*Heading 2D model of Box with Air Adaptive mesh used to update Air 2D continuum elements tested ** ** PARTS ** *Part, name=air *End Part *Part, name=box *End Part ** ** ASSEMBLY ** *Assembly, name=Assembly ** *Instance, name=air-1, part=air *Node 1, 15., 25. 2, 15., 20. 3, 15., 15. 4, 15., 10. 5, 15., 5. 6, 15., 0. 7, 15., -5. 8, 15., -10. 9, 15., -15. 10, 15., -20. 11, 15., -25. 12, 20., 25. 13, 20., 20. 14, 20., 15. 15, 20., 10. 16, 20., 5. 17, 20., 0. 18, 20., -5. 19, 20., -10. 20, 20., -15. 21, 20., -20. 22, 20., -25. 23, 25., 25. 24, 25., 20. 25, 25., 15. 26, 25., 10. 27, 25., 5. 28, 25., 0. 29, 25., -5. 30, 25., -10. 31, 25., -15. 32, 25., -20. 33, 25., -25. 34, 30., 25. 35, 30., 20. 36, 30., 15. 37, 30., 10. 38, 30., 5. 39, 30., 0. 40, 30., -5. 41, 30., -10. 42, 30., -15. 43, 30., -20. 44, 30., -25. 45, 35., 25. 46, 35., 20. 47, 35., 15. 48, 35., 10. 49, 35., 5. 50, 35., 0. 51, 35., -5. 52, 35., -10. 53, 35., -15. 54, 35., -20. 55, 35., -25. 56, 40., 25. 57, 40., 20. 58, 40., 15. 59, 40., 10. 60, 40., 5. 61, 40., 0. 62, 40., -5. 63, 40., -10. 64, 40., -15. 65, 40., -20. 66, 40., -25. 67, 45., 25. 68, 45., 20. 69, 45., 15. 70, 45., 10. 71, 45., 5. 72, 45., 0. 73, 45., -5. 74, 45., -10. 75, 45., -15. 76, 45., -20. 77, 45., -25. 78, 15., 22.5 79, 17.5, 20. 80, 20., 22.5 81, 17.5, 25. 82, 15., 17.5 83, 17.5, 15. 84, 20., 17.5 85, 15., 12.5 86, 17.5, 10. 87, 20., 12.5 88, 15., 7.5 89, 17.5, 5. 90, 20., 7.5 91, 15., 2.5 92, 17.5, 0. 93, 20., 2.5 94, 15., -2.5 95, 17.5, -5. 96, 20., -2.5 97, 15., -7.5 98, 17.5, -10. 99, 20., -7.5 100, 15., -12.5 101, 17.5, -15. 102, 20., -12.5 103, 15., -17.5 104, 17.5, -20. 105, 20., -17.5 106, 15., -22.5 107, 17.5, -25. 108, 20., -22.5 109, 22.5, 20. 110, 25., 22.5 111, 22.5, 25. 112, 22.5, 15. 113, 25., 17.5 114, 22.5, 10. 115, 25., 12.5 116, 22.5, 5. 117, 25., 7.5 118, 22.5, 0. 119, 25., 2.5 120, 22.5, -5. 121, 25., -2.5 122, 22.5, -10. 123, 25., -7.5 124, 22.5, -15. 125, 25., -12.5 126, 22.5, -20. 127, 25., -17.5 128, 22.5, -25. 129, 25., -22.5 130, 27.5, 20. 131, 30., 22.5 132, 27.5, 25. 133, 27.5, 15. 134, 30., 17.5 135, 27.5, 10. 136, 30., 12.5 137, 27.5, 5. 138, 30., 7.5 139, 27.5, 0. 140, 30., 2.5 141, 27.5, -5. 142, 30., -2.5 143, 27.5, -10. 144, 30., -7.5 145, 27.5, -15. 146, 30., -12.5 147, 27.5, -20. 148, 30., -17.5 149, 27.5, -25. 150, 30., -22.5 151, 32.5, 20. 152, 35., 22.5 153, 32.5, 25. 154, 32.5, 15. 155, 35., 17.5 156, 32.5, 10. 157, 35., 12.5 158, 32.5, 5. 159, 35., 7.5 160, 32.5, 0. 161, 35., 2.5 162, 32.5, -5. 163, 35., -2.5 164, 32.5, -10. 165, 35., -7.5 166, 32.5, -15. 167, 35., -12.5 168, 32.5, -20. 169, 35., -17.5 170, 32.5, -25. 171, 35., -22.5 172, 37.5, 20. 173, 40., 22.5 174, 37.5, 25. 175, 37.5, 15. 176, 40., 17.5 177, 37.5, 10. 178, 40., 12.5 179, 37.5, 5. 180, 40., 7.5 181, 37.5, 0. 182, 40., 2.5 183, 37.5, -5. 184, 40., -2.5 185, 37.5, -10. 