最近处理一个大型的齿轮箱，模型采用壳和实体单元混合建模，壳和实体单元采用shell-to-solid建模，有些网格区域采用tie连接，在提交运算时总是出现错误。错误信息如下：
The factorizations in a row failed.Check the model.It is possible that the model contains the kinematic coupling definition set up in a way that a degree of freedom has neither mass or stiffness.
发表于 2008-10-12 09:25
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