Abstract
We propose and analyze a fully discrete H 1-Galerkin method with quadrature for nonlinear parabolic advection–diffusion–reaction equations that requires only linear algebraic solvers. Our scheme applied to the special case heat equation is a fully discrete quadrature version of the least-squares method. We prove second order convergence in time and optimal H 1 convergence in space for the computer implementable method. The results of numerical computations demonstrate optimal order convergence of scheme in H k for k = 0, 1, 2.
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Ganesh, M., Mustapha, K. A fully discrete H 1-Galerkin method with quadrature for nonlinear advection–diffusion–reaction equations. Numer Algor 43, 355–383 (2006). https://doi.org/10.1007/s11075-007-9066-6
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DOI: https://doi.org/10.1007/s11075-007-9066-6