A cell functional minimization scheme for parabolic problem
Journal of Computational Physics
A Multipoint Flux Mixed Finite Element Method on Hexahedra
SIAM Journal on Numerical Analysis
Mimetic finite difference method
Journal of Computational Physics
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We consider mimetic finite difference approximations to second order elliptic problems on non-matching multiblock grids. Mortar finite elements are employed on the non-matching interfaces to impose weak flux continuity. Optimal convergence and, in certain cases, superconvergence is established for both the scalar variable and its flux. The theory is confirmed by computational results.