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Exact integration formulas for the finite volume element method on simplicial meshes
Author(s) -
Voitovich T.V.,
Vandewalle S.
Publication year - 2007
Publication title -
numerical methods for partial differential equations
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.901
H-Index - 61
eISSN - 1098-2426
pISSN - 0749-159X
DOI - 10.1002/num.20210
Subject(s) - mathematics , barycentric coordinate system , finite element method , polygon mesh , finite volume method , monomial , partial differential equation , mathematical analysis , geometry , pure mathematics , physics , mechanics , thermodynamics
This article considers the technological aspects of the finite volume element method for the numerical solution of partial differential equations on simplicial grids in two and three dimensions. We derive new classes of integration formulas for the exact integration of generic monomials of barycentric coordinates over different types of fundamental shapes corresponding to a barycentric dual mesh. These integration formulas constitute an essential component for the development of high‐order accurate finite volume element schemes. Numerical examples are presented that illustrate the validity of the technology. © 2007 Wiley Periodicals, Inc. Numer Methods Partial Differential Eq, 2007

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