Combined analytical/numerical approaches to solving fluid flow problems in the unsaturated zone at Yucca Mountain

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Various analytical and numerical approaches are presented for the study of unsaturated flow processes in the vicinity of the Yucca Mountain, Nevada, the proposed site of an underground radioactive waste repository. Approximate analytical methods are used to study absorption of water from a saturated fracture into the adjacent rock. These solutions are incorporated into a numerical simulator as fracture/matrix interaction terms to treat problems such as flow along a fracture with transverse leakage into the matrix. An automatic fracture/matrix mesh generator is described; it allows for more efficient mesh generation for fractured/porous media, and consequently leads to large savings in ... continued below

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17 p.

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Zimmerman, R.W. & Bodvarsson, G.S. January 1, 1990.

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Description

Various analytical and numerical approaches are presented for the study of unsaturated flow processes in the vicinity of the Yucca Mountain, Nevada, the proposed site of an underground radioactive waste repository. Approximate analytical methods are used to study absorption of water from a saturated fracture into the adjacent rock. These solutions are incorporated into a numerical simulator as fracture/matrix interaction terms to treat problems such as flow along a fracture with transverse leakage into the matrix. An automatic fracture/matrix mesh generator is described; it allows for more efficient mesh generation for fractured/porous media, and consequently leads to large savings in computational time and cost. 21 refs., 6 figs.

Physical Description

17 p.

Notes

INIS; OSTI as DE90007768

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  • 1. international topical meeting on high-level radioactive waste management, Las Vegas, NV (United States), 8-12 Apr 1990

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  • Other: DE90007768
  • Report No.: LBL--28358
  • Report No.: CONF-900406--38
  • Grant Number: AC03-76SF00098
  • Office of Scientific & Technical Information Report Number: 137670
  • Archival Resource Key: ark:/67531/metadc623419

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Office of Scientific & Technical Information Technical Reports

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  • January 1, 1990

Added to The UNT Digital Library

  • June 16, 2015, 7:43 a.m.

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  • April 5, 2016, 11:31 a.m.

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Zimmerman, R.W. & Bodvarsson, G.S. Combined analytical/numerical approaches to solving fluid flow problems in the unsaturated zone at Yucca Mountain, article, January 1, 1990; California. (digital.library.unt.edu/ark:/67531/metadc623419/: accessed July 17, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.