Displacement response to aerodynamic excitation is calculated based on the modal parameters and stress response is obtained by finite differencing of the displacement.
然后根据模态参数计算叶片对气动激励的位移响应，并通过对位移响应的有限差分计算应力响应。
Displacement response to aerodynamic excitation is calculated based on the modal parameters and stress response is obtained by finite differencing of the displacement.
然后根据模态参数计算叶片对气动激励的位移响应，并通过对位移响应的有限差分计算应力响应。
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