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      Precondicionamiento del método LDG para la ecuación vectorial de Helmholtz Translated title: Preconditioning of the LDG method for the vector Helmholtz equation

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          Abstract

          ResumenSe presenta un estudio numérico de un precondicionador para la ecuación vectorial de Helmholtz; el cual se deriva de la técnica del Laplaciano desplazado. Se utiliza una nueva versión del método "Local Discontinuous Galerkin" (LDG) como técnica de discretización espacial. Se valida la escalabilidad del precondicionador mediante una serie de experimentos numéricos en dominios poliédricos y aproximaciones de alto orden en problemas de bajas frecuencias en el caso real.

          Translated abstract

          AbstractA numerical study of a preconditioner for the vector Helmholtz equation based on the shifted Laplacian preconditioning technique is presented. The Local Discontinuous Galerkin (LDG) method is used as spatial discretization technique. Scalability of the preconditioner is validated on a series of numerical experiments in polyhedral domains for high order approximations on low frecuency problems in the real case.

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          Most cited references36

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          The Local Discontinuous Galerkin Method for Time-Dependent Convection-Diffusion Systems

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            A Dynamical Theory of the Electromagnetic Field

            J. Maxwell (1865)
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              An A Priori Error Analysis of the Local Discontinuous Galerkin Method for Elliptic Problems

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Journal
                rmta
                Revista de Matemática Teoría y Aplicaciones
                Rev. Mat
                Publicación del Centro de Investigaciones en Matemática Pura y Aplicada (CIMPA) (San José, San José, Costa Rica )
                1409-2433
                December 2016
                : 23
                : 2
                : 339-360
                Affiliations
                [2] orgnameUniversidad de Puerto Rico Puerto Rico paul.castillo@ 123456upr.edu
                [1] orgnameUniversidad de Puerto Rico Puerto Rico arlin.alvarado@ 123456upr.edu
                Article
                S1409-24332016000200339
                6a508681-8a2f-4ee1-8ae9-9969cc104941

                This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 International License.

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                Figures: 0, Tables: 0, Equations: 0, References: 33, Pages: 22
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                SciELO Costa Rica


                precondicionamiento,ecuación vectorial de Helmholtz,método LDG,preconditioning,vector Helmholtz equation,LDG method

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