*Heading AXISYMMETRIC TIRE-AIR INTERACTION APPLY ADAPTIVE MESHING TO UPDATE FLUID USED AS BASE STATE IN am_tireair_ac3d20.inp *Node 1, 133.0795, 17.6441 2, 110., 15. 3, 110., 12.1921 4, 130.1377, 14.6759 5, 110., 0. 6, 132.1157, 0. 7, 138., 0. 8, 127.3517, 20.7936 9, 120.2127, 20.0649 10, 114.4098, 17.5867 11, 115.2976, 13.3767 12, 120.9509, 14.7701 13, 126.1478, 15.1039 14, 110., 8.45017 15, 110., 4.31845 16, 115.5341, 0. 17, 121.0336, 0. 18, 126.5221, 0. 19, 131.7998, 5.52873 20, 131.0783, 10.6922 21, 137.6025, 6.24966 22, 136.2247, 12.3881 23, 115.4284, 9.00797 24, 115.4874, 4.54216 25, 120.8794, 9.6991 26, 120.9465, 4.84614 27, 126.1228, 10.1596 28, 126.3478, 5.13363 51, 136.4036, 11.889 52, 143.1992, 14.6474 53, 110., 20. 54, 110., 15. 55, 141., 0. 56, 138., 0. 57, 145., 0. 58, 139.674, 13.2026 59, 140.3605, 19.6142 60, 135.6735, 23.0525 61, 130.2496, 24.9445 62, 124.5124, 25.5826 63, 118.8792, 24.6712 64, 114.0135, 22.4476 65, 110., 18.3503 66, 114.7767, 17.7824 67, 119.5534, 19.8569 68, 124.2259, 20.8643 69, 128.6882, 20.5012 70, 132.2826, 18.4378 71, 134.7612, 15.401 72, 137.354, 8.03714 73, 137.8012, 4.04762 74, 144.8265, 4.65146 75, 144.3889, 9.49225 76, 137.5026, 17.175 77, 134.1037, 20.3423 78, 129.5284, 22.3786 79, 124.3888, 22.9216 80, 119.3783, 22.0249 81, 114.65, 20.0485 82, 140.7527, 8.70145 83, 141.1813, 4.32418 84, 130.2156, 19.21885 85, 126.7497, 17.94875 86, 128.1427, 14.8899 87, 131.6086, 16.16 88, 123.7822, 20.42925 89, 120.5818, 17.4175 90, 123.5493, 14.937 91, 117.3112, 18.8258 92, 114.8537, 15.4817 93, 118.1243, 14.0734 94, 112.2049, 16.29335 95, 110., 13.59605 96, 112.6488, 12.7844 97, 110., 10.32113 98, 112.7142, 8.72907 99, 115.363, 11.19234 100, 110., 6.38431 101, 112.7437, 4.430305 102, 115.4579, 6.775065 103, 110., 2.159225 104, 112.7671, 0. 105, 115.5107, 2.27108 106, 118.1539, 9.353535 107, 120.9151, 12.2346 108, 118.2169, 4.69415 109, 120.9129, 7.27262 110, 118.2839, 0. 111, 120.9901, 2.42307 112, 123.5011, 9.92935 113, 126.1353, 12.63175 114, 123.6472, 4.989885 115, 126.2353, 7.646615 116, 123.7778, 0. 117, 126.435, 2.566815 118, 128.6006, 10.4259 119, 130.608, 12.68405 120, 129.0738, 5.33118 121, 131.4391, 8.110465 122, 129.3189, 0. 123, 131.9578, 2.764365 124, 135.0579, 0. 125, 137.8012, 3.12483 126, 134.7011, 5.889195 127, 136.9136, 9.31888 128, 133.6515, 11.54015 129, 134.6521, 15.0161 130, 138.0388, 12.5458 131, 138.5883, 15.1888 132, 136.1319, 16.288 133, 135.5824, 13.645 134, 141.4366, 13.925 135, 141.7798, 17.1308 136, 138.9315, 18.3946 137, 135.8031, 18.75865 138, 133.1931, 19.39005 139, 133.5219, 16.9194 140, 138.017, 21.33335 141, 134.8886, 21.6974 142, 131.816, 21.36045 143, 