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Modeling fluid flow in fractured media using continuum, network and discrete aproaches

Vandersteen, K., Roels, S., Carmeliet, J. and Feyen, J.
2002
6th Symposium on Building Physics in the Nordic Countries, Trondheim, Norway, Jun 17

Vandersteen, K., Roels, S., Carmeliet, J. and Feyen, J., (2002), "Modeling fluid flow in fractured media using continuum, network and discrete aproaches", 6th Symposium on Building Physics in the Nordic Countries, Trondheim, Norway, Jun 17.
Abstract:
INTRODUCTION

Durability of civil engineering structures is strongly influenced by the presence of fractures, since they modify significantly the fluid transfer properties. Until some decades ago, fractures were considered as consisting of two parallel plates, the flow of which could easily be described using the Poiseuille equation. Over the past years, several experimental studies however have indicated that natural fractures are characterized by a variable aperture, which can considerably affect its flow properties. The variability of the fracture aperture causes the fracture to behave differently from parallel plate geometry. In this paper, we explicitly describe the fluid flow in discrete well-defined cracks, either without or with interaction between fracture and matrix domains. Comparison is made with the case in which the flow in the fracture is modeled using a continuum approach. The advantages and disadvantages of both modeling approaches are discussed.
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Author Information and Other Publications Notes
Vandersteen, K.
     
Roels, S.
Department of Civil Engineering Laboratory of Building Physics Catholic University of Leuven, Belgium
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Carmeliet, J.
Department of Civil Engineering Laboratory of Building Physics, Catholic University of Leuven, Belgium
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Feyen, J.
     


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