求解过程终止，这个错误怎么回事，BH数据可以吗？

ScorpioSAS · 发表于 2012-6-7 20:24

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求大家帮助，在求解过程终止弹出的错误是
*** WARNING ***                      CP = 1461.807 TIME= 18:59:11
The B-H curve evaluation algorithm did not converge.  Consider adding
more data points at locations having a rapidly changing slope and make
sure the curve does not have reversals in curvature.

*** ERROR ***                         CP = 1461.823 TIME= 18:59:11
Unable to evaluate nonlinear magnetic curve.  Element= 462 Material= 1
Abscissa= 7.021719976E-02.

*** ERROR ***                         CP = 1461.823 TIME= 18:59:11
Zero or negative material property.  Element= 462 Material= 1
Abscissa= 7.021719976E-02 Ordinate= 0.

*** WARNING *** SUPPRESSED MESSAGE CP = 1461.823 TIME= 18:59:11
The unconverged solution (identified as time 4.E-02 substep 999999) is
output for analysis debug purposes.  Results should not be used for
any other purpose.
这是怎么回事，难道是BH数据不行，下面是BH曲线图和附件BH数据

ScorpioSAS · 发表于 2012-6-7 20:29

本帖最后由 ScorpioSAS 于 2012-6-7 20:30 编辑

BH数据：TBPT,,0.95448,0.2328TBPT,,1.2524,0.26335
TBPT,,1.25242,0.2634
TBPT,,1.25244,0.26644
TBPT,,1.25246,0.26655
TBPT,,1.27108,0.27252
TBPT,,1.53182,0.29312
TBPT,,2.15572,0.32552
TBPT,,2.86343,0.35205
TBPT,,3.62701,0.37271
TBPT,,4.43715,0.38745
TBPT,,5.23798,0.3993
TBPT,,6.03881,0.41115
TBPT,,6.85826,0.42006
TBPT,,7.71496,0.42598
TBPT,,8.53441,0.43196
TBPT,,9.37249,0.435
TBPT,,10.2385,0.44097
TBPT,,11.06726,0.44395
TBPT,,11.91465,0.44699
TBPT,,12.78066,0.45003
TBPT,,13.61874,0.45308
TBPT,,14.46613,0.45607
TBPT,,15.31351,0.45911
TBPT,,16.18884,0.45921
TBPT,,17.03623,0.46225
TBPT,,17.88361,0.46523
TBPT,,18.76825,0.46534
TBPT,,19.62495,0.46838
TBPT,,20.49096,0.46848
TBPT,,21.40353,0.47147
TBPT,,22.30679,0.47158
TBPT,,23.21937,0.47462
TBPT,,24.16918,0.47472
TBPT,,25.14694,0.4777
TBPT,,26.11538,0.47781
TBPT,,27.09314,0.47791
TBPT,,28.10814,0.48095
TBPT,,29.09521,0.481
TBPT,,30.09159,0.4811
TBPT,,31.1159,0.48415
TBPT,,32.1216,0.48425
TBPT,,33.11798,0.4843
TBPT,,34.12367,0.4844
TBPT,,35.16661,0.48744
TBPT,,36.1723,0.48754
TBPT,,37.17799,0.4876
TBPT,,38.23024,0.4877
TBPT,,39.23593,0.4878

cqlyj2008 · 发表于 2012-6-9 08:04

回复 1# ScorpioSAS
重新找个bh曲线吧，这个式bh曲线拟合出问题了。

jimgreenll · 发表于 2012-7-7 16:31

设定BH曲线啊！！！

夏天的禁忌 · 发表于 2017-12-10 14:10

楼主解决了吗？我遇到了同样的问题

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[求助] 求解过程终止，这个错误怎么回事，BH数据可以吗？

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