Finite difference scheme for parabolic problems on composite grids with refinement in time and space
SIAM Journal on Numerical Analysis - Special issue: the articles in this issue are dedicated to Seymour V. Parter
Finite volume methods for convection-diffusion problems
SIAM Journal on Numerical Analysis
Efficient Parallel Algorithms for Parabolic Problems
SIAM Journal on Numerical Analysis
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Based on domain decomposition and multi-layer explicit computation technique, one new explicit/implicit algorithm is presented for convection-diffusion equations, which has high parallelism and applies modified upwind differences to discretize diffusion term. By the analysis of auxiliary difference equations and the maximum principle, the resulting procedure is shown to be of second-order global accuracy in space. Numerical experiments illustrating the accuracy, efficiency and parallelism are shown.