BE DRM-MD For Two-phase Flow
Through Porous Media
Author(s)
T. Samardzioska & V. Popov
Abstract
The numerical model of two-phase flow through porous media is used in many
branches of science and engineering, including groundwater hydrology, soil
science, reservoir problems in petroleum engineering, storage of radioactive or
chemical wastes, etc. Two-phase flow consists of two flowing fluids, which do
not interchange mass and do not have reaction with the solid matrix. The
equations governing the two-phase flow through porous media are special cases
of general balance laws. From a numerical point of view, due to the high
nonlinearity of the governing equations and their strong coupling, the simulation
provides a challenging numerical problem, even when simplifying assumptions
are invoked. A new numerical scheme based on the dual reciprocity method –
multi domain (DRM-MD) for the numerical simulation is presented. The
efficiency of the method is proved on one and two dimensional two-phase flow
examples.
1 Introduction
Numerical simulation of multiphase flow through fractured rocks is important in
many branches of science and engineering. Hydrologists, agricultural engineers,
soil physicists and others have for many years been concerned with fluid
movement in air-water porous media systems. In the most recent years,
environmental concerns and search for secure atomic waste depositories and for
remediation strategies for contaminated aquifers raised more interest in the
movement of fluids in the so-called vadose or unsaturated zone interposed
between the atmosphere and the groundwater (saturated zone). Many potential
Keywords
Related Book
Other papers in this volume
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