*Heading Inertia Relief analysis option for Multiple load cases *Part, name=Part-1 *End Part *Assembly, name=Assembly ** *Instance, name=Part-1-1, part=Part-1 *Node 1, 1.6, -3.2, 0. 2, 0., -4., 0. 3, 0.01216974, -8., 0. 4, 4., -8., 0. 5, 4., -6.472136, 0. 6, 4.211145, -5.577709, 0. 7, 6., -2., 0. 8, 4., 0., 0. 9, -9.004409, -4., 0. 10, -8.97745, -8., 0. 11, -2., -8., 0. 12, -15.05573, -4., 0. 13, -14.92905, -8., 0. 14, -19., -8., 0. 15, -16., -8., 0. 16, -16.84458, -4.422291, 0. 17, -18.95467, -6.821343, 0. 18, -19.44721, -5.723607, 0. 19, -20., -7., 0. 20, -20., -6.618034, 0. 21, 0.8031251, -3.831663, 0. 22, 0.006154671, -4.917082, 0. 23, 0.01602751, -5.931712, 0. 24, 0.01502819, -6.967278, 0. 25, 1.023282, -8., 0. 26, 2.032166, -8., 0. 27, 3.026647, -8., 0. 28, 4., -7.178097, 0. 29, 4.711081, -4.577838, 0. 30, 5.169517, -3.660965, 0. 31, 5.618927, -2.762145, 0. 32, 5.432555, -1.432555, 0. 33, 4.757285, -0.757285, 0. 34, 3.348218, -0.8690429, 0. 35, 2.749256, -1.667658, 0. 36, 2.174428, -2.434096, 0. 37, -8.99791, -5.000177, 0. 38, -8.988499, -6.0003, 0. 39, -8.980816, -7.000247, 0. 40, -7.990024, -8., 0. 41, -6.997742, -8., 0. 42, -6.001842, -8., 0. 43, -5.003505, -8., 0. 44, -4.003501, -8., 0. 45, -3.002222, -8., 0. 46, -0.995423, -8., 0. 47, -1.001525, -4., 0. 48, -2.004194, -4., 0. 49, -3.006888, -4., 0. 50, -4.009352, -4., 0. 51, -5.011513, -4., 0. 52, -6.013093, -4., 0. 53, -7.013328, -4., 0. 54, -8.01093, -4., 0. 55, -14.93441, -5.066488, 0. 56, -14.86637, -6.062255, 0. 57, -14.88339, -7.041842, 0. 58, -13.91152, -8., 0. 59, -12.91319, -8., 0. 60, -11.9231, -8., 0. 61, -10.9377, -8., 0. 62, -9.959577, -8., 0. 63, -9.992516, -4., 0. 64, -10.97867, -4., 0. 65, -11.96653, -4., 0. 66, -12.96423, -4., 0. 67, -13.98602, -4., 0. 68, -18.2582, -8., 0. 69, -17.50344, -8., 0. 70, -16.73624, -8., 0. 71, -17.85347, -4.926733, 0. 72, -18.69098, -5.345491, 0. 73, -15.97474, -4.107004, 0. 74, -18.89937, -7.36928, 0. 75, -19.11133, -6.308973, 0. 76, -19.48832, -6.962916, 0. 77, -19.71333, -7.700827, 0. 78, 2.193256, -4.435803, 0. 79, 1.009337, -4.765504, 0. 80, 2.051695, -6.965624, 0. 81, 2.100143, -5.845548, 0. 82, 3.334997, -5.036431, 0. 83, 4.120387, -1.558213, 0. 84, 3.531943, -2.412759, 0. 85, 2.928864, -3.327535, 0. 86, 1.0382, -5.87431, 0. 87, 1.032051, -6.951803, 0. 88, 3.049525, -7.062157, 0. 89, 3.121166, -6.104068, 0. 90, 3.830415, -4.005252, 0. 91, 4.346718, -3.079204, 0. 92, 4.876421, -2.204804, 0. 93, -8.005321, -5.000063, 0. 94, -7.998403, -6.000112, 0. 95, -7.992512, -7.000095, 0. 96, -7.009016, -5.000022, 0. 