129.1083, 21.4399 144, 130.4854, 19.4695 145, 132.9615, 23.9985 146, 129.889, 23.66155 147, 126.9586, 22.6501 148, 124.3074, 21.89295 149, 126.457, 20.68275 150, 127.381, 25.26355 151, 124.4506, 24.2521 152, 121.8836, 22.47325 153, 119.4659, 20.9409 154, 121.8896, 20.3606 155, 121.6958, 25.1269 156, 119.1288, 23.34805 157, 117.0142, 21.0367 158, 114.7133, 18.91545 159, 117.1651, 18.81965 160, 116.4464, 23.5594 161, 114.3317, 21.24805 162, 112.325, 19.1994 163, 110., 16.67515 164, 112.3884, 16.3912 165, 112.0067, 21.2238 166, 110., 19.17515 167, 140.2133, 10.95202 168, 142.5708, 9.09685 169, 143.7941, 12.06983 170, 136.8788, 9.96307 171, 139.0533, 8.369295 172, 140.967, 6.512815 173, 143.0039, 4.48782 174, 144.6077, 7.071856 175, 137.5776, 6.04238 176, 139.4912, 4.1859 177, 141.0907, 2.16209 178, 143., 0. 179, 144.9133, 2.32573 180, 137.9006, 2.02381 181, 139.5, 0. *Element, type=ACAX8 1, 1, 8, 13, 4, 84, 85, 86, 87 2, 8, 9, 12, 13, 88, 89, 90, 85 3, 9, 10, 11, 12, 91, 92, 93, 89 4, 10, 2, 3, 11, 94, 95, 96, 92 5, 3, 14, 23, 11, 97, 98, 99, 96 6, 14, 15, 24, 23, 100, 101, 102, 98 7, 15, 5, 16, 24, 103, 104, 105, 101 8, 11, 23, 25, 12, 99, 106, 107, 93 9, 23, 24, 26, 25, 102, 108, 109, 106 10, 24, 16, 17, 26, 105, 110, 111, 108 11, 12, 25, 27, 13, 107, 112, 113, 90 12, 25, 26, 28, 27, 109, 114, 115, 112 13, 26, 17, 18, 28, 111, 116, 117, 114 14, 13, 27, 20, 4, 113, 118, 119, 86 15, 27, 28, 19, 20, 115, 120, 121, 118 16, 28, 18, 6, 19, 117, 122, 123, 120 17, 6, 7, 21, 19, 124, 125, 126, 123 18, 19, 21, 22, 20, 126, 127, 128, 121 19, 20, 22, 1, 4, 128, 129, 87, 119 *Element, type=CAX8RH 51, 51, 58, 76, 71, 130, 131, 132, 133 52, 58, 52, 59, 76, 134, 135, 136, 131 53, 71, 76, 77, 70, 132, 137, 138, 139 54, 76, 59, 60, 77, 136, 140, 141, 137 55, 70, 77, 78, 69, 138, 142, 143, 144 56, 77, 60, 61, 78, 141, 145, 146, 142 57, 69, 78, 79, 68, 143, 147, 148, 149 58, 78, 61, 62, 79, 146, 150, 151, 147 59, 68, 79, 80, 67, 148, 152, 153, 154 60, 79, 62, 63, 80, 151, 155, 156, 152 61, 67, 80, 81, 66, 153, 157, 158, 159 62, 80, 63, 64, 81, 156, 160, 161, 157 63, 66, 81, 65, 54, 158, 162, 163, 164 64, 81, 64, 53, 65, 161, 165, 166, 162 65, 52, 58, 82, 75, 134, 167, 168, 169 66, 58, 51, 72, 82, 130, 170, 171, 167 67, 75, 82, 83, 74, 168, 172, 173, 174 68, 82, 72, 73, 83, 171, 175, 176, 172 69, 74, 83, 55, 57, 173, 177, 178, 179 70, 83, 73, 56, 55, 176, 180, 181, 177 *Elset, elset=AIR, generate 1, 19, 1 *Elset, elset=TIRE, generate 51, 70, 1 ** Region: (Section-1-AIR:AIR) *Elset, elset=_I1, generate 1, 19, 1 ** Section: Section-1-AIR *Solid Section, elset=_I1, material=AIR 1., ** Region: (Section-2-TIRE:TIRE) *Elset, elset=_I2, generate 