Multiobjective Mixed Integer Nonlinear Model to Plan the Schedule for the Final Disposal of the Spent Nuclear Fuel in Finland

Outi Montonen, Ville-Pekka Eronen, Timo Ranta, Jani A. S. Huttunen and Marko M. Mäkelä
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Outi Montonen: Department of Mathematics and Statistics, University of Turku, FI-20014 Turku, Finland
Ville-Pekka Eronen: Department of Mathematics and Statistics, University of Turku, FI-20014 Turku, Finland
Timo Ranta: Department of Mathematics and Statistics, University of Turku, FI-20014 Turku, Finland
Jani A. S. Huttunen: Teollisuuden Voima Oyj, Olkiluoto, 27160 Eurajoki, Finland
Marko M. Mäkelä: Department of Mathematics and Statistics, University of Turku, FI-20014 Turku, Finland

Mathematics, 2020, vol. 8, issue 4, 1-29

Abstract: The safe disposal of the spent nuclear fuel is the important part of the nuclear power production. In this paper, we model the geological disposal in Finland covering objectives related to the interim storage, the encapsulation facility, the disposal facility, and the costs. A notable fact is that all the fuel types used in Finland are taken into account. The resulting optimization model is of a multiobjective nonlinear mixed integer type having eight objectives. The model is solved with the interactive method utilizing the special type of the achievement scalarizing functions. From this, we obtain a disposal schedule giving amounts of canisters to encapsulate in each time period. The results obtained are analyzed from the practical point of view.

Keywords: achievement scalarizing functions; interactive method; multiobjective optimization; spent nuclear fuel disposal (search for similar items in EconPapers)
JEL-codes: C (search for similar items in EconPapers)
Date: 2020
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