考虑了横向扰动速度与电磁场扰动的耦合。

The coupling between the transverse velocity and electromagnetic perturbation is considered.

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求解扰动速度幅值的演化规律，是流动稳定性非线性理论的关键问题之一。

One of the key problems in the nonlinear theory of the hydrodynamic stability is to determine the law of the evolution of the disturbance velocity amplitude.

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本文建立了扰动速度势面元法预报螺旋桨表面非定常压力分布的理论和数值方法。

This paper sets the theoretical and numerical method predicting the unsteady pressure distribution on the propeller blade surface by using perturbation potential based on surface panel method.

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