Hybrid Methods in Engineering Modeling, Programming, Analysis, Animation

ISSN for PRINT: 1099-2391

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2000, Volume2

Issue 2

120 pages

Issue price - $125.00

Okey Oseloka Onyejekwe
Department of Civil Engineering, University of Durban, Westvill, Durban, South Africa

A modified boundary integral procedure, hereinafter referred to as the Green-element method (GEM), is applied to simulate flows in an unconfined aquifer. Numerical considerations permit the solution of the integral replication of die governing nonlinear partial differential equation by domain discretization. This is implemented in such a way that the application of the boundary integral theory is further enhanced. GEM facilitates the incorporation of nonlinearity into the boundary integral theory by exploiting the advantages of the finite element method. Numerical results obtained from GEM for various scenarios of water level fluctuations in both one-dimensional and two-dimensional unconfined aquifer are compared with those of similar studies. In all the cases tested, encouraging results are obtained, thus confirming that GEM is accurate and yields accurate results.

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