拓扑优化出现错误312

hyyfj · 发表于 2011-6-8 15:50:32

ERROR #             312 FROM SUBROUTINE clcuku
In static load case             25 the compliance is negative or large 8.734411E+13
Optimization/buckling analysis cannot be performed due to possible rigid body mode
ERROR #             312 FROM SUBROUTINE clcuku
In static load case             27 the compliance is negative or large 7.156269E+13
Optimization/buckling analysis cannot be performed due to possible rigid body mode
ERROR #             312 FROM SUBROUTINE clcuku
In static load case             29 the compliance is negative or large 1.585929E+14
Optimization/buckling analysis cannot be performed due to possible rigid body mode
(Running minimum-core solution)

jwobls · 发表于 2011-6-9 20:35:15

记得大侠说过刚体位移是否完全消除

hyyfj · 发表于 2011-6-13 08:41:19

大侠，怎么消除刚体位移？

supermonstor · 发表于 2011-6-13 11:55:09

柔度过大，应先用radio进行计算，看看加载和约束有没有问题。

chongbin · 发表于 2011-10-26 22:12:08

radioss算过，正常，做拓扑就出现和楼主一样的问题，郁闷中
是不是要处理一下设计区和非设计区的单元连接？？？

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拓扑优化出现错误312

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