Document Type : Research Article
Faculty of Mathematical Sciences, Shahrood University of Thechnology, Shahrood, Iran
Department of Mathematical Sciences, Chalmers University of Technology, Goteborg, Sweden
The Cahn-Hilliard equation is discretized by a Galerkin finite element method based on continuous piecewise linear functions in space and discontinuous piecewise constant functions in time. A posteriori error estimates are proved by using the methodology of dual weighted residuals.