Numerical modeling of contaminant transport in fractured porous media using mixed finite-element and finitevolume methods

Handle URI:
http://hdl.handle.net/10754/561651
Title:
Numerical modeling of contaminant transport in fractured porous media using mixed finite-element and finitevolume methods
Authors:
Dong, Chen; Sun, Shuyu ( 0000-0002-3078-864X ) ; Taylor, Glenn A.
Abstract:
A mathematical model for contaminant species passing through fractured porous media is presented. In the numerical model, we combine two locally conservative methods; i.e., the mixed finite-element (MFE) method and the finite-volume method. Adaptive triangle mesh is used for effective treatment of the fractures. A hybrid MFE method is employed to provide an accurate approximation of velocity fields for both the fractures and matrix, which are crucial to the convection part of the transport equation. The finite-volume method and the standard MFE method are used to approximate the convection and dispersion terms, respectively. The temporary evolution for the pressure distributions, streamline fields, and concentration profiles are obtained for six different arrangements of fractures. The results clearly show the distorted concentration effects caused by the ordered and disordered (random) patterns of the fractures and illustrate the robustness and efficiency of the proposed numerical model. © 2011 by Begell House Inc.
KAUST Department:
Computational Transport Phenomena Lab; Physical Sciences and Engineering (PSE) Division; Environmental Science and Engineering Program
Publisher:
Begell House
Journal:
Journal of Porous Media
Issue Date:
2011
DOI:
10.1615/JPorMedia.v14.i3.30
Type:
Article
ISSN:
1091028X
Appears in Collections:
Articles; Environmental Science and Engineering Program; Physical Sciences and Engineering (PSE) Division; Computational Transport Phenomena Lab

Full metadata record

DC FieldValue Language
dc.contributor.authorDong, Chenen
dc.contributor.authorSun, Shuyuen
dc.contributor.authorTaylor, Glenn A.en
dc.date.accessioned2015-08-03T09:01:25Zen
dc.date.available2015-08-03T09:01:25Zen
dc.date.issued2011en
dc.identifier.issn1091028Xen
dc.identifier.doi10.1615/JPorMedia.v14.i3.30en
dc.identifier.urihttp://hdl.handle.net/10754/561651en
dc.description.abstractA mathematical model for contaminant species passing through fractured porous media is presented. In the numerical model, we combine two locally conservative methods; i.e., the mixed finite-element (MFE) method and the finite-volume method. Adaptive triangle mesh is used for effective treatment of the fractures. A hybrid MFE method is employed to provide an accurate approximation of velocity fields for both the fractures and matrix, which are crucial to the convection part of the transport equation. The finite-volume method and the standard MFE method are used to approximate the convection and dispersion terms, respectively. The temporary evolution for the pressure distributions, streamline fields, and concentration profiles are obtained for six different arrangements of fractures. The results clearly show the distorted concentration effects caused by the ordered and disordered (random) patterns of the fractures and illustrate the robustness and efficiency of the proposed numerical model. © 2011 by Begell House Inc.en
dc.publisherBegell Houseen
dc.subjectAdaptive triangle meshen
dc.subjectFinite-volume methoden
dc.subjectFlow transportationen
dc.subjectFractured porous mediumen
dc.subjectMixed finite-element methoden
dc.subjectSimulationen
dc.titleNumerical modeling of contaminant transport in fractured porous media using mixed finite-element and finitevolume methodsen
dc.typeArticleen
dc.contributor.departmentComputational Transport Phenomena Laben
dc.contributor.departmentPhysical Sciences and Engineering (PSE) Divisionen
dc.contributor.departmentEnvironmental Science and Engineering Programen
dc.identifier.journalJournal of Porous Mediaen
dc.contributor.institutionDepartment of Mathematical Sciences, Clemson University, Clemson, SC, 29634- 0975, United Statesen
dc.contributor.institutionSavannah River National Laboratory, Aiken, SC 29808, United Statesen
kaust.authorSun, Shuyuen
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