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首页> 外文期刊>Journal of Engineering Mechanics >Propagation of long water waves through branching channels
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Propagation of long water waves through branching channels

机译：长水波通过分支通道的传播

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This paper investigates the fundamental behavior of long water waves propagating through branching channels of uniform depth and width. Numerical simulations based on the Boussinesq long wave model were carried out to investigate the effects of channel width b. effective wavelength lambda(e), wave amplitude alpha, and angle theta between channel branches on wave transmission and reflection. Our results showed that the transmission and reflection of long waves through branching channels are dominantly governed by a single dimensionless parameter b/lambda(e), whereas other parameters such as the angle between channel branches are less important. Detailed quantitative results for predicting long wave transmission and reflection in different branching channels based on the similarity parameter b/lambda(e) were determined. From these results, we have discovered some very interesting and distinct long wave behaviors in narrow and wide branching channels. To verify the numerical results, experiments were conducted in a right-angled branching channel, and the experimental results showed good agreement with the numerical predictions.
机译：本文研究了通过均匀深度和宽度的分支通道传播的长水波的基本行为。基于Boussinesq长波模型进行了数值模拟，以研究通道宽度b的影响。有效波长λ（e），波振幅α和波透射和反射时通道分支之间的角度θ。我们的结果表明，长波通过分支通道的传输和反射主要由单个无量纲参数b / lambda（e）控制，而其他参数（如通道分支之间的角度）则不太重要。确定了基于相似性参数b / lambda（e）预测不同分支通道中长波透射和反射的详细定量结果。从这些结果中，我们发现了在狭窄和较宽的分支通道中一些非常有趣且独特的长波行为。为了验证数值结果，在直角分支通道上进行了实验，实验结果与数值预测吻合良好。

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