Using either a ΓΏnite element or ΓΏnite-di erence method to solve radionuclide waste transport problems involving advection, dispersion, decay and transformation simultaneously is numerically complicated. Most applications have used only one-dimensional transport and extending this approach to higher-
3D simulation of radionuclide transport in porous media
β Scribed by Fabien Marpeau; Mazen Saad
- Publisher
- John Wiley and Sons
- Year
- 2009
- Tongue
- English
- Weight
- 734 KB
- Volume
- 64
- Category
- Article
- ISSN
- 0271-2091
- DOI
- 10.1002/fld.2139
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β¦ Synopsis
Abstract
We present an efficient and easily implementable finite volume method simulating radionuclide transport through highly heterogeneous grounds in three space dimensions. The numerical concentration of the transported chemicals are proved to remain nonnegative and stable.
Then, we run a realistic test case in which some radioactive iodine I^129^ particles are released from a leak in an underground nuclear waste disposal site. The question of whether the radionuclide invades the underground and reach the ground surface is investigated.
Because of the 3D nature of the problem, a particular emphasis is made on the control of CPU time. Copyright Β© 2009 John Wiley & Sons, Ltd.
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