A Family of Methods of the DG-Morley Type for Polyharmonic Equations

A Family of Methods of the DG-Morley Type for Polyharmonic Equations

Year:    2010

Author:    Vitoriano Ruas, José Henrique Carneiro De Araujo

Advances in Applied Mathematics and Mechanics, Vol. 2 (2010), Iss. 3 : pp. 303–332

Abstract

Discontinuous Galerkin methods as a solution technique of second order elliptic problems, have been increasingly exploited by several authors in the past ten years. It is generally claimed the alledged attractive geometrical flexibility of these methods, although they involve considerable increase of computational effort, as compared to continuous methods. This work is aimed at proposing a combination of DGM and non-conforming finite element methods to solve elliptic $m$-harmonic equations in a bounded domain of $\mathbb{R}^n$, for $n$ = 2 or $n$ = 3, with $m $$\geq$$ n+1$, as a valid and reasonable alternative to classical finite elements, or even to boundary element methods.

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Journal Article Details

Publisher Name:    Global Science Press

Language:    English

DOI:    https://doi.org/10.4208/aamm.09-m0953

Advances in Applied Mathematics and Mechanics, Vol. 2 (2010), Iss. 3 : pp. 303–332

Published online:    2010-01

AMS Subject Headings:    Global Science Press

Copyright:    COPYRIGHT: © Global Science Press

Pages:    30

Keywords:    Discontinuous Galerkin finite elements Hermite tetrahedrons Morley triangle non-conforming polyharmonic equations.

Author Details

Vitoriano Ruas

José Henrique Carneiro De Araujo