考虑非线性阻尼、非线性复原力矩和随机波浪，建立了随机横浪中船舶运动的随机非线性微分方程。
The random nonlinear differential equation of ship's motion is established considering the nonlinear damping, nonlinear recover moment and random waves.
本文的主要目的是研究非线性波浪载荷作用下多种应力成份组合的船体结构疲劳损伤计算。
The major purpose of this thesis is to do some research work on calculation of fatigue damage of ship hull structures with combined bending stress under nonlinear wave loads.
研究了铰接塔平台在波浪和海流作用下的非线性动力特性。
The nonlinear dynamics characteristic of articulated tower platform (ATP) subjected to waves and current loads is studied.
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