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Apr 17, 2017
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Dec 1, 2001
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Abstract

We develop a finite volume characteristic method for the solution of the advection-diffusion equations which model the contaminant transport through porous medium. This method uses a second order Runge-Kutta approximation for the characteristics within the framework of the Eulerian Lagrangian localized adjoint methods (ELLAM). The derived scheme conserves mass, symmetrizes the governing equations and generates accurate numerical solutions even if large time steps are used.  Numerical experiments comparing several competitive methods using a standard test example are presented to illustrate the performance of the method.

 

 

Keywords

Characteristics methods Comparison of numerical methods Eulerian-Lagrangian methods Numerical solutions of advection-diffusion equations Runge-Kutta methods.

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References

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