A Poroelasticity Model Using a Network-Inspired Porosity-Permeability Relation

M. Rahrah, F.J. Vermolen, L.A. Lopez Pena, B.J. Meulenbroek

Research output: Chapter in Book/Conference proceedings/Edited volumeConference contributionScientificpeer-review

Abstract

Compressing a porous material or injecting fluid into a porous material can induce changes in the pore space, leading to a change in porosity and permeability. In a continuum scale PDE model, such as Biot’s theory of linear poroelasticity, the Kozeny–Carman equation is commonly used to determine the permeability of the porous medium from the porosity. The Kozeny–Carman relation assumes that there will be flow through the porous medium at a certain location as long as the porosity is larger than zero at this location. In contrast, from discrete network models it is known that percolation thresholds larger than zero exist, indicating that the fluid will stop flowing if the average porosity becomes smaller than a certain value dictated by these thresholds. In this study, the difference between the Kozeny–Carman equation and the equation based on the percolation theory, is investigated.
Original languageEnglish
Title of host publicationProgress in Industrial Mathematics at ECMI 2018
EditorsIstván Faragó, Ferenc Izsák, Péter L. Simon
Place of PublicationCham
PublisherSpringer
Pages83 - 88
Number of pages6
Volume30
ISBN (Electronic)978-3-030-27550-1
ISBN (Print)978-3-030-27549-5
DOIs
Publication statusPublished - 2019
Event20th European Conference on Mathematics for Industry - Budapest, Hungary
Duration: 18 Jun 201822 Jun 2018
Conference number: 20

Publication series

NameMathematics in Industry
Volume30
ISSN (Print)1612-3956
ISSN (Electronic)2198-3283

Conference

Conference20th European Conference on Mathematics for Industry
Abbreviated titleECMI 2018
Country/TerritoryHungary
CityBudapest
Period18/06/1822/06/18

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