51, 70, 1 ** Section: Section-2-TIRE *Solid Section, elset=_I2, material=RUBBER 1., **End Instance *Nset, nset=AIR, generate 1, 181, 1 *Nset, nset=CENT 53, 54, 65 *Nset, nset=NOUT 53, 54, 65, 69, 70 *Nset, nset=qa_test 53, 54, 65, 69, 70 *Nset, nset=SYMM, generate 55, 57, 1 *Nset, nset=TIRE, generate 51, 83, 1 *Elset, elset=AIR_S1, generate 1, 4, 1 *Elset, elset=AIR_S2, generate 17, 19, 1 *Elset, elset=LINER_S2, generate 66, 70, 2 *Elset, elset=LINER_S4, generate 51, 63, 2 *Nset, nset=_M14 54, *Nset, nset=_M15 56, *Elset, elset=Set-1, generate 1, 19, 1 *Elset, elset=air-el, generate 1, 19, 1 *Elset, elset=_LINER_S4, generate 51, 63, 2 *Elset, elset=_LINER_S2, generate 66, 70, 2 *Surface, type=ELEMENT, name=LINER _LINER_S4, S4 _LINER_S2, S2 *Surface, type=ELEMENT, name=air air_S2, S2 air_S1, S1 ** Constraint: air-liner *Tie, name=air_liner, adjust=yes, type=node air, liner ** ** MATERIALS ** *Material, name=AIR *Acoustic Medium 14200., *Density 0.0012, *Material, name=RUBBER *Density 0.0011, *Hyperelastic 100.,0.,0. ** ** INTERACTION PROPERTIES ** *Surface Interaction, name=AIR_LINER 1., ** ** BOUNDARY CONDITIONS ** ** Name: Disp-BC-1 Type: Displacement/Rotation *Boundary SYMM, 2, 2 ** Name: Disp-BC-2 Type: Displacement/Rotation *Boundary CENT, 1, 1 ** Name: Disp-BC-3 Type: Symmetry/Antisymmetry/Encastre *Boundary _M14, YSYMM **Name: Disp-BC-4 Type: Symmetry/Antisymmetry/Encastre *Boundary _M15, XSYMM ** ---------------------------------------------------------------- ** ** STEP: Step-1 ** *Step, name=Step-1, nlgeom, inc=200 *Static 0.1, 1., 1e-05, 1. ** *ADAPTIVE MESH,ELSET=AIR-el,FREQ=1,MESH SWEEPS=20 *PRINT,ADAPT=YES ** LOADS ** ** Name: SURFFORCE-1 Type: Pressure *Dsload LINER, P, -1.5 ** ** OUTPUT REQUESTS ** *Restart, write, frequency=1 ** FIELD OUTPUT: F-Output-1 ** *Output, field,freq=1 *NODE OUTPUT U,COORD *ELEMENT OUTPUT *Output, history,fre=1 *NODE OUTPUT,NSET=NOUT U *El Print, freq=1 S EE E IVOL, EVOL, *Node Print, freq=1 U *End Step ******* step for frequency extraction. *step *frequency 10 *print eigval *end step *step *STEADY STATE DYNAMICS,interval=range 4.1,5.0,10 *RESTART,WRITE,FREQ=0 *CLOAD,load case=1 60,1,1,100 *CLOAD,load case=2 60,2,2,100 *OUTPUT, FIELD, FREQ=0 *OUTPUT,HISTORY *NODE OUTPUT,NSET=nout u, *END STEP *step *STEADY STATE DYNAMICS,SUBSPACE,interval=range 4.1,5.0,10 *CLOAD,load case=1 60,1,1,100 *CLOAD,load case=2 60,2,2,100 *OUTPUT, FIELD, FREQ=0 *OUTPUT,HISTORY *NODE OUTPUT,NSET=nout u, *END STEP *step *STEADY STATE DYNAMICS,DIRECT,interval=range 4.1,5.0,10 *CLOAD,load case=1 60,1,1,100 *CLOAD,load case=2 60,2,2,100 *OUTPUT, FIELD, FREQ=0 *OUTPUT,HISTORY *NODE OUTPUT,NSET=nout u, *END STEP