Based on the coupled dynamic model for the spatial rotation and elastic vibration of a body, the resonance unstability of projectiles in flight is studied in the paper.
从弹箭空间摆动和弹性振动耦合的动力学模型出发，对弹箭飞行过程中的共振不稳定性问题进行了研究。
The present paper studies the dynamic response of the foundation of vibration table, using a simplified mechanical model of coupled horizontal and rocking vibration of embedded footing.
本文应用埋入基础的水平与摇摆耦联振动的简化力学模型，分析了振动台基础的动力反应。
A subspace perturbation method for structural dynamic modification of several groups of coupled-modes vibration systems is studied.
本文研究了多组耦合模态结构动力学参数修改的子空间摄动法。
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