NORIA-SP: A finite element computer program for analyzing liquid water transport in porous media; Yucca Mountain Site Characterization Project

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A family of finite element computer programs has been developed at Sandia National Laboratories (SNL) most recently, NORIA-SP. The original NORIA code solves a total of four transport equations simultaneously: liquid water, water vapor, air, and energy. Consequently, use of NORIA is computer-intensive. Since many of the applications for which NORIA is used are isothermal, we decided to ``strip`` the original four-equation version, leaving only the liquid water equation. This single-phase version is NORIA-SP. The primary intent of this document is to provide the user of NORIA-SP an accurate user`s manual. Consequently, the reader should refer to the NORIA manual ... continued below

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97 p.

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Hopkins, P.L.; Eaton, R.R. & Bixler, N.E. December 1, 1991.

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  • Sandia National Laboratories
    Publisher Info: Sandia National Labs., Albuquerque, NM (United States)
    Place of Publication: Albuquerque, New Mexico

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Description

A family of finite element computer programs has been developed at Sandia National Laboratories (SNL) most recently, NORIA-SP. The original NORIA code solves a total of four transport equations simultaneously: liquid water, water vapor, air, and energy. Consequently, use of NORIA is computer-intensive. Since many of the applications for which NORIA is used are isothermal, we decided to ``strip`` the original four-equation version, leaving only the liquid water equation. This single-phase version is NORIA-SP. The primary intent of this document is to provide the user of NORIA-SP an accurate user`s manual. Consequently, the reader should refer to the NORIA manual if additional detail is required regarding the equation development and finite element methods used. The single-equation version of the NORIA code (NORIA-SP) has been used most frequently for analyzing various hydrological scenarios for the potential underground nuclear waste repository at Yucca Mountain in western Nevada. These analyses are generally performed assuming a composite model to represent the fractured geologic media. In this model the material characteristics of the matrix and the fractures are area weighted to obtain equivalent material properties. Pressure equilibrium between the matrix and fractures is assumed so a single conservation equation can be solved. NORIA-SP is structured to accommodate the composite model. The equations for water velocities in both the rock matrix and the fractures are presented. To use the code for problems involving a single, nonfractured porous material, the user can simply set the area of the fractures to zero.

Physical Description

97 p.

Notes

INIS; OSTI as DE92017281

Source

  • Other Information: PBD: Dec 1991

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  • Other: DE92017281
  • Report No.: SAND--90-2542
  • Grant Number: AC04-76DP00789
  • DOI: 10.2172/140757 | External Link
  • Office of Scientific & Technical Information Report Number: 140757
  • Archival Resource Key: ark:/67531/metadc620529

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  • December 1, 1991

Added to The UNT Digital Library

  • June 16, 2015, 7:43 a.m.

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  • April 14, 2016, 7:57 p.m.

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Hopkins, P.L.; Eaton, R.R. & Bixler, N.E. NORIA-SP: A finite element computer program for analyzing liquid water transport in porous media; Yucca Mountain Site Characterization Project, report, December 1, 1991; Albuquerque, New Mexico. (digital.library.unt.edu/ark:/67531/metadc620529/: accessed November 17, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.