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首页> 外文会议>International Conference on Offshore Mechanics and Arctic Engineering, Jun 23-28, 2002, Oslo, Norway >THE DIRECTIONAL CHARACTERISTICS OF BREAKING WAVES GENERATED BY THE DIRECTIONAL FOCUSING IN A WAVE BASIN
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THE DIRECTIONAL CHARACTERISTICS OF BREAKING WAVES GENERATED BY THE DIRECTIONAL FOCUSING IN A WAVE BASIN

机译：波浪盆地中方向性聚焦产生的破碎波的方向性

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摘要

A directional wave focusing is formulated and applied to generate three-dimensional breaking waves in multidirectional wave basin. Based on the theoretical development, an experimental scheme for the generation of directional breaking waves in model basin is established. The characteristics of breaking waves are analyzed in a view of focusing efficiency and the effects of associated parameters, such as the directional range, frequency width and center frequency, on the wave focusing are studied in detail. An experimental investigation of the maximum amplitude distribution, the evolution of time series and spectrums during the wave packet propagation, and the variation of the water surface parameters is extensively carried out. It reveals that the focusing wave characteristics are significantly influenced by the wave directionality and the breaking criteria for directional waves are distinctly different from those for unidirectional waves.
机译：提出了定向波聚焦方法，并将其应用于在多向波盆中产生三维破碎波。在理论发展的基础上，建立了模型盆地定向破裂波产生的实验方案。从聚焦效率的角度分析了破碎波的特性，并详细研究了相关参数如方向范围，频率宽度和中心频率对聚焦的影响。在波包传播过程中，对最大振幅分布，时间序列和频谱的演化以及水面参数的变化进行了广泛的实验研究。结果表明，聚焦波特性受到波方向性的显着影响，方向波的破坏准则与单向波的破坏准则明显不同。

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