Upscaling to General Quadrilateral Grids

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Abstract/Contents

Abstract: Flexible grid generation techniques can often lead to simulation grids that do not conform (i.e. overlay) to the underlying geological grid where fine scale properties are defined. This makes the problem of flow-based upscaling more complicated. In this work, a general upscaling technique is developed that can compute coarse quadrilateral grid tensors resulting from any fine scale geological grid. The method includes an extension of Durlofsky's periodic boundary condition upscaling technique to general quadrilateral grids. The numerical solution is accomplished using triangle-based finite element methods. Analytical solutions, available for rectangles and parallelograms, are reproduced exactly by this technique. Numerical results for general quadrilateral cells indicate that reasonable effective permeability estimates are obtained.

Type of resource	text
Date created	May 2000

Author	He, Chuanping
Primary advisor	Durlofsky, Louis J.
Primary advisor	Edwards, Michael G.
Degree granting institution	Stanford University, Department of Petroleum Engineering

Subject	School of Earth Energy & Environmental Sciences
Genre	Thesis

Location	https://purl.stanford.edu/fm774hx8787

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Preferred Citation: He, Chuanping. (2000). Upscaling to General Quadrilateral Grids. Stanford Digital Repository. Available at: https://purl.stanford.edu/fm774hx8787

Master's Theses, Doerr School of Sustainability

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