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Hybrid Methods in Engineering

ISSN Print: 1099-2391
ISSN Online: 2641-7359

Archives: Volume 1, 1999 to Volume 4, 2002

Hybrid Methods in Engineering

DOI: 10.1615/HybMethEng.v3.i1.10
9 pages

SIMULATION OF INFILTRATION IN POROUS MEDIUM BY LAPLACE TRANSFORM TECHNIQUE AND FINITE DIFFERENCE METHOD

E. Wendland
Depto. de Hidráulica e Saneamento, Universidade de São Paulo, Caixa Postal 359, São Carlos-SP-Brasil, 13 560-970
Marco T. Vilhena
Departamento de Engenharia Mecânica, Instituto de Matematica Aplicada, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil

ABSTRACT

A hybrid method using the Laplace transform and the finite difference method has been considered to determine the wetting profile in a soil submitted to an infiltration process. This scheme has been applied to the case of a semi-infinite column of sand, satisfying the constant flux condition at the surface. The numerical results and the experimental water content profiles are in good agreement.


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