186, 40., -7.5 187, 37.5, -15. 188, 40., -12.5 189, 37.5, -20. 190, 40., -17.5 191, 37.5, -25. 192, 40., -22.5 193, 42.5, 20. 194, 45., 22.5 195, 42.5, 25. 196, 42.5, 15. 197, 45., 17.5 198, 42.5, 10. 199, 45., 12.5 200, 42.5, 5. 201, 45., 7.5 202, 42.5, 0. 203, 45., 2.5 204, 42.5, -5. 205, 45., -2.5 206, 42.5, -10. 207, 45., -7.5 208, 42.5, -15. 209, 45., -12.5 210, 42.5, -20. 211, 45., -17.5 212, 42.5, -25. 213, 45., -22.5 *Element, type=AC2D8 1, 1, 2, 13, 12, 78, 79, 80, 81 2, 2, 3, 14, 13, 82, 83, 84, 79 3, 3, 4, 15, 14, 85, 86, 87, 83 4, 4, 5, 16, 15, 88, 89, 90, 86 5, 5, 6, 17, 16, 91, 92, 93, 89 6, 6, 7, 18, 17, 94, 95, 96, 92 7, 7, 8, 19, 18, 97, 98, 99, 95 8, 8, 9, 20, 19, 100, 101, 102, 98 9, 9, 10, 21, 20, 103, 104, 105, 101 10, 10, 11, 22, 21, 106, 107, 108, 104 11, 12, 13, 24, 23, 80, 109, 110, 111 12, 13, 14, 25, 24, 84, 112, 113, 109 13, 14, 15, 26, 25, 87, 114, 115, 112 14, 15, 16, 27, 26, 90, 116, 117, 114 15, 16, 17, 28, 27, 93, 118, 119, 116 16, 17, 18, 29, 28, 96, 120, 121, 118 17, 18, 19, 30, 29, 99, 122, 123, 120 18, 19, 20, 31, 30, 102, 124, 125, 122 19, 20, 21, 32, 31, 105, 126, 127, 124 20, 21, 22, 33, 32, 108, 128, 129, 126 21, 23, 24, 35, 34, 110, 130, 131, 132 22, 24, 25, 36, 35, 113, 133, 134, 130 23, 25, 26, 37, 36, 115, 135, 136, 133 24, 26, 27, 38, 37, 117, 137, 138, 135 25, 27, 28, 39, 38, 119, 139, 140, 137 26, 28, 29, 40, 39, 121, 141, 142, 139 27, 29, 30, 41, 40, 123, 143, 144, 141 28, 30, 31, 42, 41, 125, 145, 146, 143 29, 31, 32, 43, 42, 127, 147, 148, 145 30, 32, 33, 44, 43, 129, 149, 150, 147 31, 34, 35, 46, 45, 131, 151, 152, 153 32, 35, 36, 47, 46, 134, 154, 155, 151 33, 36, 37, 48, 47, 136, 156, 157, 154 34, 37, 38, 49, 48, 138, 158, 159, 156 35, 38, 39, 50, 49, 140, 160, 161, 158 36, 39, 40, 51, 50, 142, 162, 163, 160 37, 40, 41, 52, 51, 144, 164, 165, 162 38, 41, 42, 53, 52, 146, 166, 167, 164 39, 42, 43, 54, 53, 148, 168, 169, 166 40, 43, 44, 55, 54, 150, 170, 171, 168 41, 45, 46, 57, 56, 152, 172, 173, 174 42, 46, 47, 58, 57, 155, 175, 176, 172 43, 47, 48, 59, 58, 157, 177, 178, 175 44, 48, 49, 60, 59, 159, 179, 180, 177 45, 49, 50, 61, 60, 161, 181, 182, 179 46, 50, 51, 62, 61, 163, 183, 184, 181 47, 51, 52, 63, 62, 165, 185, 186, 183 48, 52, 53, 64, 63, 167, 187, 188, 185 49, 53, 54, 65, 64, 169, 189, 190, 187 50, 54, 55, 66, 65, 171, 191, 192, 189 51, 56, 57, 68, 67, 173, 193, 194, 195 52, 57, 58, 69, 68, 176, 196, 197, 193 53, 58, 59, 70, 69, 178, 198, 199, 196 54, 59, 60, 71, 70, 180, 200, 201, 198 55, 60, 61, 72, 71, 182, 202, 203, 200 56, 61, 62, 73, 72, 184, 204, 205, 202 57, 62, 63, 74, 73, 186, 206, 207, 204 58, 63, 64, 75, 74, 188, 208, 209, 206 59, 64, 65, 76, 75, 190, 210, 211, 208 60, 65, 66, 77, 76, 192, 212, 213, 210 ** Region: (air:Picked) *Elset, elset=_I1, internal, generate 1, 60, 1 ** Section: air *Solid Section, elset=_I1, material=air 1., *End Instance ** *Instance, name=box-1, part=box *Node 1, 45., 25. 