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error:threefactorizationsinarowfailed? 500
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请教一下各位大神这个错误如何解决,three factorizations in a row failed,it is possible that the model contains the kinematic coupling definition set up in a way that a degree of freedom has neither mass nor stiffness(最近技术邻一直没法回复,不知道咋回事,希望能加个qq 952090680指点一下) 注: 我先是在hypermesh画好网格,定义好接触,然后导入到abaqus中做模态分析,结果一直报这个错。还请各位大神帮忙看看。 1.接触设置上通过WireFeature定义了三个方向的弹簧刚度。具体为定义了两个参考点,然后与相应部件进行耦合约束,最后指派截面属性(单个部件计算,不会报错) 2尝试过一下方法: a.在模态分析步前增加静力分析步,添加重力载荷,结果不会报这个错,但是提示too many attempt failed b.运动耦合时约束6个自由度,报错。c、把运动耦合改成分布耦合,也是报错