Document Details

Hydrodynamic Modelling of the Original Steady State and LPT2 Experiments
Y, Barthelemy [Schwartz J, Sebti K]
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Document Location:
DOE INFORMATION CENTER 1 Way, Oak Ridge, TN 37831; Eva Butler; Phone: 865-241-4780; Toll-Free: 800-382-6938, Option 6; FAX: 865-574-3521; Email:
Document Categories:
Science and Technology\Geology, Hydrology, Seismology, Site Studies
Document Type:
Publication Date:
1994 Dec 31
Declassification Status:
Never classified
Document Pages:
Accession Number:
Document Number(s):
Originating Research Org.:
Swedish Nuclear Fuel and Waste CO.
OpenNet Entry Date:
1995 Jul 31
The modelling of natural and forced hydrodynamic behaviour of Aspo site has been performed with a finite differences code,MARTHE, taking into account the flow in the porous matrix and in 22 large individualized fractures. Due to many uncertainties on hydrodynamic and geometeric parameters , a true calibration of the model was not actually performed, but sensitivity tests have been achieved in order to assess the robustness and accuraccy of the conceptual model. This one is judged as a pretty good compromise, even if some hydraulic discrepancies exist, probably caused by some missing fractures such as EW-X. The transport simulations performed with,SESAME, using a Random Walk particle tracking method, gave rather good results for Uranine and Rhenium-186 tracer tests . The differences between observed and simulated breakthrough curves, especially in NNW-1 fracture, could be once again in relation with a missing fracture such as EW-X

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