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[求助]
有license的童鞋帮我看一下这个错误怎么解决，链接如下
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错误number：1150 http://www.comsol.com/support/knowledgebase/1150/ |
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mikefallon
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【答案】应助回帖
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感谢参与，应助指数 +1
xiegangmai: 金币+2, 谢谢参与！ 2013-03-10 22:37:21
未名之鲲: 金币+5 2013-03-11 08:58:15
感谢参与，应助指数 +1
xiegangmai: 金币+2, 谢谢参与！ 2013-03-10 22:37:21
未名之鲲: 金币+5 2013-03-11 08:58:15
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1. Problem Description Why do I get the error Failed to compute elastoplastic strain variables when using plasticity/concrete/soil plasticity? 2. Solution This happens because the elastoplastic element cannot evaluate a plastic step if the current stress state is outside of the yield surface. There are two situations where you may encounter this problem: In the first load step The elastoplastic element fails to evaluate the consistence conditions (due to either loads, displacements, initial stress/strains), and it fails to compute the first elastic-predictor step. That is, your initial state, e.g. assumed in-situ stresses in a geomechanical problem are outside the yield surface. During postprocessing When results are requested at other positions than the Gauss points, the elastoplastic element actually performs a stress computation. If the gradients of the elastoplastic strains are a large within an element this computation may fail. If this happens, use the Gauss point variables such as solid.sGpx instead of general variables like solid.sx. |
2楼2013-03-10 14:24:59
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xiegangmai: 金币+1, 谢谢参与！ 2013-04-02 23:59:03
xiegangmai: 金币+1, 谢谢参与！ 2013-04-02 23:59:03
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