From the viscous Cahn-Hilliard equation to a regularized forward-backward parabolic equation

Abstract

A rigorous proof is given for the convergence of the solutions of a viscous Cahn-Hilliard system to the solution of the regularized version of the forward-backward parabolic equation, as the coefficient of the diffusive term goes to 0. Non-homogenous Neumann boundary condition are handled for the chemical potential and the subdifferential of a possible non-smooth double-well functional is considered in the equation. An error estimate for the difference of solutions is also proved in a suitable norm and with a specified rate of convergence.

Key words and phrases: Cahn-Hilliard system, forward-backward parabolic equation, viscosity, initial-boundary value problem, asymptotic analysis, well-posedness

References in corpus (1)

• Some remarks on a viscous regularization of the nonlinear diffusion equation

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