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A unified approach to Mimetic Finite Difference, Hybrid Finite Volume and Mixed Finite Volume methods

Abstract : We investigate the connections between several recent methods for the discretization of ani\-so\-tropic heterogeneous diffusion operators on general grids. We prove that the Mimetic Finite Difference scheme, the Hybrid Finite Volume scheme and the Mixed Finite Volume scheme are in fact identical up to some slight generalizations. As a consequence, some of the mathematical results obtained for each of the method (such as convergence properties or error estimates) may be extended to the unified common framework. We then focus on the relationships between this unified method and nonconforming Finite Element schemes or Mixed Finite Element schemes, obtaining as a by-product an explicit lifting operator close to the ones used in some theoretical studies of the Mimetic Finite Difference scheme. We also show that for isotropic operators, on particular meshes such as triangular meshes with acute angles, the unified method boils down to the well-known efficient two-point flux Finite Volume scheme.
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https://hal.archives-ouvertes.fr/hal-00346077
Contributor : Raphaele Herbin <>
Submitted on : Thursday, December 11, 2008 - 9:36:16 AM
Last modification on : Wednesday, February 26, 2020 - 7:06:07 PM
Long-term archiving on: : Tuesday, June 8, 2010 - 4:13:03 PM

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Jerome Droniou, Robert Eymard, Thierry Gallouët, Raphaele Herbin. A unified approach to Mimetic Finite Difference, Hybrid Finite Volume and Mixed Finite Volume methods. Mathematical Models and Methods in Applied Sciences, World Scientific Publishing, 2010, 20 (2), pp.265--295. ⟨10.1142/S0218202510004222⟩. ⟨hal-00346077⟩

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