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Title: Numerical study of Petrov-Galerkin formulations for the shallow water wave equations
Keywords: Shallow water waves
Finite elements
Petrov-Galerkin formulations
Issue Date: 30-May-2013
Publisher: The Brazilian Society of Mechanical Sciences
Description: The behavior of Petrov-Galerkin formulations for shallow water wave equations is evaluated numerically considering typical one-dimensional propagation problems. The formulations considered here use stabilizing operators to improve classical Galerkin approaches. Their advantages and disadvantages are pointed out according to the intrinsic time scale (free parameter) which has a particular importance in this kind of problem. The influence of the Courant number and the performance of the formulation in dealing with spurious oscillations are adressed.
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Appears in Collections:Technology and Engineering

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