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[结构振动] 请问一下,增加约束对结构固有频率的影响?应该怎么分析呢? |
发表于 2006-6-24 20:14
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发表于 2006-6-24 20:44
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发表于 2006-6-26 12:51
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回复:(huhust)也就是边界条件改变了,控制方程不变...
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