Computer Modeling of Groundwater Flow

by Edmond D. H. Cheng, Univ of Hawaii at Manoa, Dep of, Civil Engineering, Honolulu, HI, USA,



Document Type: Proceeding Paper

Part of: Hydraulics and Hydrology in the Small Computer Age

Abstract:

In attempting to numerically solve the nonlinear equation for flows in porous media, the Galerkin process, which bears a great similarity to direct methods of the calculus of variations, is being investigated. In the finite element formulation of the groundwater flow equation, systems of nonlinear algebraic equations are developed on the basis of linear two-dimensional triangular elements. These nonlinear algebraic equations are solved simultaneously, at each time step, by a programmed logic of iterations. The third degrees of polynomial interpretations of moisture diffusivity, of the media are also conducted.

Subject Headings: Groundwater flow | Finite element method | Fluid flow | Computer models | Computer analysis | Water flow | Porous media flow | Hawaii | United States

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