Construction and analysis of a HDG solution for the total-flux formulation of the convected Helmholtz equation
Hélène Barucq, Nathan Rouxelin, Sébastien Tordeux
Source abstract
We introduce a hybridizable discontinuous Galerkin (HDG) method for the convected Helmholtz equation based on the total flux formulation, in which the vector unknown represents both diffusive and convective phenomena. This HDG method is constricted with the same interpolation degree for all the unknowns and a physically informed value for the penalization parameter is computed. A detailed analysis including local and global well-posedness as well as a super-convergence result is carried out. We then provide numerical experiments to illustrate the theoretical results.
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