On the development of a three-dimensional finite-element groundwater flow model of the saturated zone, Yucca Mountain, Nevada [electronic resource].

Published:: Washington, D.C. : United States. Dept. of Energy. Office of Civilian Radioactive Waste Management, 1996.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
Physical Description:: 11 pages : digital, PDF file
Additional Creators:: United States. Department of Energy. Office of Civilian Radioactive Waste Management and United States. Department of Energy. Office of Scientific and Technical Information

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Summary:

Development of a preliminary three-dimensional model of the saturated zone at Yucca Mountain, the potential location for a high-level nuclear waste repository, is presented. The development of the model advances the technology of interfacing: (1)complex three-dimensional hydrogeologic framework modeling; (2) fully three-dimensional, unstructured, finite-element mesh generation; and (3) groundwater flow, heat, and transport simulation. The three-dimensional hydrogeologic framework model is developed using maps, cross sections, and well data. The framework model data are used to feed an automated mesh generator, designed to discretize irregular three-dimensional solids,a nd to assign materials properties from the hydrogeologic framework model to the tetrahedral elements. The mesh generator facilitated the addition of nodes to the finite-element mesh which correspond to the exact three-dimensional position of the potentiometric surface based on water-levels from wells. A ground water flow and heat simulator is run with the resulting finite- element mesh, within a parameter-estimation program. The application of the parameter-estimation program is designed to provide optimal values of permeability and specified fluxes over the model domain to minimize the residual between observed and simulated water levels.

Report Numbers:

E 1.99:conf-9609146--1
conf-9609146--1

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Note:

Published through SciTech Connect.
12/31/1996.
"conf-9609146--1"
"DE97001704"
2. International conference on calibration and reliability in groundwater modelling, Golden, CO (United States), 24-26 Sep 1996.
Faunt, C.C.; Gable, C.W.; Zyvoloski, G.A.; Czarnecki, J.B.
Geological Survey, Lakewood, CO (United States)

Funding Information:

AI08-92NV10874

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