Interaction of Tsunami Waves with Sloping Structures

Maximov V. V., Nudner I. S., Lebedev V. V., Semenov K. K., Kshevetskii S. P., Amosov A. A.

In this paper, a brief review of theoretical and experimental studies on the effect of tsunami waves on elements of sloping structures is considered. Authors’ results of experimental and theoretical studies, which were used as the basis for guiding documents for the design of marine protective hydraulic structures and the Code of Rules “Buildings and Structures in tsunami-prone areas. Rules of Design”, published under the auspices of the Ministry of Construction and Housing and Communal Services of the Russian Federation in 2017. The influence of the roughness of structures on the magnitude of the solitary wave runup was investigated. The calculations were carried out using the long-wave model obtained by Professor Yu. Z. Aleshkov, realized by a difference scheme of the second order. In this paper, we consider protective structures in the form of a slope with a vertical wall and a slope with a berm and a vertical wall. Comparison of the calculated data with the experimental data for two relative wave heights is given. In the final part, new results obtained in the numerical modeling of tsunami based on the complete Euler equations are presented (the authors constructed a new, completely conservative second-order scheme for the numerical realization of these equations) and discusses the prospects for further study of the problem of tsunami interaction with protective structures.

Download original text