We name it fluid structure interaction, or simply FSI.

这种耦合作用称为流体结构相互作用, 简称流固耦合.

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Our results show that FSI affects the system modal frequencies seriously, but mode shapes slightly.

结果表明,流固耦合作用对系统模态频率的影响较大,对系统模态振型的影响较小.

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With the same content free silicon , material that has bigger grain size has better oxidation resistance.

fSi含量相同时, 材料晶粒越大,抗氧化性能越好.

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