An $h$-Adaptive Operator Splitting Method for Two-Phase Flow in 3D Heterogeneous Porous Media

2013 ◽  
Vol 35 (1) ◽  
pp. B149-B175 ◽  
Author(s):  
Chih-Che Chueh ◽  
Ned Djilali ◽  
Wolfgang Bangerth
Keyword(s):  
Porous Media ◽  
Two Phase Flow ◽  
Operator Splitting ◽  
Splitting Method ◽  
Heterogeneous Porous Media ◽  
Phase Flow ◽  
Two Phase ◽  
Operator Splitting Method

Accuracy of the Operator Splitting Technique for Two-Phase Flow With Stiff Source Terms

2002 ◽  
Author(s):  
Iztok Tiselj ◽  
Andrej Horvat
Keyword(s):  
Two Phase Flow ◽  
Fluid Model ◽  
Operator Splitting ◽  
Splitting Method ◽  
Water Hammer ◽  
Phase Flow ◽  
Hydraulic Systems ◽  
Source Terms ◽  
Two Phase ◽  
Splitting Technique

Code for analysis of the water hammer in thermal-hydraulic systems is being developed within the WAHALoads project founded by the European Commission [1]. Code will be specialized for the simulations of the two-phase water hammer phenomena with the two-fluid model of two-phase flow. The proposed numerical scheme is a two-step second-order accurate scheme with operator splitting; i.e. convection and sources are treated separately. Operator splitting technique is a very simple and “easy-to-use” tool, however, when the source terms are stiff, operator splitting method becomes a source of a specific non-accuracy, which behaves as a numerical diffusion. This type of error is analyzed in the present paper.

A Procedure for Upscaling Two-Phase Flow in 2D Heterogeneous porous Media

2003 ◽  
Author(s):  
G.A. Virnovsky ◽  
T. Kløv ◽  
P.E. Øren ◽  
J.Â. Stensen ◽  
T.R. Lerdahl ◽  
...  
Keyword(s):  
Porous Media ◽  
Two Phase Flow ◽  
Heterogeneous Porous Media ◽  
Phase Flow ◽  
Two Phase
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