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首页> 外文期刊>International Journal of Naval Architecture and Ocean Engineering >Numerical analysis for hydrodynamic interaction effects between vessel and semi-circle bank wall
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Numerical analysis for hydrodynamic interaction effects between vessel and semi-circle bank wall

机译：船舶与半圆形堤岸水动力相互作用数值分析

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摘要

The hydrodynamic interaction forces and moments induced by the vicinity of bank on a passing vessel are known as wall effects. In this paper, the characteristics of interaction acting on a passing vessel in the proximity of a semi-circle bank wall are described and illustrated, and the effects of ship velocity, water depth and the lateral distance between vessel and semi-circle bank wall are discussed. For spacing between ship and semi-circle bank wall (SP) less than about 0.2 L and depth to ship’s draft ratio (h/d) less than around 2.0, the ship-bank interaction effects increase steeply as h/d decreases. However, for spacing between ship and semi-circle bank wall (SP) more than about 0.3 L, the ship-bank interaction effects increase slowly as h/d decreases, regardless of the water depth. Also, for spacing between ship and semi-circle bank wall (SP) less than about 0.2 L, the hydrodynamic interaction effects acting on large vessel increase largely as ship velocity increases. In the meantime, for spacing between ship and semi-circle bank wall (SP) more than 0.3 L, the interaction effects increase slowly as ship velocity increases.
机译：由过往船只上堤岸附近引起的水动力相互作用力和力矩称为壁效应。本文描述并举例说明了作用在半圆形堤壁附近的通过船只上的相互作用的特征，并讨论了船速，水深以及船只与半圆形堤壁之间的横向距离的影响。讨论过。当船与半圆堤壁之间的间距小于约0.2 L，且船对吃水深度的比值h / d小于约2.0时，随着h / d的减小，船岸相互作用的影响将急剧增加。但是，对于船与半圆堤（SP）之间的间距大于约0.3 L的情况，无论水深如何，随着h / d的减小，船堤相互作用的影响会缓慢增加。同样，对于船与半圆堤（SP）之间的间距小于约0.2 L的情况，作用于大型船的水动力相互作用效应随船速的增加而大大增加。同时，当船舶与半圆堤（SP）之间的间距大于0.3 L时，相互作用的影响随着船舶速度的增加而缓慢增加。

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