垂向运动 catenary motion; vertical motion 单向运动 directed movement; unidirectional movement; unilateral movement ..
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本文给出了一个预报波浪诱导的船舶垂向运动和结构总体动响应的非线性时域水弹性力学微分分析法。
This paper presents a nonlinear hydroelastic differential analysis method of wave-induced vertical motions and structural responses of ships.
通过对描述沙粒垂向运动速度脉动分量的随机微分方程的直接求解，获得了风沙流中沙粒运动的随机轨迹。
Stochastic sand trajectories in wind-blown sand were obtained by solving the differential equation which describes the vertical fluctuating velocity of sand grains.
并且进一步计算船舶的垂向和横向加速度以及摇荡运动的统计特性。
Finally the vertical and transverse accelerations and the statistic characteristics of the vessel swing are calculated.
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