Record Display for the EPA National Library Catalog


Main Title MOFAT, a two-dimensional finite element program for multiphase flow and multicomponent transport program documentation and user's guide /
Author Katyal, A. K. ; Kaluarachchi, J. J. ; Parker, J. C.
Other Authors
Author Title of a Work
Kaluarachchi, J. J.
Parker, J. C.
CORP Author Virginia Polytechnic Inst. and State Univ., Blacksburg. Center for Environmental and Hazardous Material Studies.;Robert S. Kerr Environmental Research Lab., Ada, OK.
Publisher Robert S. Kerr Environmental Research Laboratory, Office of Research and Development, U.S. Environmental Protection Agency ;
Year Published 1991
Report Number EPA/600/2-91/020
Stock Number PB91-191692
OCLC Number 33183107
Subjects Groundwater flow--Computer programs ; Nonaqueous solvents--Computer programs
Additional Subjects Path of pollutants ; Computerized simulation ; Environmental transport ; Multiphase flow ; Finite element method ; Two-dimensional calculations ; Ground water ; Vapor phases ; User manuals(Computer programs) ; Documentation ; Land pollution ; Soil contamination ; Mass transfer ; Water pollution ; Vapor phases ; Permeability ; MOFAT model ; Nonaqueous phase liquid
Internet Access
Description Access URL
Library Call Number Additional Info Location Last
EMBD  EPA/600/2-91/020 NRMRL/GWERD Library/Ada,OK 10/27/1995
NTIS  PB91-191692 Some EPA libraries have a fiche copy filed under the call number shown. 07/26/2022
Collation vii, 110 p. : ill. ; 28 cm.
The manual describes a two-dimensional finite element model for coupled multiphase flow and multicomponent transport in planar or radially symmetric vertical sections. Flow and transport of three fluid phases, including water, nonaqueous phase liquid (NAPL), and gas are considered by the program. The program can simulate flow only or coupled flow and transport. The flow module can be used to analyze two phases, water and NAPL, with the gas phase held at constant pressure, or explicit three-phase flow of water, NAPL, and gas at various pressures. The transport module can handle up to five components which partition among water, NAPL, gas and solid phases assuming either local equilibrium or first-order mass transfer. Three phase permeability-saturation-capillary pressure relations are defined by an extension of the van Genuchten model. The governing equations are solved using an efficient upstream-weighted finite element scheme. The report describes the required inputs for flow analysis and transport analysis. Time dependent boundary conditions for flow and transport analysis can be handled by the program and are described in the report. Detailed instructions for creating data files needed to run the program and example input and output files are given in appendices.
"May 1991" "Project no. CR-814320" "EPA/600/2-91/020" "PB91-191692" Includes bibliographical references (p. 64-65).