Establishment of 3D numerical wave flume and its application to the wave propagation based on SPH method

被引:1
作者
Yang, Xi [1 ]
Liang, Guangqi [3 ]
Hu, Taian [4 ]
Zhang, Guiyong [1 ,2 ]
Zhang, Zhifan [1 ]
机构
[1] Dalian Univ Technol, Sch Naval Architecture, State Key Lab Struct Anal Optimizat & CAE Software, Dalian 116024, Peoples R China
[2] Collaborat Innovat Ctr Adv Ship & Deep Sea Explora, Shanghai 200240, Peoples R China
[3] Sun Yat Sen Univ, Sch Ocean Engn & Technol, Zhuhai 519082, Peoples R China
[4] Marine Design & Res Inst China, Shanghai 200023, Peoples R China
基金
中国国家自然科学基金;
关键词
SPH; Wave propagation; 3D numerical wave tank; GPU computation; SMOOTHED PARTICLE HYDRODYNAMICS; NONLINEAR WATER-WAVES; ELEMENT-METHOD; GENERATION; SIMULATION; PERFORMANCE; TANK; ABSORPTION; PREDICTION; IMPACT;
D O I
10.1016/j.oceaneng.2024.119460
中图分类号
U6 [水路运输]; P75 [海洋工程];
学科分类号
0814 ; 081505 ; 0824 ; 082401 ;
摘要
Waves serve as the fundamental and pervasive driving force in the ocean. The interactions between marine structures and waves have consistently occupied a pivotal position in the field of ocean engineering. In this work, a three-dimensional (3D) numerical wave flume is constructed based on the smoothed particle hydrodynamics (SPH) as a complement to the physical tank to study wave propagation. A modified symmetric pressure gradient operator is employed to guarantee momentum conservation and surmount the dissipation. A 3D SPH procedure based on the GPU is developed, and a sponge layer is incorporated to reduce the computational resources while enhancing the computational efficiency. The developed 3D numerical wave tank successfully simulates the problems of regular wave propagation (first-order regular wave, second-order stokes wave), irregular wave propagation (solitary wave, freak wave), and wave-structure interaction (first-order regular wave passes breakwater, second-order stokes wave passes breakwater). The numerical results are in good agreement with the reference solutions, indicating that the current method is an effective and reliable approach for simulating complex wave problems.
引用
收藏
页数:24
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