Non-oscillatory central differencing for hyperbolic conservation laws
Journal of Computational Physics
Journal of Computational Physics
High order finite difference numerical methods for time-dependent convection-dominated problems
Applied Numerical Mathematics - Applied scientific computing: Recent approaches to grid generation, approximation and numerical modelling
Stabilization of explicit methods for convection diffusion equations by discrete mollification
Computers & Mathematics with Applications
Additive and iterative operator splitting methods and their numerical investigation
Computers & Mathematics with Applications
Approximate solution of hyperbolic conservation laws by discrete mollification
Applied Numerical Mathematics
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The main goal of this paper is to show that discrete mollification is a suitable ingredient in operator splitting methods for the numerical solution of nonlinear convection-diffusion equations. In order to achieve this goal, we substitute the second step of the operator splitting method of Karlsen and Risebro (1997) [1] for a mollification step and prove that the convergence features are fairly well preserved. We end the paper with illustrative numerical experiments.