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- Title
Comparison Between Analytical and Numerical Methods in Evaluating the Pollution Transport in Porous Media.
- Authors
Estabragh, A.; Pereshkafti, M.; Javadi, A.
- Abstract
Contaminant transport modelling in environmental engineering is generally conducted to evaluate the potential impact of contaminant migration on the subsurface environment or for interpreting tracer tests or groundwater quality data. In the past few decades a number of mathematical models have been established for evaluating the migration of pollution as indicated in the literature. This paper presents a comparison between a number of analytical and numerical models in evaluating pollution transport in soils. Three analytical models and a finite element model developed in this research are used for comparing four numerical examples under different conditions. Four cases of advection dominated problem with line source boundary, advection dominated problem with semi-line source boundary, advection-dispersion-sorption problem with line source boundary and advection-dispersion-sorption problem with semi-line source are considered. Based on the results the best analytical model that has a higher accuracy is recommended for practical applications.
- Subjects
POROUS materials; GROUNDWATER quality; ARABLE land; ENVIRONMENTAL engineering; FINITE element method
- Publication
Geotechnical & Geological Engineering, 2013, Vol 31, Issue 1, p93
- ISSN
0960-3182
- Publication type
Article
- DOI
10.1007/s10706-012-9566-6