可渗透型结构的非线性水波绕射作用问题  

Problems of Diffracting Effects of Nonlinear Water Waves on Porous Structures

作　　者：黄华[1] 詹杰民[1] 

机构地区：[1]中山大学应用力学与工程系,广东广州510275

出　　处：《中山大学学报（自然科学版）》2006年第1期25-28,共4页Acta Scientiarum Naturalium Universitatis Sunyatseni

基　　金：国家自然科学基金资助项目(10272118)

摘　　要：含孔型结构的可渗透性具有对波浪的减弱效应,研究非线性波对该类结构的绕射作用机制有重要意义。分析了椭圆余弦波、孤立波以及STOKES二阶波对可渗透圆柱群结构的波绕射问题,给出了各类波对结构的绕射势解及STOKES二阶波对结构绕射作用的积分解式。Porous structures are considered to have the property of diminishing wave loads. It is important to study the diffracting effects of water waves, especially nonlinear waves, on the structures like this. The problems of diffraction on porous multiple vertical cylinders by nonlinear water waves , such as cnoidal wave , solitary wave and second order Stokes wave, are analyzed. The analytical solutions are derived to determine wave potentials caused by cnoidal wave and solitary wave and the integral expressions are presented to estimate second order Stokes diffracting wave forces on an array of porous vertical cylinders.

关 键 词：含孔结构 椭圆余弦波 孤立波 Stokes二阶波 绕射 散射 波浪作用 

分 类 号：O353[理学—流体力学]