A Composite Mixed Finite Elements for General Hexahedral Grids

Amel Sboui (1) , Jérôme Jaffré (2) , Jean E. Roberts (2)

1 Service DS/CS
2 ESTIME - Parameter estimation and modeling in heterogeneous media

A new mixed finite element method on three-dimensional general hexahedral meshes for second order elliptic problems is proposed. This finite element is composite and is shown to have optimal convergence properties.

Mots clés: mixed finite element; hexahedral grids

Domaines: Analyse numérique [math.NA]

Amel Sboui, Jérôme Jaffré, Jean E. Roberts. A Composite Mixed Finite Elements for General Hexahedral Grids. [Research Report] RR-6300, INRIA. 2007, pp.27. ⟨inria-00173453v2⟩