Abstract
A series of laboratory experiments have been carried out to investigate nonlinear long wave propagation over a fine gravel bed, in which water surface elevation, shear flow inside the bottom boundary layer and excess pore pressures are measured to study the hydrodynamics in the water layer and the soil dynamics within the seabed, respectively. Analysis of the experimental results indicates that the nonlinearity has significant effects on the distribution of wave-induced pore pressure within the gravel bed and the free surface profile along the propagation direction. Traditional nonlinear wave theories should be modified to consider the wave energy dissipation within the seabed and bottom boundary layer.
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Acknowledgements
The authors are grateful for the support from the National Science Fund for Distinguished Young Scholars (Grant No. 51425901), the National Key Research and Development Program of China (2017YFC1404200), and the 111 Project (Grant No. B12032).
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Tong, L.L., Zheng, J.H., Zhang, J.S., Qian, F.S. (2020). Experimental Study of Nonlinear Long Wave Propogation Over a Fine Gravel Bed. In: Trung Viet, N., Xiping, D., Thanh Tung, T. (eds) APAC 2019. APAC 2019. Springer, Singapore. https://doi.org/10.1007/978-981-15-0291-0_10
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DOI: https://doi.org/10.1007/978-981-15-0291-0_10
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