97, -7.00395, -6.00004, 0. 98, -6.999558, -7.000035, 0. 99, -6.010016, -5.000008, 0. 100, -6.006382, -6.000014, 0. 101, -6.003204, -7.000013, 0. 102, -5.009406, -4.999948, 0. 103, -5.006826, -5.999897, 0. 104, -5.004545, -6.999885, 0. 105, -4.007888, -4.999379, 0. 106, -4.006001, -5.998989, 0. 107, -4.004303, -6.999166, 0. 108, -3.00573, -4.99683, 0. 109, -3.004154, -5.995631, 0. 110, -3.00278, -6.996909, 0. 111, -2.002861, -4.989235, 0. 112, -2.000996, -5.986964, 0. 113, -1.999788, -6.991699, 0. 114, -0.9989526, -4.969475, 0. 115, -0.9952729, -5.968178, 0. 116, -0.9938641, -6.981789, 0. 117, -13.93812, -5.026113, 0. 118, -13.89847, -6.029896, 0. 119, -13.89765, -7.020253, 0. 120, -12.94137, -5.010501, 0. 121, -12.9161, -6.013513, 0. 122, -12.90496, -7.009274, 0. 123, -11.9523, -5.004233, 0. 124, -11.93437, -6.005874, 0. 125, -11.92374, -7.004175, 0. 126, -10.96778, -5.00169, 0. 127, -10.95408, -6.002477, 0. 128, -10.94472, -7.00182, 0. 129, -9.982904, -5.000665, 0. 130, -9.97221, -6.001017, 0. 131, -9.96433, -7.000771, 0. 132, -18.25879, -7.306129, 0. 133, -17.50822, -7.226885, 0. 134, -16.70385, -7.148581, 0. 135, -15.85276, -7.085243, 0. 136, -18.31516, -6.645236, 0. 137, -17.56257, -6.460413, 0. 138, -16.71899, -6.288424, 0. 139, -15.8294, -6.153761, 0. 140, -18.4599, -5.99772, 0. 141, -17.66656, -5.695421, 0. 142, -16.78046, -5.395831, 0. 143, -15.87975, -5.180771, 0. 144, -19.36614, -7.353789, 0. 145, -19.5767, -6.693744, 0. *Element, type=CPE4 1, 1, 21, 79, 78 2, 21, 2, 22, 79 3, 22, 23, 86, 79 4, 23, 24, 87, 86 5, 24, 3, 25, 87 6, 79, 86, 81, 78 7, 86, 87, 80, 81 8, 87, 25, 26, 80 9, 26, 27, 88, 80 10, 27, 4, 28, 88 11, 80, 88, 89, 81 12, 88, 28, 5, 89 13, 81, 89, 82, 78 14, 89, 5, 6, 82 15, 6, 29, 90, 82 16, 29, 30, 91, 90 17, 30, 31, 92, 91 18, 31, 7, 32, 92 19, 82, 90, 85, 78 20, 90, 91, 84, 85 21, 91, 92, 83, 84 22, 92, 32, 33, 83 23, 33, 8, 34, 83 24, 83, 34, 35, 84 25, 84, 35, 36, 85 26, 85, 36, 1, 78 27, 9, 37, 93, 54 28, 37, 38, 94, 93 29, 38, 39, 95, 94 30, 39, 10, 40, 95 31, 54, 93, 96, 53 32, 93, 94, 97, 96 33, 94, 95, 98, 97 34, 95, 40, 41, 98 35, 53, 96, 99, 52 36, 96, 97, 100, 99 37, 97, 98, 101, 100 38, 98, 41, 42, 101 39, 52, 99, 102, 51 40, 99, 100, 103, 102 41, 100, 101, 104, 103 42, 101, 42, 43, 104 43, 51, 102, 105, 50 44, 102, 103, 106, 105 45, 103, 104, 107, 106 46, 104, 43, 44, 107 47, 50, 105, 108, 49 48, 105, 106, 109, 108 49, 106, 107, 110, 109 50, 107, 44, 45, 110 51, 49, 108, 111, 48 52, 108, 109, 112, 111 53, 109, 110, 113, 112 54, 110, 45, 11, 113 55, 48, 111, 