Abstract
AbstractThe use of the boundary‐element method (BEM) for three‐dimensional potential flow problems is described herein. The specific application for which the program is designed is the flow in fractured porous media. There are several enhancements to the usual boundary‐element calculations. The method uses linear elements to approximate better the boundary conditions and the solution on the surfaces as compared to constant elements; accurate integration over high‐aspect‐ratio triangles is achieved by computing all the integrals in closed form, as opposed to numerical cubature or mixed exact‐numerical integration schemes; and the zoning for inhomogeneous regions uses an efficient method which reduces the size of the problem and avoids difficulties with singularities.
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