SAMFT1D: Single-phase and multiphase flow and transport in 1 dimension. Version 2.0, Documentation and user`s guide

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This report documents a one-dimensional numerical model, SAMFT1D, developed to simulate single-phase and multiphase fluid flow and solute transport in variably saturated porous media. The formulation of the governing equations and the numerical procedures used in the code for single-phase and multiphase flow and transport are presented. The code is constructed to handle single-phase as well as two or three-phase flow conditions using two integrated sets of computational modules. The fully implicit scheme is used in the code for both single-phase and multiphase flow simulations. Either the Crank-Nicholson scheme or the fully implicit scheme may be used in the transport ... continued below

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297 p.

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Wu, Y. S.; Huyakorn, P. S.; Panday, S.; Park, N. S. & Kool, J. B. September 1, 1991.

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Description

This report documents a one-dimensional numerical model, SAMFT1D, developed to simulate single-phase and multiphase fluid flow and solute transport in variably saturated porous media. The formulation of the governing equations and the numerical procedures used in the code for single-phase and multiphase flow and transport are presented. The code is constructed to handle single-phase as well as two or three-phase flow conditions using two integrated sets of computational modules. The fully implicit scheme is used in the code for both single-phase and multiphase flow simulations. Either the Crank-Nicholson scheme or the fully implicit scheme may be used in the transport simulation. The single-phase modules employ the Galerkin and upstream weighted residual finite element techniques to model flow and transport of water (aqueous phase) containing dissolved single-species contaminants concurrently or sequentially, and include the treatment of various boundary conditions and physical processes. The multiphase flow modules use block-centered finite difference techniques to simulate two or three-phase flow problems, and treat different boundary conditions in terms of source/sink terms fully implicitly. Whereas the multiphase solute transport modules employ finite element schemes to handle single-species transport in multiphase fluid systems. This document has been produced as a user`s manual. It contains detailed information on the code structure along with instructions for input data preparation and sample input and printed output for selected test problems. Also included are instructions for job set up and simulation restart procedures.

Physical Description

297 p.

Notes

OSTI as DE95007639

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  • Other Information: PBD: Sep 1991

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  • Other: DE95007639
  • Report No.: LA-SUB--95-27-1
  • Grant Number: W-7405-ENG-36
  • DOI: 10.2172/72909 | External Link
  • Office of Scientific & Technical Information Report Number: 72909
  • Archival Resource Key: ark:/67531/metadc706633

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  • September 1, 1991

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  • Sept. 12, 2015, 6:31 a.m.

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  • May 8, 2018, 1:30 p.m.

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Wu, Y. S.; Huyakorn, P. S.; Panday, S.; Park, N. S. & Kool, J. B. SAMFT1D: Single-phase and multiphase flow and transport in 1 dimension. Version 2.0, Documentation and user`s guide, report, September 1, 1991; New Mexico. (digital.library.unt.edu/ark:/67531/metadc706633/: accessed June 20, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.