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美丽之音

木虫 (小有名气)

应助: 1 (幼儿园)
金币: 4465.2
散金: 200
红花: 3
帖子: 293
在线: 75.7小时
虫号: 995886
注册: 2010-04-13
专业: 机械工程

[求助] 求助中关于ANSYS接触热力耦合问题

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
!*