Incorporation of the capillary hysteresis model HYSTR into the numerical code TOUGH [electronic resource].

Published:: Washington, D.C. : United States. Dept. of Energy, 1991.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
Physical Description:: 25 pages : digital, PDF file
Additional Creators:: Lawrence Livermore National Laboratory, United States. Department of Energy, and United States. Department of Energy. Office of Scientific and Technical Information

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Summary:

As part of the work performed to model flow in the unsaturated zone at Yucca Mountain Nevada, a capillary hysteresis model has been developed. The computer program HYSTR has been developed to compute the hysteretic capillary pressure -- liquid saturation relationship through interpolation of tabulated data. The code can be easily incorporated into any numerical unsaturated flow simulator. A complete description of HYSTR, including a brief summary of the previous hysteresis literature, detailed description of the program, and instructions for its incorporation into a numerical simulator are given in the HYSTR user`s manual (Niemi and Bodvarsson, 1991a). This report describes the incorporation of HYSTR into the numerical code TOUGH (Transport of Unsaturated Groundwater and Heat; Pruess, 1986). The changes made and procedures for the use of TOUGH for hysteresis modeling are documented.

Report Numbers:

E 1.99:lbl--23592
lbl--23592

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Note:

Published through SciTech Connect.
11/01/1991.
"lbl--23592"
"DE92008051"
Bodvarsson, G.S.; Pruess, K.; Niemi, A.

Funding Information:

AI08-78ET44802
AC03-76SF00098

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