Three-dimensional numerical wave tank containing submerged breakwaters based on the localized method of fundamental solutions

IF 5.4 3区材料科学 Q2 CHEMISTRY, PHYSICAL ACS Applied Energy Materials Pub Date : 2024-10-10 DOI:10.1016/j.matcom.2024.10.005

Lanlan Li , Zhuojia Fu , Ming Qin , Shuainan Liu , Weihong Zeng , Xiaoting Liu

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Abstract

This paper presents a meshless computational framework to simulate nonlinear water wave propagation behaviors of three-dimensional (3D) numerical wave tank containing submerged trapezoidal breakwaters. In the present computational framework, the localized method of fundamental solutions (LMFS) is used to spatial discretization, which is a localized meshless collocation method based on fundamental solutions and moving least square (MLS) technique, and fourth-order predictor-corrector scheme is used to temporal discretization. 3D numerical wave tanks containing single submerged trapezoidal breakwater and double submerged trapezoidal breakwaters are established by using LMFS. The LMFS results are compared with analytical results and experimental data through benchmarks. The effects of variations in incident wave parameters and shape parameters of the submerged trapezoidal breakwater on wave propagation are further analyzed. Additionally, the influence of double submerged trapezoidal breakwaters on the nonlinear water wave propagation behavior is investigated in comparison with the single submerged trapezoidal breakwater. Moreover, the effect of breakwater orientation on wave propagation is presented.

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基于局部基本解法的包含水下防波堤的三维数值波浪槽

本文提出了一种无网格计算框架，用于模拟包含水下梯形防波堤的三维（3D）数值波浪槽的非线性水波传播行为。在本计算框架中，空间离散采用局部基本解法（LMFS），这是一种基于基本解和移动最小平方（MLS）技术的局部无网格配位方法；时间离散采用四阶预测-校正方案。利用 LMFS 建立了包含单水下梯形防波堤和双水下梯形防波堤的三维数值波浪槽。将 LMFS 结果与分析结果和基准实验数据进行了比较。还进一步分析了入射波参数和浸没式梯形防波堤形状参数的变化对波传播的影响。此外，与单层水下梯形防波堤相比，研究了双层水下梯形防波堤对非线性水波传播行为的影响。此外，还介绍了防波堤方向对波浪传播的影响。

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来源期刊

ACS Applied Energy Materials Materials Science-Materials Chemistry

CiteScore

10.30

自引率

6.20%

发文量

1368

期刊介绍： ACS Applied Energy Materials is an interdisciplinary journal publishing original research covering all aspects of materials, engineering, chemistry, physics and biology relevant to energy conversion and storage. The journal is devoted to reports of new and original experimental and theoretical research of an applied nature that integrate knowledge in the areas of materials, engineering, physics, bioscience, and chemistry into important energy applications.