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Simulation of transport column experiments - tracing tests

Žabka, Vratislav;  Šembera, Jan — 2010

Programs and Algorithms of Numerical Mathematics

This paper presents the modelling of tracing tests in column experiments. Program Transport was used for the simulation. Its main function is not to predict results of experiments but to compare influence of individual physical and chemical processes to the experiment results. The one-dimensional advection-diffusion model is based on Finite Volume Method; it includes the triple porosity concept, sorption, retardation, and chemical reactions simulated using connected program React from The Geochemist's...

A novel approach to modelling of flow in fractured porous medium

Jan Šembera;  Jiří Maryška;  Jiřina Královcová;  Otto Severýn — 2007

Kybernetika

There are many problems of groundwater flow in a disrupted rock massifs that should be modelled using numerical models. It can be done via “standard approaches” such as increase of the permeability of the porous medium to account the fracture system (or double-porosity models), or discrete stochastic fracture network models. Both of these approaches appear to have their constraints and limitations, which make them unsuitable for the large- scale long-time hydrogeological calculations. In the article,...

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