Incorporation of the capillary hysteresis model HYSTR into the numerical code TOUGH

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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 ... continued below

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25 p.

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Niemi, A.; Bodvarsson, G.S. & Pruess, K. November 1, 1991.

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Description

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.

Physical Description

25 p.

Notes

INIS; OSTI as DE92008051

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  • Other Information: PBD: Nov 1991

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  • Other: DE92008051
  • Report No.: LBL--23592
  • Grant Number: AI08-78ET44802;AC03-76SF00098
  • DOI: 10.2172/138350 | External Link
  • Office of Scientific & Technical Information Report Number: 138350
  • Archival Resource Key: ark:/67531/metadc619591

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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  • November 1, 1991

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  • June 16, 2015, 7:43 a.m.

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  • Feb. 16, 2016, 8:02 p.m.

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Niemi, A.; Bodvarsson, G.S. & Pruess, K. Incorporation of the capillary hysteresis model HYSTR into the numerical code TOUGH, report, November 1, 1991; California. (digital.library.unt.edu/ark:/67531/metadc619591/: accessed December 16, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.