114, 47 56, 111, 112, 115, 114 57, 112, 113, 116, 115 58, 113, 11, 46, 116 59, 47, 114, 22, 2 60, 114, 115, 23, 22 61, 115, 116, 24, 23 62, 116, 46, 3, 24 63, 12, 55, 117, 67 64, 55, 56, 118, 117 65, 56, 57, 119, 118 66, 57, 13, 58, 119 67, 67, 117, 120, 66 68, 117, 118, 121, 120 69, 118, 119, 122, 121 70, 119, 58, 59, 122 71, 66, 120, 123, 65 72, 120, 121, 124, 123 73, 121, 122, 125, 124 74, 122, 59, 60, 125 75, 65, 123, 126, 64 76, 123, 124, 127, 126 77, 124, 125, 128, 127 78, 125, 60, 61, 128 79, 64, 126, 129, 63 80, 126, 127, 130, 129 81, 127, 128, 131, 130 82, 128, 61, 62, 131 83, 63, 129, 37, 9 84, 129, 130, 38, 37 85, 130, 131, 39, 38 86, 131, 62, 10, 39 87, 14, 68, 132, 74 88, 68, 69, 133, 132 89, 69, 70, 134, 133 90, 70, 15, 135, 134 91, 15, 13, 57, 135 92, 74, 132, 136, 17 93, 132, 133, 137, 136 94, 133, 134, 138, 137 95, 134, 135, 139, 138 96, 135, 57, 56, 139 97, 17, 136, 140, 75 98, 136, 137, 141, 140 99, 137, 138, 142, 141 100, 138, 139, 143, 142 101, 139, 56, 55, 143 102, 75, 140, 72, 18 103, 140, 141, 71, 72 104, 141, 142, 16, 71 105, 142, 143, 73, 16 106, 143, 55, 12, 73 107, 74, 17, 76, 144 108, 76, 19, 77, 144 109, 77, 14, 74, 144 110, 20, 19, 76, 145 111, 76, 17, 75, 145 112, 75, 18, 20, 145 ** Region: (plane:Picked) *Elset, elset=_I1, internal, generate 1, 112, 1 *ELSET,elset=EALL,internal,generate 1,112,1 ** Section: plane *Solid Section, elset=_I1, material=steel 0.2 *End Instance *Nset, nset=front, instance=Part-1-1 14, *Nset, nset=back, instance=Part-1-1 4, *Nset, nset=eall, instance=Part-1-1, generate 1, 145, 1 *Elset, elset=eall, instance=Part-1-1, generate 1, 112, 1 *Elset, elset=_bottom_E2, internal, instance=Part-1-1 5, 8, 30, 34, 38, 42, 46, 50, 54, 58, 62, 66, 70, 74, 78, 82 86, 108 *Elset, elset=_bottom_E1, internal, instance=Part-1-1 9, 10, 87, 88, 89, 90, 91, 109 *Surface, type=ELEMENT, name=bottom _bottom_E2, S2 _bottom_E1, S1 *Elset, elset=_top_E2, internal, instance=Part-1-1, generate 23, 26, 1 *Elset, elset=_top_E1, internal, instance=Part-1-1 1, 2 *Elset, elset=_top_E4, internal, instance=Part-1-1, generate 27, 83, 4 *Elset, elset=_top_E3, internal, instance=Part-1-1 105, 106 *Surface, type=ELEMENT, name=top _top_E2, S2 _top_E1, S1 _top_E4, S4 _top_E3, S3 *Elset, elset=_tail_E2, internal, instance=Part-1-1 10, 12, 14, 18, 22, 23, 24, 25, 26 *Elset, elset=_tail_E1, internal, instance=Part-1-1 1, 2, 15, 16, 17, 18, 23 *Surface, type=ELEMENT, name=tail _tail_E2, S2 _tail_E1, S1 *Elset, elset=_cockpit_E2, internal, instance=Part-1-1 108, 112 *Elset, elset=_cockpit_E1, internal, instance=Part-1-1 