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美丽之音木虫 (小有名气)
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[求助]
求助中 关于ANSYS接触热力耦合问题
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求助各路高手，我做一个胀管ANSYS模拟，在静态类型下加载压力（248MPa）时收敛，但是对于材料参数我加上关于温度的参数后，就出现不收敛的情况了。这是一个接触问题，我分三步，第一步常温加载，第二步常温卸载，第三步300摄氏度下热处理（4小时）。我用的耦合13单元，膨胀系数，热传导系数，比热，密度都设置了。请问还需要设置什么参数。还有请高手指点一下错误。 材料参数建模命令流： /PREP7 !* ET,1,PLANE13 !* KEYOPT,1,1,4 KEYOPT,1,2,0 KEYOPT,1,3,1 KEYOPT,1,4,0 KEYOPT,1,5,0 !* !* !* MPTEMP,,,,,,,, MPTEMP,1,0 MPDATA,EX,1,,2E5 MPDATA,PRXY,1,,0.3 !* TB,MISO,1,1,15,0 TBTEMP,0 TBPT,,0.000005,1 TBPT,,0.001292,258.4 TBPT,,0.008896,281.5389 TBPT,,0.018786,311.3201 TBPT,,0.028679,333.6332 TBPT,,0.036875,353.8488 TBPT,,0.040174,362.6667 TBPT,,0.044854,371.8924 TBPT,,0.057197,399.6883 TBPT,,0.073549,420.9405 TBPT,,0.110461,481.728 TBPT,,0.146688,525.0239 TBPT,,0.176915,550.2706 TBPT,,0.210052,575.9866 TBPT,,0.220608,585.5343 MPTEMP,,,,,,,, MPTEMP,1,0 MPDATA,EX,2,,2E5 MPDATA,PRXY,2,,0.3 TB,MISO,2,1,13,0 TBTEMP,0 TBPT,,0.000012354,2.4708 TBPT,,0.0021,420 TBPT,,0.012213777,432.3586715 TBPT,,0.012780333,435.2423321 TBPT,,0.015075206,443.1434805 TBPT,,0.019858381,461.7696036 TBPT,,0.024413735,478.727664 TBPT,,0.039003055,522.1076815 TBPT,,0.052246755,550.5790914 TBPT,,0.06294231,566.9945992 TBPT,,0.085523179,591.8980764 TBPT,,0.11076039,609.2304886 TBPT,,0.160806765,626.4068025 MPTEMP,,,,,,,, MPTEMP,1,50 MPTEMP,2,100 MPTEMP,3,150 MPTEMP,4,200 MPTEMP,5,250 MPTEMP,6,300 MPTEMP,7,350 MPTEMP,8,400 MPTEMP,9,450 MPTEMP,10,500 MPTEMP,11,550 MPTEMP,12,600 MPTEMP,13,650 UIMP,1,REFT,,, MPDATA,ALPX,1,,0.0000142 MPDATA,ALPX,1,,0.0000143 MPDATA,ALPX,1,,0.0000146 MPDATA,ALPX,1,,0.000015 MPDATA,ALPX,1,,0.0000155 MPDATA,ALPX,1,,0.0000157 MPDATA,ALPX,1,,0.0000155 MPDATA,ALPX,1,,0.0000149 MPDATA,ALPX,1,,0.0000149 MPDATA,ALPX,1,,0.0000149 MPDATA,ALPX,1,,0.0000149 MPDATA,ALPX,1,,0.0000149 MPDATA,ALPX,1,,0.0000149 MPTEMP,,,,,,,, MPTEMP,1,50 MPTEMP,2,100 MPTEMP,3,150 MPTEMP,4,200 