ansys ，流固耦合 ，模态分析
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请问，油罐流固耦合，做模态分析。
显示"Master degree of freedom not allowed on slave degree of freedom in coupled set.
Coupled set number 811 First node= 98657 Slave node= 126403 Degree of
freedom= UX
Move Master to first node. "
这是怎么回事？怎么解决呀。谢谢
显示"Master degree of freedom not allowed on slave degree of freedom in coupled set.
Coupled set number 811 First node= 98657 Slave node= 126403 Degree of
freedom= UX
Move Master to first node. "
这是怎么回事？怎么解决呀。谢谢
