A parallelizable procedure for contaminant diffusion in waste disposal

The contaminant transport problem is typically modeled by advection-diffusion equations. In this paper we apply a parallelizable iterative procedure to approximate the solution of the diffusion term of such equations. The spatial discretization is done by using mixed finite elements, and the resulti...

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Bibliographic Details
Main Authors: Francisco, A S, de Castro, JA, Kelessidis, V C, Tsamantaki, C, Pasadakis, N, Repouskou, E, Hamilaki, E
Format: Conference Proceeding
Language:English
Subjects:
Actuarial cost methods
Advection-diffusion equation
Algorithms
Computer memory
Contaminants
Diffusion
Domain decomposition methods
Iterative methods
Parallel processing
Waste disposal
Online Access:Get full text
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Summary:The contaminant transport problem is typically modeled by advection-diffusion equations. In this paper we apply a parallelizable iterative procedure to approximate the solution of the diffusion term of such equations. The spatial discretization is done by using mixed finite elements, and the resulting algebraic problems are handled by a domain decomposition procedure. This procedure permits one to implement the algorithm in distributed machines in order to save on computer memory and execution time. Numerical results are compared with experimental, which indicate that the numerical procedure is accurate and very efficient in a computational point of view.
ISSN:1746-4471
1743-3533
DOI:10.2495/MPF070161