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| 1 | Numerical Simulation of Wave Field near Submerged Bars by PLIC-VOF Model显示文摘Investigating the wave field near structures in coastal and offshore engineering is of increasing significance. In the present study, simulation is done of the wave profile and flow field for waves propagating over submerged bars, using PLIC-VOF (Piecewise Linear Interface Construction) to trace the free surface of wave and finite difference method to solve vertical 2D Navier-Stokes (N-S) equations. A comparison of the numerical results for two kinds of submerged bars with the experimental ones shows that the PLIC-VOF model used in this study is effective and can compute the wave field precisely. | 刘诚 刘晓平 蒋昌波 | 2005 | China Ocean Engineering2005，19，3： | 9 |
| 2 | 基于相平均方法的折射绕射联合波浪模型显示文摘近岸带波浪运动的研究具有很重要的工程意义,近年来已获得了较丰硕的研究成果并发展了许多波浪模型,而基于不同理论的波浪模型往往具有特定的适用性.在海岸工程中应用比较广泛的一类波浪模型以波能(波作用量)守恒为基本依据,如SWAN模型.该类模型在实际工程中已经得到了大量的应用,但该类模型未计及波浪绕射效应,成为其突出的缺陷之一.如何对模型做适当的改进,使之适用于波浪绕射的模拟,从而在原有基础上拓广模型的应用范围是一项具有实际意义的研究工作.该文采用波能(波作用量)守恒方程描述近岸带波浪运动,通过引入绕射因子,得到折射、绕射联合波浪模型,从而拓广了模型的应用范围.通过实际算例验证,表明所建立的模型计及了波浪折射、绕射作用,对相平均波浪模型在波浪绕射效应模拟方面的改进具有一定的意义. | 张景新 刘桦 | 2007 | 力学学报2007，39，5： | 4 |
| 3 | A nonlinear RDF model for waves propagating in shallow water显示文摘In this paper, a composite explicit nonlinear dispersion relation is presented with reference to Stokes 2nd order dispersion relation and the empirical relation of Hedges. The explicit dispersion relation has such advantages that it can smoothly match the Stokes relation in deep and intermediate water and Hedgs’s relation in shallow water. As an explicit formula, it separates the nonlinear term from the linear dispersion relation. Therefore it is convenient to obtain the numerical solution of nonlinear dispersion relation. The present formula is combined with the modified mild-slope equation including nonlinear effect to make a Refraction-Diffraction (RDF) model for wave propagating in shallow water. This nonlinear model is verified over a complicated topography with two submerged elliptical shoals resting on a slope beach. The computation results compared with those obtained from linear model show that at present the nonlinear RDF model can predict the nonlinear characteristics and the combined | 王厚杰 杨作升 李瑞杰 张军 | 2001 | Science China Chemistry2001，44，S1： | 1 |
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