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首页> 外文期刊>International Journal of Offshore and Polar Engineering >Numerical Studies of Green Water Impact on Fixed and Moving Bodies
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Numerical Studies of Green Water Impact on Fixed and Moving Bodies

机译：绿水对固定和移动物体影响的数值研究

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摘要

A numerical time domain simulation model has been developed to study green water phenomena and its impact loading on structures. In this model, a volume-of-fluid (VOF) technique is used to capture the violent free-surface motion. The incompressible Euler/Navier-Stokes equations, written in an arbitrary Lagrangian-Eulerian (ALE) frame, are solved using projection schemes and a finite element method on unstructured grids. Numerical simulations of green water problems carried out in this study include: green water overtopping a fixed 2D deck; green water impact on a fixed 3D body with or without a vertical wall on the deck; and green water impact on the deck and deckhouse of a moving floating production, storage and offloading (FPSO) model. Numerical results obtained using the present model are compared with experimental measurements for each case; and very good qualitative and relatively good quantitative agreements are obtained. The present numerical model can be used for simulating green water effects.
机译：已经开发了一个数值时域仿真模型来研究绿色水现象及其对结构的影响。在此模型中，使用流体体积（VOF）技术来捕获剧烈的自由表面运动。在非结构化网格上使用投影方案和有限元方法求解了用任意拉格朗日-欧拉（ALE）框架编写的不可压缩的Euler / Navier-Stokes方程。这项研究中进行的绿水问题的数值模拟包括：绿水覆盖固定的2D甲板；绿水撞击固定的3D实体，无论甲板上是否有垂直墙；以及绿色水对移动式浮动生产，存储和卸载（FPSO）模型的甲板和甲板室的影响。使用本模型获得的数值结果与每种情况下的实验测量结果进行比较；并获得了非常好的定性和相对好的定量协议。本数值模型可用于模拟绿水效应。

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