 1164, 1389, 889, 1887, 1889, 4389, 3388, 2888, 2889, 3389, 1888, 1165, 389, 1389, 391, 889, 2389, 2390, 390, 3889, 4389, 3890, 1166, 1389, 391, 889, 1889, 2390, 3890, 4389, 2889, 4390, 3389, 1167, 391, 889, 1889, 891, 3890, 3389, 4390, 3891, 890, 3390, 1168, 391, 1389, 1391, 891, 2390, 1390, 2391, 3891, 4390, 4391, 1169, 1389, 1391, 891, 1889, 1390, 4391, 4390, 2889, 2890, 3390, 1170, 1391, 891, 1889, 1891, 4391, 3390, 2890, 2891, 3391, 1890, 1171, 391, 1391, 393, 891, 2391, 2392, 392, 3891, 4391, 3892, 1172, 1391, 393, 891, 1891, 2392, 3892, 4391, 2891, 4392, 3391, 1173, 393, 891, 1891, 893, 3892, 3391, 4392, 3893, 892, 3392, 1174, 393, 1391, 1393, 893, 2392, 1392, 2393, 3893, 4392, 4393, 1175, 1391, 1393, 893, 1891, 1392, 4393, 4392, 2891, 2892, 3392, 1176, 1393, 893, 1891, 1893, 4393, 3392, 2892, 2893, 3393, 1892, 1177, 393, 1393, 395, 893, 2393, 2394, 394, 3893, 4393, 3894, 1178, 1393, 395, 893, 1893, 2394, 3894, 4393, 2893, 4394, 3393, 1179, 395, 893, 1893, 895, 3894, 3393, 4394, 3895, 894, 3394, 1180, 395, 1393, 1395, 895, 2394, 1394, 2395, 3895, 4394, 4395, 1181, 1393, 1395, 895, 1893, 1394, 4395, 4394, 2893, 2894, 3394, 1182, 1395, 895, 1893, 1895, 4395, 3394, 2894, 2895, 3395, 1894, 1183, 395, 1395, 397, 895, 2395, 2396, 396, 3895, 4395, 3896, 1184, 1395, 397, 895, 1895, 2396, 3896, 4395, 2895, 4396, 3395, 1185, 397, 895, 1895, 897, 3896, 3395, 4396, 3897, 896, 3396, 1186, 397, 1395, 1397, 897, 2396, 1396, 2397, 3897, 4396, 4397, 1187, 1395, 1397, 897, 1895, 1396, 4397, 4396, 2895, 2896, 3396, 1188, 1397, 897, 1895, 1897, 4397, 3396, 2896, 2897, 3397, 1896, 1189, 397, 1397, 399, 897, 2397, 2398, 398, 3897, 4397, 3898, 1190, 1397, 399, 897, 1897, 2398, 3898, 4397, 2897, 4398, 3397, 1191, 399, 897, 1897, 899, 3898, 3397, 4398, 3899, 898, 3398, 1192, 399, 1397, 1399, 899, 2398, 1398, 2399, 3899, 4398, 4399, 1193, 1397, 1399, 899, 1897, 1398, 4399, 4398, 2897, 2898, 3398, 1194, 1399, 899, 1897, 1899, 4399, 3398, 2898, 2899, 3399, 1898, 1195, 399, 1399, 401, 899, 2399, 2400, 400, 3899, 4399, 3900, 1196, 1399, 401, 899, 1899, 2400, 3900, 4399, 2899, 4400, 3399, 1197, 401, 899, 1899, 901, 3900, 3399, 4400, 3901, 900, 3400, 1198, 401, 1399, 1401, 901, 2400, 1400, 2401, 3901, 4400, 4401, 1199, 1399, 1401, 901, 1899, 1400, 4401, 4400, 2899, 2900, 3400, 1200, 1401, 901, 1899, 1901, 4401, 3400, 2900, 2901, 3401, 1900, *ELset,ELSET=CHANNEL,generate 1,900 *ELsEt,ELSET=ABSORB,generate 901,1200 *elset,elset=one 1, ************************************************ ** ** 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 node LOAD. ** To prescribe a total outward volume acceleration ** of 1 on the face with area 4, the load must be ** distributed in the ratios (-1/12,1/3) to the ** (corner,midside) nodes, respectively: ** *CLOAD CRNRLOAD,8, .33333E2 SIDELOAD,8, -1.33333E2 *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 *FREQUENCY,EIGENSOLVER=AMS 200,,300. *OUTPUT,FIELD,FREQUENCY=999 *NODE OUTPUT U, *ELEMENT OUTPUT S, **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 *STEADY STATE DYNAMICS,FREQUENCY SCALE=LINEAR,INTERVAL=RANGE 100,1100,3,1 ** ** Prescribe outward acceleration of 100 at node LOAD. ** To prescribe a total outward volume acceleration ** of 1 on the face with area 4, the load must be ** distributed in the ratios (-1/12,1/3) to the ** (corner,midside) nodes, respectively: *CLOAD CRNRLOAD,8, .33333E2 SIDELOAD,8, -1.33333E2 ** *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