对于转子系统非线性动力学问题，直接积分法比模态叠加法更为有效。

With regard to the nonlinear kinetics problems of a rotor system the direct integration method is more effective than the modality superposition method.

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本文将弹性静力学中的应力函数张量概念直接推广到连续介质动力学问题中，给出了动力应力函数张量的一般表达式。

This paper generalizes the concept of stress function tensor in static elasticity into the more general case of continuum dynamics .

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横摇动力学是两栖作战武器的一个重要研究内容，横摇是两栖作战武器在通过内陆江河水系和抢滩登陆作战中存在的重要问题，它直接影响着乘员和装备的战斗力发挥。

It is well know that roll motion of amphibious combat weapon in regular wave will severely affect the battle effectiveness of crew in the amphibious combat weapon and the fire accuracy.

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