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Modeling of Waste/Near Field Interactions for a Waste Repository in Bedded Salt: The Dynamic Network (DNET) Model

Published online by Cambridge University Press:  21 February 2011

Robert M. Cranwell
Robert M. Cranwell*
Affiliation:
Sandia National Laboratories Albuquerque, New Mexico, USA
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Abstract

The Fuel Cycle Risk Analysis Division of Sandia National Laboratories has been funded by the U.S. Nuclear Regulatory Commission to develop a methodology for use in assessing the long-term risk from the disposal of radioactive wastes in deep geologic formations. As part of this program, the Dynamic Network (DNET) model was developed to investigate waste/near field interactions associated with the disposal of radioactive wastes in bedded salt formations. The model is a quasi-multi-dimensional network model with capabilities for simulating processes such as fluid flow, heat transport, salt dissolution, salt creep, and the effects of thermal expansion and subsidence on the rock units surrounding the repository. The use of DNET has been demonstrated in the analysis of a hypothetical disposal site containing a bedded salt formation as the host medium for the repository [1]. An example of this demonstration analysis is discussed. Furthermore, the outcome of sensitivity analyses performed on the DNET model are presented.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 15: Symposium D – Scientific Basis for Nuclear Waste Management VI , 1982 , 507
Copyright
Copyright © Materials Research Society 1983

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References

REFERENCES

1. Cranwell, R. M., Campbell, J. E., Iman, R. L., Longsine, D. E., Helton, J., Shortencarier, M. and Runkle, G., Risk Methodology for Geologic Disposal of Radioactive Wastes: Final Report, SAND81–2573, NUREG/CR-2452, Sandia National Laboratories, Albuquerque, NM (1982).Google Scholar
2. Cranwell, R. M., Campbell, J. and Stuckwisch, S., Risk Methodology for Geologic Disposal of Radioactive Wastes: The DNET Camputer Code User's Manual, SAND81–1663, NUREG/CR-2343, Sandia National Laboratories, Albuquerque, NM (1982).Google Scholar
3. Campbell, J., Dillon, R., Tierney, M., Davis, H., McGrath, P., Pearson, F. Jr., Shaw, H. Helton, J. and Donath, F., Risk Methodology for Geologic Disposal of Radioactive Wastes: Interim Report, SAND78–0029, NUREG/CR-0458, Sandia National Laboratories, Albuquerque, NM (1978).Google Scholar
4. Cranwell, R. M., Iman, R. L. and Stuckwisch, S., DNET Model Sensitivity Analysis, Sandia National Laboratories (to appear).Google Scholar