可控振动圆柱对波传播影响的数值模拟

Q4 Mathematics

水动力学研究与进展A辑 Pub Date : 2012-01-01 DOI:10.3969/J.ISSN1000-4874.2012.01.016

J. Zhan, Yi Han, Y. Li, W. Su

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引用次数: 0

摘要

本文给出了用数值模型模拟受控振动圆柱对波传播影响的一些结果。数值模型采用了流体体积法、不可压缩Navier-Stokes方程和RNG湍流闭包模型。首先通过与势理论的计算结果对比，验证了该模型的有效性。两组结果吻合得很好。然后将圆柱体设置成与入射波频率相同但相位角不同的振荡状态。计算了圆柱在不同相位角下振动时的自由表面轮廓。结果表明，该模型能够模拟具有强非线性流固耦合作用的非定常自由表面流动。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Numerical simulation of effect on wave propagation by controlled vibrating cylinder

This paper presents some results from a numerical model for simulating the effect on wave propagation by a controlled vibrating cylinder.The volume of fluid(VOF) technique coupled with the incompressible Navier-Stokes equations and RNG turbulence closure model are used in the numerical model.The model is first validated by comparing the computed results with those from potential theory for the case of wave diffraction around a stationary cylinder.The two sets of results are in good agreement with each other.The cylinder is then set into oscillation in the same frequency of the incoming wave,but at different phase angles.The free surface profiles near the cylinder vibrating at different phase angles are computed.The results demonstrate that the proposed model is capable of simulating unsteady free surface flows with strong nonlinear fluid-structure interactions.

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来源期刊

水动力学研究与进展A辑 Engineering-Computational Mechanics

CiteScore

0.60

自引率

0.00%

发文量

3709

审稿时长

4.5 months

期刊介绍： The Journal of Hydrodynamics reflects the research activities in various areas of hydrodynamics related to ocean and ship engineering, environmental engineering, water conservancy and hydropower engineering, energy exploration, ocean and environmental engineering, and chemical engineering. These cover ship hydrodynamics, wave load and fluid-solid interactions, turbulence and boundary layer, cavitating flow and cavitation mechanics, multi-phase flow, pipe flow and open ditch flow, convection and diffusion, heat and mass transfer, bio-fluid mechanics, permeation fluid mechanics and other frontier disciplines.