2, 45., 30. 3, 15., 30. 4, 15., 25. 5, 45., -25. 6, 50., -25. 7, 50., 30. 8, 10., -25. 9, 15., -25. 10, 10., 30. 11, 10., -30. 12, 50., -30. 13, 39., 30. 14, 33., 30. 15, 27., 30. 16, 21., 30. 17, 21., 25. 18, 27., 25. 19, 33., 25. 20, 39., 25. 21, 45., 18.64305 22, 45., 12.18657 23, 45., 5.914043 24, 45., -0.2971706 25, 45., -6.487946 26, 45., -12.67191 27, 45., -18.8536 28, 50., -18.87713 29, 50., -12.73857 30, 50., -6.594023 31, 50., -0.4452127 32, 50., 5.711833 33, 50., 11.89206 34, 50., 18.14134 35, 50., 24.38045 36, 15., -18.7963 37, 15., -12.60802 38, 15., -6.424897 39, 15., -0.2434842 40, 15., 5.937357 41, 15., 12.11801 42, 15., 18.2986 43, 10., 24.25926 44, 10., 18.07484 45, 10., 11.91613 46, 10., 5.765978 47, 10., -0.3813907 48, 10., -6.528022 49, 10., -12.67498 50, 10., -18.82376 51, 15.47619, -30. 52, 21.25573, -30. 53, 27.04292, -30. 54, 32.8397, -30. 55, 38.66085, -30. 56, 44.55362, -30. 57, 38.85714, -25. 58, 32.90476, -25. 59, 27.01587, -25. 60, 21.14815, -25. 61, 45., 27.5 62, 42., 30. 63, 39., 27.5 64, 42., 25. 65, 36., 30. 66, 33., 27.5 67, 36., 25. 68, 30., 30. 69, 27., 27.5 70, 30., 25. 71, 24., 30. 72, 21., 27.5 73, 24., 25. 74, 18., 30. 75, 15., 27.5 76, 18., 25. 77, 47.5, 24.69022 78, 50., 27.19022 79, 47.5, 30. 80, 45., 21.82153 81, 47.5, 18.3922 82, 50., 21.26089 83, 45., 15.41481 84, 47.5, 12.03932 85, 50., 15.0167 86, 45., 9.050308 87, 47.5, 5.812938 88, 50., 8.801948 89, 45., 2.808436 90, 47.5, -0.3711917 91, 50., 2.63331 92, 45., -3.392558 93, 47.5, -6.540984 94, 50., -3.519618 95, 45., -9.579927 96, 47.5, -12.70524 97, 50., -9.666295 98, 45., -15.76275 99, 47.5, -18.86536 100, 50., -15.80785 101, 45., -21.9268 102, 47.5, -25. 103, 50., -21.93856 104, 12.5, -25. 105, 15., -21.89815 106, 12.5, -18.81003 107, 10., -21.91188 108, 15., -15.70216 109, 12.5, -12.6415 110, 10., -15.74937 111, 15., -9.51646 112, 12.5, -6.47646 113, 10., -9.601501 114, 15., -3.33419 115, 12.5, -0.3124374 116, 10., -3.454706 117, 15., 2.846936 118, 12.5, 5.851667 119, 10., 2.692294 120, 15., 9.027682 121, 12.5, 12.01707 122, 10., 8.841057 123, 15., 15.2083 124, 12.5, 18.18672 125, 10., 14.99549 126, 15., 21.6493 127, 12.5, 24.62963 128, 10., 21.16705 129, 12.5, 30. 130, 10., 27.12963 131, 10., -27.5 132, 12.7381, -30. 133, 15.2381, -27.5 134, 18.36596, -30. 135, 21.20194, -27.5 136, 18.07407, -25. 137, 24.14932, -30. 138, 27.0294, -27.5 139, 24.08201, -25. 140, 29.94131, -30. 141, 32.87223, -27.5 142, 29.96032, -25. 143, 35.75028, -30. 144, 38.759, -27.5 145, 35.88095, -25. 146, 41.60724, -30. 147, 44.77681, -27.5 148, 41.92857, -25. 149, 47.27681, -30. 