Hydromechanical modeling of unsaturated flow in double porosity media

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dc.contributor.authorChoo, Jinhyunko
dc.contributor.authorWhite, Joshua A.ko
dc.contributor.authorBorja, Ronaldo I.ko
dc.date.accessioned2022-01-21T06:42:03Z-
dc.date.available2022-01-21T06:42:03Z-
dc.date.created2022-01-21-
dc.date.created2022-01-21-
dc.date.created2022-01-21-
dc.date.created2022-01-21-
dc.date.created2022-01-21-
dc.date.issued2016-12-
dc.identifier.citationInternational Journal of Geomechanics, v.16, no.6-
dc.identifier.issn1532-3641-
dc.identifier.urihttp://hdl.handle.net/10203/291941-
dc.description.abstractGeomaterials with aggregated structure or containing fissures often exhibit a bimodal pore size distribution that can be viewed as two coexisting pore regions of different scales. The double-porosity concept enables continuum modeling of such materials by considering two interacting pore scales satisfying relevant conservation laws. This paper develops a thermodynamically consistent framework for hydromechanical modeling of unsaturated flow in double-porosity media. With an explicit treatment of the two pore scales, conservation laws are formulated incorporating an effective stress tensor that is energy-conjugate to the rate of deformation tensor of the solid matrix. A constitutive framework is developed on the basis of energy-conjugate pairs identified in the first law of thermodynamics, which is then incorporated into a three-field mixed finite-element formulation for double-porosity media. Numerical simulations of laboratory- and field-scale problems are presented to demonstrate the impact of double porosity on the resulting hydromechanical responses. (C) 2016 American Society of Civil Engineers.-
dc.languageEnglish-
dc.publisherAmerican Society of Civil Engineers-
dc.titleHydromechanical modeling of unsaturated flow in double porosity media-
dc.typeArticle-
dc.identifier.wosid000388599600002-
dc.identifier.scopusid2-s2.0-84996993089-
dc.type.rimsART-
dc.citation.volume16-
dc.citation.issue6-
dc.citation.publicationnameInternational Journal of Geomechanics-
dc.identifier.doi10.1061/(ASCE)GM.1943-5622.0000558-
dc.contributor.localauthorChoo, Jinhyun-
dc.contributor.nonIdAuthorWhite, Joshua A.-
dc.contributor.nonIdAuthorBorja, Ronaldo I.-
dc.description.isOpenAccessN-
dc.type.journalArticleArticle-
dc.subject.keywordAuthorCoupled problem-
dc.subject.keywordAuthorDouble porosity-
dc.subject.keywordAuthorEffective stress-
dc.subject.keywordAuthorMixture theory-
dc.subject.keywordAuthorUnsaturated flow-
dc.subject.keywordPlusFRACTURED POROUS-MEDIA-
dc.subject.keywordPlusELASTOPLASTIC CONSTITUTIVE MODEL-
dc.subject.keywordPlusWATER-RETENTION PROPERTIES-
dc.subject.keywordPlusPORE-SIZE DISTRIBUTION-
dc.subject.keywordPlusEFFECTIVE STRESS-
dc.subject.keywordPlusSTRAIN LOCALIZATION-
dc.subject.keywordPlusMATHEMATICAL FRAMEWORK-
dc.subject.keywordPlusHYDRAULIC CONDUCTIVITY-
dc.subject.keywordPlusGRANULAR-MATERIALS-
dc.subject.keywordPlusPREFERENTIAL FLOW-
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