MPTEMP,5,250 MPTEMP,6,300 MPTEMP,7,350 MPTEMP,8,400 MPTEMP,9,450 MPTEMP,10,500 MPTEMP,11,550 MPTEMP,12,600 MPTEMP,13,650 UIMP,2,REFT,,, MPDATA,ALPX,2,,1.75E-05 MPDATA,ALPX,2,,1.21E-05 MPDATA,ALPX,2,,1.24E-05 MPDATA,ALPX,2,,1.27E-05 MPDATA,ALPX,2,,1.30E-05 MPDATA,ALPX,2,,1.33E-05 MPDATA,ALPX,2,,1.36E-05 MPDATA,ALPX,2,,1.39E-05 MPDATA,ALPX,2,,1.41E-05 MPDATA,ALPX,2,,1.44E-05 MPDATA,ALPX,2,,1.47E-05 MPDATA,ALPX,2,,1.50E-05 MPDATA,ALPX,2,,1.53E-05 MPTEMP,,,,,,,, MPTEMP,1,50 MPTEMP,2,100 MPTEMP,3,150 MPTEMP,4,200 MPTEMP,5,250 MPTEMP,6,300 MPTEMP,7,350 MPTEMP,8,400 MPTEMP,9,450 MPTEMP,10,500 MPTEMP,11,550 MPTEMP,12,600 MPTEMP,13,650 MPDATA,KXX,1,,6.371 MPDATA,KXX,1,,6.678 MPDATA,KXX,1,,6.986 MPDATA,KXX,1,,7.293 MPDATA,KXX,1,,7.601 MPDATA,KXX,1,,7.908 MPDATA,KXX,1,,8.216 MPDATA,KXX,1,,8.523 MPDATA,KXX,1,,8.831 MPDATA,KXX,1,,9.138 MPDATA,KXX,1,,9.446 MPDATA,KXX,1,,9.753 MPDATA,KXX,1,,10.061 MPTEMP,,,,,,,, MPTEMP,1,50 MPTEMP,2,100 MPTEMP,3,150 MPTEMP,4,200 MPTEMP,5,250 MPTEMP,6,300 MPTEMP,7,350 MPTEMP,8,400 MPTEMP,9,450 MPTEMP,10,500 MPTEMP,11,550 MPTEMP,12,600 MPTEMP,13,650 MPDATA,KXX,2,,0.0383 MPDATA,KXX,2,,0.0383 MPDATA,KXX,2,,0.0383 MPDATA,KXX,2,,0.0386 MPDATA,KXX,2,,0.0381 MPDATA,KXX,2,,0.0375 MPDATA,KXX,2,,0.0368 MPDATA,KXX,2,,0.0383 MPDATA,KXX,2,,0.0374 MPDATA,KXX,2,,0.0364 MPDATA,KXX,2,,0.0358 MPDATA,KXX,2,,0.0348 MPDATA,KXX,2,,0.0342 MPTEMP,,,,,,,, MPTEMP,1,0 MPTEMP,,,,,,,, MPTEMP,1,0 CYL4, , ,43.7102, ,8.865,90 CYL4, , ,8.74, ,7.73,90 CYL4,24.892, ,8.865 CYL4,12.446,24.892*1.732/2,8.865 FLST,3,2,5,ORDE,2 FITEM,3,3 FITEM,3,-4 ASBA, 1,P51X CM,_Y,AREA ASEL, , , , 2 CM,_Y1,AREA CMSEL,S,_Y !* CMSEL,S,_Y1 AATT, 2, , 1, 0, CMSEL,S,_Y CMDELE,_Y CMDELE,_Y1 !* CM,_Y,AREA ASEL, , , , 5 CM,_Y1,AREA CMSEL,S,_Y !* CMSEL,S,_Y1 AATT, 1, , 1, 0, CMSEL,S,_Y CMDELE,_Y CMDELE,_Y1 !* FLST,5,4,4,ORDE,4 FITEM,5,1 FITEM,5,3 FITEM,5,5 FITEM,5,7 CM,_Y,LINE LSEL, , , ,P51X CM,_Y1,LINE CMSEL,,_Y !*  1  捕获1.PNG |
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