Abstract

A two-dimensional model for simulation of the intensive tidal dynamics in the Strait of Messina is presented. An initial boundary-value problem for the viscous shallow-water equations in the complex domain representing the Strait is transformed to the boundary-fitted curvilinear coordinates mapping the domain onto a rectangle with two opposite open boundaries. The transformed equations in the form of contravariant fluxes are integrated by the semi-implicit difference method. The results of computation include tidal maps of the M 2- and M 4-waves, currents induced by the M 2-tide and the sum of the main harmonics, a tidal energetic balance, main eddies, and residual circulation.

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