150, 50., -27.5 *Element, type=CPE8RH 1, 1, 2, 13, 20, 61, 62, 63, 64 2, 20, 13, 14, 19, 63, 65, 66, 67 3, 19, 14, 15, 18, 66, 68, 69, 70 4, 18, 15, 16, 17, 69, 71, 72, 73 5, 17, 16, 3, 4, 72, 74, 75, 76 6, 2, 1, 35, 7, 61, 77, 78, 79 7, 1, 21, 34, 35, 80, 81, 82, 77 8, 21, 22, 33, 34, 83, 84, 85, 81 9, 22, 23, 32, 33, 86, 87, 88, 84 10, 23, 24, 31, 32, 89, 90, 91, 87 11, 24, 25, 30, 31, 92, 93, 94, 90 12, 25, 26, 29, 30, 95, 96, 97, 93 13, 26, 27, 28, 29, 98, 99, 100, 96 14, 27, 5, 6, 28, 101, 102, 103, 99 15, 8, 9, 36, 50, 104, 105, 106, 107 16, 50, 36, 37, 49, 106, 108, 109, 110 17, 49, 37, 38, 48, 109, 111, 112, 113 18, 48, 38, 39, 47, 112, 114, 115, 116 19, 47, 39, 40, 46, 115, 117, 118, 119 20, 46, 40, 41, 45, 118, 120, 121, 122 21, 45, 41, 42, 44, 121, 123, 124, 125 22, 44, 42, 4, 43, 124, 126, 127, 128 23, 43, 4, 3, 10, 127, 75, 129, 130 24, 8, 11, 51, 9, 131, 132, 133, 104 25, 9, 51, 52, 60, 133, 134, 135, 136 26, 60, 52, 53, 59, 135, 137, 138, 139 27, 59, 53, 54, 58, 138, 140, 141, 142 28, 58, 54, 55, 57, 141, 143, 144, 145 29, 57, 55, 56, 5, 144, 146, 147, 148 30, 5, 56, 12, 6, 147, 149, 150, 102 ** Region: (Solid:Picked) *Elset, elset=_I1, internal, generate 1, 30, 1 ** Section: Solid *Solid Section, elset=_I1, material=solid 1., *End Instance *Nset, nset=sir_s, instance=air-1 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 22, 23, 33, 34 44, 45, 55, 56, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77 78, 81, 82, 85, 88, 91, 94, 97, 100, 103, 106, 107, 111, 128, 132, 149 153, 170, 174, 191, 194, 195, 197, 199, 201, 203, 205, 207, 209, 211, 212, 213 *Elset, elset=sir_s, instance=air-1 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 20, 21, 30, 31, 40 41, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60 *Nset, nset=Solid_S, instance=box-1 1, 4, 5, 9, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 36 37, 38, 39, 40, 41, 42, 57, 58, 59, 60, 64, 67, 70, 73, 76, 80 83, 86, 89, 92, 95, 98, 101, 105, 108, 111, 114, 117, 120, 123, 126, 136 139, 142, 145, 148 *Elset, elset=Solid_S, instance=box-1 1, 2, 3, 4, 5, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17 18, 19, 20, 21, 22, 25, 26, 27, 28, 29 *Nset, nset=_Set10, internal, instance=box-1 2, 3, 7, 10, 13, 14, 15, 16, 62, 65, 68, 71, 74, 79, 129 *Elset, elset=_Set10, internal, instance=box-1 1, 2, 3, 4, 5, 6, 23 *Nset, nset=left, instance=box-1 10 *Nset, nset=right, instance=box-1 7 *Nset, nset=load, instance=box-1 11,12 *Nset, nset=out_box, instance=box-1 2, 3, 7, 10, 13, 14, 15, 16 *Nset, nset=out_air, instance=air-1 44, 45, 55, 56, 66, 67 *Nset, nset=Air, instance=air-1, generate 1, 213, 1 *Elset, elset=Air, instance=air-1, generate 1, 60, 1 *Elset, elset=_air_S1, internal, instance=air-1, generate 1, 10, 1 *Elset, elset=_air_S2, internal, instance=air-1, generate 10, 60, 10 *Elset, elset=_air_S3, internal, instance=air-1, generate 51, 60, 1 *Elset, elset=_air_S4, internal, instance=air-1, generate 1, 51, 10 *Surface, type=ELEMENT, name=air _air_S1, S1 _air_S2, S2 _air_S4, S4 _air_S3, S3 *Elset, elset=_Solid-s_S4, internal, instance=box-1 