Modelling Flow And Solute Transport In Fractured Porous Media
Author(s)
A. Peratta & V. Popov
Abstract
Modelling flow and solute transport in
fractured porous media
A. Peratta & V. Popov
Wessex Institute of Technology, Souuthampton, UK
Abstract
A BEM numerical model is presented for the flow and solute transport in
fractured porous media, which is based on the dual reciprocity method - multi
domain scheme (DRM-MD). The model solves the 3D flow equation based on
the Darcy law in the coupled system of porous media, fracture network and
fracture intersections. Unlike the discrete fracture models, which for simplicity
use Fick's law in the porous media, the present model solves the complete 3D
advection-dispersion equation with reaction, which is then coupled with the other
two models, the fracture network and the fracture intersections. In this work the
developed model is used for long-term risk assessment of hazardous waste
disposal in underground abandoned mines. The following sections describe three
different models: the continuum model (3D), the discrete-fracture model (2D)
and the fracture in
Keywords
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