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A nonlinear Discrete Duality Finite Volume Scheme for convection-diffusion equations

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Figure

Fig. 1 Definition of the diamonds D σ,σ ∗ and related notations.
Fig. 2 Left: First Kershaw mesh. Middle: Third quadrangle mesh. Right: Discrete relative energy E n T − E ∞T as a function of n∆t computed on the first four Kershaw meshes.

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