1, 2, 3, 4, 5, 25, 26, 27, 28, 29 *Elset, elset=_Solid-s_S1, internal, instance=box-1, generate 7, 14, 1 *Elset, elset=_Solid-s_S2, internal, instance=box-1, generate 15, 22, 1 *Surface, type=ELEMENT, name=Solid-s _Solid-s_S4, S4 _Solid-s_S1, S1 _Solid-s_S2, S2 ** Constraint: air-solid *Tie, name=air-solid, adjust=yes air, Solid-s *End Assembly ** ** MATERIALS ** *Material, name=air *Acoustic Medium 20000., *Density 1.1e-4, *Material, name=solid *Density 0.1 *Elastic 1000.,0. *Boundary left, 1, 2 right,1, 2 ** ---------------------------------------------------------------- ** ** STEP: Step-1 ** *Step, name=Step-1, perturbation *Frequency 10 ** ** OUTPUT REQUESTS ** *Restart, write, frequency=1 ** ** FIELD OUTPUT: F-Output-1 ** *Output, field, variable=PRESELECT *El Print, freq=999999 *Node Print, freq=999999 *End Step ** ---------------------------------------------------------------- ** ** STEP: Step-2 ** *Step, name=Step-2, nlgeom *Static 0.2, 1., 1e-05, 1. ** ** BOUNDARY CONDITIONS ** ** Name: BC-1 Type: Displacement/Rotation *Boundary, op=new left, 1, 2, 0.0 right, 2, 2, 35.0 ** ** OUTPUT REQUESTS ** *Restart, write, frequency=1 ** ** FIELD OUTPUT: F-Output-2 ** *ADAPTIVE MESH,FREQ=1,MESH=10,ELSET=Air *PRINT,ADAP=YES *Output, field *ELEMENT OUTPUT S *NODE OUTPUT U ** ** HISTORY OUTPUT: H-Output-1 ** *Output, history, variable=PRESELECT *End Step ** ---------------------------------------------------------------- ** ** STEP: Step-3 ** *Step, name=Step-3, nlgeom *Static *Boundary, op=new,FIXED left, 1, 2 right, 1, 2 ** *End Step ** ---------------------------------------------------------------- ** ** STEP: Step-4 ** *Step, name=Step-4, perturbation *Frequency 20 ** ** OUTPUT REQUESTS ** *Restart, write, frequency=1 ** ** FIELD OUTPUT: F-Output-1 ** *Output, field, variable=PRESELECT *End Step ** ---------------------------------------------------------------- ** ** STEP: Step-5 ** *step,name=Step-5,pert *STEADY STATE DYNAMICS,interval=range 0.40,0.46,10 *CLOAD,load case=1 load,1,1,100 *CLOAD,load case=2 load,2,2,10 *OUTPUT, FIELD, FREQ=0 *OUTPUT,HISTORY *NODE OUTPUT,NSET=out_box u, *NODE OUTPUT,NSET=out_air por, *END STEP ** ---------------------------------------------------------------- ** ** STEP: Step-6 ** *step,name=Step-6,pert *STEADY STATE DYNAMICS,DIRECT,interval=range 0.40,0.46,10 *CLOAD,load case=1 load,1,1,100 *CLOAD,load case=2 load,2,2,10 *OUTPUT, FIELD, FREQ=0 *OUTPUT,HISTORY *NODE OUTPUT,NSET=out_box u, *NODE OUTPUT,NSET=out_air por, *END STEP ** ---------------------------------------------------------------- ** ** STEP: Step-7 ** *step,name=Step-7,pert *STEADY STATE DYNAMICS,SUBSPACE PROJECTION,interval=range 0.40,0.46,10 *CLOAD,load case=1 load,1,1,100 *CLOAD,load case=2 load,2,2,10 *OUTPUT, FIELD, FREQ=0 *OUTPUT,HISTORY *NODE OUTPUT,NSET=out_box u, *NODE OUTPUT,NSET=out_air por, *END STEP