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首页> 外文期刊>International journal of crashworthiness >Numerical simulation of fluid-structure interaction of liquid cargo filled tank during ship collision using the ALE finite element method
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Numerical simulation of fluid-structure interaction of liquid cargo filled tank during ship collision using the ALE finite element method

机译：用ALE有限元法数值模拟液体填充液舱在船舶碰撞过程中的流固相互作用。

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摘要

Ships carrying liquid cargo are sometimes unavoidably struck by other vessels. Since the outflow of crude oil will have very serious consequences on the environment, it is necessary to accurately evaluate fluid-structure interaction of liquid cargo filled tank. The arbitrary Lagrangian—Eulerian (ALE) finite element method solves the transient equations of motion of the fluid and structure using the explicit time integration method and is suitable to analyse highly dynamic, highly non-linear phenomena lasting for a short time. The ALE finite element method is validated by the hydrodynamic impact of drop box experiment. A numerical simulation procedure for a ship collision between a 72,000 tons container ship and a crude oil cargo tank of a 293,000 tons double hull VLCC taking account of the fluid-structure interaction is presented. The numerical simulation results reveal that the fluid-structure interaction of liquid cargo filled tank has a remarkable effect on the motion and structural response of the struck cargo tank.
机译：运送液体货物的船有时会不可避免地被其他船只撞到。由于原油的流出将对环境造成非常严重的影响，因此有必要准确地评估液货舱的流固耦合。任意拉格朗日—欧拉（ALE）有限元方法使用显式时间积分方法求解流体和结构的瞬态运动方程，适用于分析持续时间很短的高动态，高非线性现象。 ALE有限元方法通过投料箱实验的水动力影响进行了验证。提出了考虑到流固耦合的72,000吨集装箱船与293,000吨双壳VLCC原油货舱之间发生船舶碰撞的数值模拟程序。数值模拟结果表明，液货舱的流固耦合对撞击货舱的运动和结构响应有显着影响。

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