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波浪辐射应力对潮流的影响 被引量:6

Effect of wave radiation stresses on tidal current
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摘要 利用考虑能量损失的抛物型缓坡方程计算大区域的波浪辐射应力,作为附加项添加到深度平均的二维潮流方程中,从而研究长时间波浪作用对于潮流的影响.数值试验表明,波浪在长时间作用后,波浪辐射应力对潮位的影响很小,可以忽略不计,但是对潮流流速有比较大的影响,尤其是在波浪破碎的情况下,在潮流流速计算中必须加以考虑. The long-time effect of wave radiation stresses on tidal current is studied by adding stresses terms in 2D depth-averaged tidal model. The wave radiation stresses in large domain are obtained by solving parabolic mild slope equation considering energy loss for wave parameters. The numerical results show that after long-time wave effect, the wave radiation stresses have little effect on tidal elevation, so it could be ignored; but they have a significant effect on tidal current, especially when waves break, so it should be calculated.
出处 《大连理工大学学报》 EI CAS CSCD 北大核心 2006年第5期730-734,共5页 Journal of Dalian University of Technology
基金 辽宁省自然科学基金资助项目(20032115)
关键词 潮流模型 波浪作用 辐射应力 tidal current model wave effect radiation stress
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参考文献9

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