Numerical solution of the ‘classical’ Boussinesq system |
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Authors: | DC Antonopoulos VA Dougalis |
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Affiliation: | 1. Department of Mathematics, University of Athens, 15784 Zographou, Greece;2. Institute of Applied and Computational Mathematics, FORTH, 71110 Heraklion, Greece |
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Abstract: | We consider the ‘classical’ Boussinesq system of water wave theory, which belongs to the class of Boussinesq systems modelling two-way propagation of long waves of small amplitude on the surface of water in a horizontal channel. (We also consider its completely symmetric analog.) We discretize the initial-boundary-value problem for these systems, corresponding to homogeneous Dirichlet boundary conditions on the velocity variable at the endpoints of a finite interval, using fully discrete Galerkin-finite element methods of high accuracy. We use the numerical schemes as exploratory tools to study the propagation and interactions of solitary-wave solutions of these systems, as well as other properties of their solutions. |
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Keywords: | Water waves &lsquo Classical&rsquo Boussinesq systems Initial-boundary-value problems Fully discrete Galerkin-finite element methods Solitary waves |
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