The point source function of the mixed difference problem in the half-plane

D. Radunović

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Displaying similar documents to “The point source function of the mixed difference problem in the half-plane”

A Mixed Finite Element Method for Plasticity Problems with Hardening

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Publications mathématiques et informatique de Rennes

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Instability of mixed finite elements for Richards' equation

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Richards' equation is a widely used model of partially saturated flow in a porous medium. In order to obtain conservative velocity field several authors proposed to use mixed or mixed-hybrid schemes to solve the equation. In this paper, we shall analyze the mixed scheme on 1D domain and we show that it violates the discrete maximum principle which leads to catastrophic oscillations in the solution.