Self-focusing dynamics of patches of ripples | |
Milewski PA; Wang Z(王展); Wang, Z (reprint author), Chinese Acad Sci, Inst Mech, Key Lab Mech Fluid Solid Coupling Syst, Beijing 100190, Peoples R China. | |
会议录名称 | PHYSICA D-NONLINEAR PHENOMENA |
2016 | |
会议名称 | Workshop on Dispersive Hydrodynamics - The Mathematics of Dispersive Shock Waves and Applications |
会议日期 | MAY 17-22, 2015 |
会议地点 | Banff Int Res Station, Banff, CANADA |
摘要 | The dynamics of focussing of extended patches of nonlinear capillary gravity waves within the primitive fluid dynamic equations is presented. It is found that, when the envelope has certain properties, the patch focusses initially in accordance to predictions from nonlinear Schrodinger equation, and focussing can concentrate energy to the vicinity of a point or a curve on the fluid surface. After initial focussing, other effects dominate and the patch breaks up into a complex set of localised structures lumps and breathers - plus dispersive radiation. We perform simulations both in the inviscid regime and for small viscosities. Lastly we discuss throughout the similarities and differences between the dynamics of ripple patches and self-focussing light beams. (C) 2016 The Authors. Published by Elsevier B.V. |
关键词 | Ripples Focussing Wavepackets Nonlinear Schrodinger-equation Capillary Solitary Waves Water-waves Gravity Flows Evolution Beams |
WOS记录号 | WOS:000381534400017 |
课题组名称 | LMFS水环境流体力学(LEM) |
URL | 查看原文 |
收录类别 | CPCI-S |
语种 | 英语 |
引用统计 | |
文献类型 | 会议论文 |
条目标识符 | http://dspace.imech.ac.cn/handle/311007/60179 |
专题 | 流固耦合系统力学重点实验室 |
通讯作者 | Wang, Z (reprint author), Chinese Acad Sci, Inst Mech, Key Lab Mech Fluid Solid Coupling Syst, Beijing 100190, Peoples R China. |
推荐引用方式 GB/T 7714 | Milewski PA,Wang Z,Wang, Z . Self-focusing dynamics of patches of ripples[C]PHYSICA D-NONLINEAR PHENOMENA,2016. |
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文件名称/大小 | 文献类型 | 版本类型 | 开放类型 | 使用许可 | ||
Cp2016-003.pdf(2298KB) | 会议论文 | 开放获取 | CC BY-NC-SA | 浏览 下载 |
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