This article is cited in 2 scientific papers (total in 2 papers)
Combined numerical model of tsunami
M. A. Nosovab, S. V. Kolesovb
a Institute of Marine Geology and Geophysics, Russian Academy of Sciences
b Lomonosov Moscow State University, Faculty of Physics
A numerical model describing dynamics of surface gravity waves and acoustic waves excited in the ocean by small dynamic deformations of the bottom is constructed. The model is based on the linear potential theory. The model represents a combination of two dynamically coupled blocks: deep-water and shallow. The deep-water block solves a three-dimensional problem of potential wave theory in a sigma-spherical coordinates, the shallow block — a two-dimensional problem of shallow water theory in spherical coordinates. Results of testing of the numerical model with use of analytical solution of the problem in case of flat horizontal bottom are shown. A comparative analysis of results of simulations of tsunamis on November 15, 2006 and January 13, 2007 on the Central Kuril Islands with use of newly constructed and traditional long-wave models is carried out.
tsunami waves, phase dispersion, potential theory, long-wave theory, numerical simulation.
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M. A. Nosov, S. V. Kolesov, “Combined numerical model of tsunami”, Matem. Mod., 31:1 (2019), 44–62
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\by M.~A.~Nosov, S.~V.~Kolesov
\paper Combined numerical model of tsunami
\jour Matem. Mod.
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K. A. Sementsov, A. V. Bolshakova, “A model for the generation of waves in the ocean by seismic bottom movements in sigma-coordinates”, Mosc. Univ. Phys. Bull., 75:1 (2020), 87–94
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