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学科主题: Engineering, Civil; Engineering, Ocean; Engineering, Mechanical; Water Resources
题名: Numerical calculation for nonlinear waves in water of arbitrarily varying depth with Boussinesq equations
作者: Zhu, LS ; Hong, GW
通讯作者: Zhu, LS, Chinese Acad Sci, S China Sea Inst Oceanol, Guangzhou 510301, Peoples R China
关键词: nonlinear wave ; Boussinesq equation ; arbitrarily varying depth ; numerical calculation
刊名: CHINA OCEAN ENGINEERING
发表日期: 2001
卷: 15, 期:3, 页:355-369
收录类别: sci
部门归属: Chinese Acad Sci, S China Sea Inst Oceanol, Guangzhou 510301, Peoples R China; Hohai Univ, Coastal & Ocean Engn Res Inst, Nanjing 210098, Peoples R China
项目归属: 海洋地质
摘要: Based on the high order nonlinear and dispersive wave equation with a dissipative term, a numerical model for nonlinear waves is developed, It is suitable to calculate wave propagation in water areas with an arbitrarily varying bottom slope and a relative depth h/L(0)less than or equal to1. By the application of the completely implicit stagger grid and central difference algorithm, discrete governing equations are obtained. Although the central difference algorithm of second-order accuracy both in time and space domains is used to yield the difference equations, the order of truncation error in the difference equation is the same as that of the third-order derivatives of the Boussinesq equation. In this paper, the correction to the first-order derivative is made, and the accuracy of the difference equation is improved. The verifications of accuracy show that the results of the numerical model are in good agreement with those of analytical Solutions and physical models.
原文出处: 查看原文
WOS记录号: WOS:000172314700004
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内容类型: 期刊论文
URI标识: http://ir.scsio.ac.cn/handle/344004/4690
Appears in Collections:中科院边缘海地质重点实验室_期刊论文

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Recommended Citation:
Zhu, LS; Hong, GW.Numerical calculation for nonlinear waves in water of arbitrarily varying depth with Boussinesq equations,CHINA OCEAN ENGINEERING,2001,15(3):355-369
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