A Study on Kinematics Characteristics of Freak Wavt
Based on the 3rd-order Stokes wave theory, the speed of freak waves is formulated in terms of the period and the wave height. Finite modified wave steepness gives rise to a significant enhancement of the nonlinear contributions to the freak wave speed in comparison with the 3rd-order Stokes wave the...
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| Veröffentlicht in: | 中国海洋工程：英文版 2013, Vol.27 (3), p.391-402 |
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| container_title | 中国海洋工程：英文版 |
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| creator | 崔成 张宁川 左书华 房卓 |
| description | Based on the 3rd-order Stokes wave theory, the speed of freak waves is formulated in terms of the period and the wave height. Finite modified wave steepness gives rise to a significant enhancement of the nonlinear contributions to the freak wave speed in comparison with the 3rd-order Stokes wave theory. For a fix modified wave steepness, the estimated amplification of the nonlinear contributions due to the deviation from the 3rd-order Stokes wave theory is 0.22-0.99. In addition, the velocity and acceleration fields are also documented in detail. In the present simulation, the horizontal velocities are smaller than the wave speed, and the freak wave exhibits a maximal horizontal velocity up to 37% of the wave speed and a maximal vertical acceleration up to about 20% of the gravitational acceleration. |
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Finite modified wave steepness gives rise to a significant enhancement of the nonlinear contributions to the freak wave speed in comparison with the 3rd-order Stokes wave theory. For a fix modified wave steepness, the estimated amplification of the nonlinear contributions due to the deviation from the 3rd-order Stokes wave theory is 0.22-0.99. In addition, the velocity and acceleration fields are also documented in detail. 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In the present simulation, the horizontal velocities are smaller than the wave speed, and the freak wave exhibits a maximal horizontal velocity up to 37% of the wave speed and a maximal vertical acceleration up to about 20% of the gravitational acceleration.</description><subject>Stokes波</subject><subject>垂直加速度</subject><subject>水平速度</subject><subject>畸形波</subject><subject>英雄</subject><subject>运动学特征</subject><subject>速度比</subject><subject>重力加速度</subject><issn>0890-5487</issn><issn>2191-8945</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><recordid>eNpjYuA0MrQ01LWwNDFlYeA0sLA00DU1sTDnYOAqLs4yMDA1NDUx5GQwdlQILilNqVTIz1PwzsxLzU0syUwuVnDOSCxKTC5JLcosBvPz0xTcilITsxXCE8tKeBhY0xJzilN5oTQ3g6Kba4izh25yRn5eemFmXnp8QVFmbmJRZbyJmZGhkYmZhTExagDgYTPD</recordid><startdate>2013</startdate><enddate>2013</enddate><creator>崔成 张宁川 左书华 房卓</creator><scope>2RA</scope><scope>92L</scope><scope>CQIGP</scope><scope>W94</scope><scope>~WA</scope></search><sort><creationdate>2013</creationdate><title>A Study on Kinematics Characteristics of Freak Wavt</title><author>崔成 张宁川 左书华 房卓</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-chongqing_primary_462124683</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2013</creationdate><topic>Stokes波</topic><topic>垂直加速度</topic><topic>水平速度</topic><topic>畸形波</topic><topic>英雄</topic><topic>运动学特征</topic><topic>速度比</topic><topic>重力加速度</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>崔成 张宁川 左书华 房卓</creatorcontrib><collection>中文科技期刊数据库</collection><collection>中文科技期刊数据库-CALIS站点</collection><collection>中文科技期刊数据库-7.0平台</collection><collection>中文科技期刊数据库-自然科学</collection><collection>中文科技期刊数据库- 镜像站点</collection><jtitle>中国海洋工程：英文版</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>崔成 张宁川 左书华 房卓</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A Study on Kinematics Characteristics of Freak Wavt</atitle><jtitle>中国海洋工程：英文版</jtitle><addtitle>China Ocean Engineering</addtitle><date>2013</date><risdate>2013</risdate><volume>27</volume><issue>3</issue><spage>391</spage><epage>402</epage><pages>391-402</pages><issn>0890-5487</issn><eissn>2191-8945</eissn><abstract>Based on the 3rd-order Stokes wave theory, the speed of freak waves is formulated in terms of the period and the wave height. Finite modified wave steepness gives rise to a significant enhancement of the nonlinear contributions to the freak wave speed in comparison with the 3rd-order Stokes wave theory. For a fix modified wave steepness, the estimated amplification of the nonlinear contributions due to the deviation from the 3rd-order Stokes wave theory is 0.22-0.99. In addition, the velocity and acceleration fields are also documented in detail. In the present simulation, the horizontal velocities are smaller than the wave speed, and the freak wave exhibits a maximal horizontal velocity up to 37% of the wave speed and a maximal vertical acceleration up to about 20% of the gravitational acceleration.</abstract></addata></record> |
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| source | Alma/SFX Local Collection; SpringerLink Journals - AutoHoldings |
| subjects | Stokes波 垂直加速度 水平速度 畸形波 英雄 运动学特征 速度比 重力加速度 |
| title | A Study on Kinematics Characteristics of Freak Wavt |
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