Iterative solution methods
Domain Decomposition Operator Splittings for the Solution of Parabolic Equations
SIAM Journal on Scientific Computing
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In this article we present a new splitting approach for the numerical solution of the multi-dimensional convection diffusion equations. The method combines additive and multiplicative splitting. In particular the method combines first order Strang's splitting, multiplicative splitting defined for splitting the convection and diffusion equation, and additive splitting defined in accordance with the spatial variables. The method not only reduces the linear (or nonlinear) original problem into a series of one-dimensional and one physical operator linear problems, but also enables us to compute these one-dimensional problems using parallel processors. The accuracy and stability of the new algorithm are investigated through the solution of different multi-dimensional convection diffusion model problems with scalar coefficients.