109, 110 *Elset, elset=_cockpit_E3, internal, instance=Part-1-1, generate 102, 106, 1 *Surface, type=ELEMENT, name=cockpit _cockpit_E2, S2 _cockpit_E1, S1 _cockpit_E3, S3 *End Assembly ** ** MATERIALS ** *Material, name=steel *Density 7800., *Elastic 2e+11, 0.3 ** ---------------------------------------------------------------- ** ** STEP: Step-1 ** *Step, name=Step-1, perturbation Multiple load with inertia relief analysis *Static ** LOAD CASES ** *Load Case, name=all ** Name: BC-1 Type: Displacement/Rotation Scale factor: 1 *Boundary, op=NEW front, 1, 1 front, 2, 2 ** Name: BC-2 Type: Displacement/Rotation Scale factor: 1 *Boundary, op=NEW back, 2, 2 ** Name: bot-pres Type: Pressure Scale factor: 1 *Dsload, op=NEW bottom, P, 10. ** Name: cockpit-pres Type: Pressure Scale factor: 1 *Dsload, op=NEW cockpit, P, 10. ** Name: grav Type: Gravity Scale factor: 1 *Dload eall, GRAV, 9.81, 0., -1., 0. ** Name: inertia Type: Inertia relief Scale factor: 1 *Inertia Relief ** Name: tail-pres Type: Pressure Scale factor: 1 *Dsload, op=NEW tail, P, 10. ** Name: top-pres Type: Pressure Scale factor: 1 *Dsload, op=NEW cockpit, P, 10. *End Load Case *Load Case, name=b-c-t-g-i ** Name: BC-1 Type: Displacement/Rotation Scale factor: 1 *Boundary, op=NEW front, 1, 1 front, 2, 2 ** Name: BC-2 Type: Displacement/Rotation Scale factor: 1 *Boundary, op=NEW back, 2, 2 ** Name: bot-pres Type: Pressure Scale factor: 1 *Dsload, op=NEW bottom, P, 10. ** Name: cockpit-pres Type: Pressure Scale factor: 2 *Dsload, op=NEW cockpit, P, 20. ** Name: grav Type: Gravity Scale factor: 1 *Dload eall, GRAV, 9.81, 0., -1., 0. ** Name: inertia Type: Inertia relief Scale factor: 1 *Inertia Relief ** Name: tail-pres Type: Pressure Scale factor: 1.75 *Dsload, op=NEW tail, P, 17.5 *End Load Case *Load Case, name=t-c-t-i-g ** Name: BC-1 Type: Displacement/Rotation Scale factor: 1 *Boundary, op=NEW front, 1, 1 front, 2, 2 ** Name: BC-2 Type: Displacement/Rotation Scale factor: 1 *Boundary, op=NEW back, 2, 2 ** Name: cockpit-pres Type: Pressure Scale factor: 1 *Dsload, op=NEW cockpit, P, 10. ** Name: grav Type: Gravity Scale factor: 1 *Dload eall, GRAV, 9.81, 0., -1., 0. ** Name: inertia Type: Inertia relief Scale factor: 1 *Inertia Relief ** Name: tail-pres Type: Pressure Scale factor: 1.75 *Dsload, op=NEW tail, P, 17.5 ** Name: top-pres Type: Pressure Scale factor: 1.5 *Dsload, op=NEW cockpit, P, 15. *End Load Case *****OUTPUT DEFINITION *Output, field, variable=PRESELECT *EL PRINT,elset=EALL IRX, IRA, IRF, IRRI,IRMASS *End Step