NDLI: Simulation of 3D flow with gravity forces in a porous medium

Content Provider	Springer Nature Link
Author	Froysa, Kristin Guldbrandsen Froyen, Johnny Espedal, Magne S.
Copyright Year	2000
Abstract	Recently an operator splitting technique for convection diffusion equations, originating in porous medium flow, has been developed and analysed for one and two space dimensional models. The method is based on a solution of a modified hyperbolic problem which is used to approximate the original equation in a second step. The main objective of this paper is to investigate these algorithms for three dimensional porous media models, where handling of the gravity term is a main issue. The balance between the external pressure and the gravity may give a velocity field which is vanishing and may change sign in parts of the computational domain. This type of problem is dificult to solve accurately. Two different solution approaches are tested for accuracy, stability and computational costs.
Starting Page	121
Ending Page	131
Page Count	11
File Format	PDF
ISSN	14329360
Journal	Computing and Visualization in Science
Volume Number	3
Issue Number	3
Language	English
Publisher	Springer-Verlag
Publisher Date	2000-08-01
Publisher Place	Berlin Heidelberg
Access Restriction	Subscribed
Content Type	Text
Resource Type	Article
Subject	Theoretical Computer Science Engineering Computational Theory and Mathematics Computer Vision and Pattern Recognition Modeling and Simulation Software

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Simulation of 3D flow with gravity forces in a porous medium