恒定水深船舶数值波流水池构造研究

推进技术 ›› 2018, Vol. 39 ›› Issue (8): 1880-1888.

恒定水深船舶数值波流水池构造研究

封星^1,2,吴宛青^1,2,杨晓³

大连海事大学轮机工程学院，辽宁大连 116026 ; 辽宁省重点实验室-船舶安全与污染控制技术研究中心，辽宁大连 116026,大连海事大学轮机工程学院，辽宁大连 116026 ; 辽宁省重点实验室-船舶安全与污染控制技术研究中心，辽宁大连 116026,大连海事大学航海学院，辽宁大连 116026

发布日期:2021-08-15
基金资助:
国家自然科学基金(51409032；51409031)；中央科研业务费资助项目(3132017006；3132016314)。

Study on Establishment of Ship Viscous Numerical Wave and Current Tank with Constant Water Depth

Marine Engineering College，Dalian Maritime University，Dalian 116026，China;Key Laboratory of Liaoning Province-Ship Security and Pollution Prevention Technology Research Center，Dalian 116026，China,Marine Engineering College，Dalian Maritime University，Dalian 116026，China;Key Laboratory of Liaoning Province-Ship Security and Pollution Prevention Technology Research Center，Dalian 116026，China and Department of Navigation，Dalian Maritime University，Dalian 116026，China

Published:2021-08-15

摘要/Abstract

摘要： 为研究船舶推进过程中波流相互作用问题，基于不可压缩黏性流N-S方程，采用质量源和动量源方法，建立了恒定水深黏性流船舶数值波流水池，对波流相互作用时流场变化及波形变化进行了研究。通过在水池两端设定稳定入口速度实现水池区域均匀流的生成，同时在水池中间指定区域内添加质量源生成目标波，依靠VOF方法实现自由液面的精确捕捉。模拟的不同工况下波面与速度分布情况与理论结果吻合良好，表明建立的黏性流船舶数值波流水池可以进行波流相互作用数值模拟，并进一步定量分析了水流对波浪参数的影响以及孤立波流相互作用问题。

关键词: 数值波流水池；质量源造波法；波流作用；VOF方法

Abstract: Concerning the problem of wave-current interaction for ship propulsion， a ship viscous numerical wave and current tank with constant water depth is established based on the Navier-Stokes equations for viscous， incompressible fluid and the mass-source wave generation method and the momentum-source wave absorption method. The variation of the flow field and the wave profile during wave-current interaction is studied. The uniform current generation is achieved by imposing a steady inlet velocity on both the left and right boundaries， while the target wave is generated by adding the mass-source term to the specified domain， and the VOF method is used to accurately capture the water free surface. The numerical results of the water surface profile and velocity distribution under different wave and current conditions agree well with the theoretical results， indicating that the model established here has abilities in simulating the wave-current interactions. Based on the numerical model established here， the ship viscous numerical wave and current tank with constant water depth is developed， and the effects of current velocity on wave and the solitary wave-current interactions are investigated quantitatively.

Key words: Numerical wave and current tank；Mass-source wave maker；Wave-current interaction；VOF method

封星,吴宛青,杨晓. 恒定水深船舶数值波流水池构造研究[J]. 推进技术, 2018, 39(8): 1880-1888.

FENG Xing^1,2,WU Wan-qing^1,2,YANG Xiao³. Study on Establishment of Ship Viscous Numerical Wave and Current Tank with Constant Water Depth[J]. Journal of Propulsion Technology, 2018, 39(8): 1880-1888.

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