About: Modeling of Bentonite Hydration Using Nonlinear Diffusion Model

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://www.wseas.us/e-library/conferences/2013/Brasov/MMIC/MMIC-20.pdf
Description	We deal with a modeling of bentonite behavior during the hydration process. Bentonite is a type of clay with water adsorption and swelling ability. It leads to a complex nonlinear behavior in contact with water and to nontrivial problems for numerical solution. In our work, we deal with a model problem of water transport as a point inflow from the rock fractures which brings asymmetric and nonhomogeneous conditions unlike the existing studies with simpler uniform hydration. The problem is solved using nonlinear diffusion equation. In contrast to other porous materials, the formulation requires deriving special nonlinear diffusivity coefficients for bentonite. We use finite element method within the commercial software ANSYS for the numerical solution. An additional improvement in the problem solution is brought by multi-scale approach: a simpler 2D axisymmetric model with one fracture in larger scale which is used for an estimation of boundary conditions for small-scale 3D models with several variously distributed fractures, in particular a third-type condition with a non-linear relation between the saturation (the primary variable) and flux (a derivative). We deal with a modeling of bentonite behavior during the hydration process. Bentonite is a type of clay with water adsorption and swelling ability. It leads to a complex nonlinear behavior in contact with water and to nontrivial problems for numerical solution. In our work, we deal with a model problem of water transport as a point inflow from the rock fractures which brings asymmetric and nonhomogeneous conditions unlike the existing studies with simpler uniform hydration. The problem is solved using nonlinear diffusion equation. In contrast to other porous materials, the formulation requires deriving special nonlinear diffusivity coefficients for bentonite. We use finite element method within the commercial software ANSYS for the numerical solution. An additional improvement in the problem solution is brought by multi-scale approach: a simpler 2D axisymmetric model with one fracture in larger scale which is used for an estimation of boundary conditions for small-scale 3D models with several variously distributed fractures, in particular a third-type condition with a non-linear relation between the saturation (the primary variable) and flux (a derivative). (en)
Title	Modeling of Bentonite Hydration Using Nonlinear Diffusion Model Modeling of Bentonite Hydration Using Nonlinear Diffusion Model (en)
skos:prefLabel	Modeling of Bentonite Hydration Using Nonlinear Diffusion Model Modeling of Bentonite Hydration Using Nonlinear Diffusion Model (en)
skos:notation	RIV/46747885:24220/13:#0002834!RIV14-MPO-24220___
http://linked.open...avai/riv/aktivita	P S
http://linked.open...avai/riv/aktivity	P(FR-TI1/362), S
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Škarydová, Ilona
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Technická univerzita v Liberci / Fakulta mechatroniky, informatiky a mezioborových studií
http://linked.open...dnocenehoVysledku	88855
http://linked.open...ai/riv/idVysledku	RIV/46747885:24220/13:#0002834
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	bentonite; numerical simulation; nonlinear diffusion equation; nonlinear boundary condition (en)
http://linked.open.../riv/klicoveSlovo	bentonite numerical simulation nonlinear boundary condition nonlinear diffusion equation
http://linked.open...ontrolniKodProRIV	[339DD143F192]
http://linked.open...v/mistoKonaniAkce	Brasov, Romania
http://linked.open...i/riv/nazevZdroje	Mathematical Models in Engineering & Computer Science
http://linked.open...in/vavai/riv/obor	DL
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...vavai/riv/projekt	Research of properties of materials for safe disposal of radioactive waste and development of procedures for their assessment
http://linked.open...UplatneniVysledku	2013
http://linked.open...iv/tvurceVysledku	Hokr, Milan Škarydová, Ilona
http://linked.open...vavai/riv/typAkce	EUR - Evropská
http://linked.open.../riv/zahajeniAkce	2013-01-01 (xsd:date)
number of pages	6 (xsd:int)
http://purl.org/ne...btex#hasPublisher	WSEAS Press
https://schema.org/isbn	9781618041944
http://localhost/t...ganizacniJednotka	24220

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