放射性核種移行のマクロシミュレーション(<小特集>環境問題とシミュレーション技術)

概要

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In safety assessment of radioactive waste facilities, understanding of a migration behavior of radionuclide in the geosphere has been required. Simulation scale in proportion to the object in each analysis must be minded, because the radionuclide migrates with the groundwater in artificial barrier materials in the disposal facility and porous medium or fracture media around the disposal facility. Also, the migration of the radionuclide is the long-term phenomenon that comes from several decades to several million-year scales, and simultaneously, it must also consider timerelated characteristic change of the artificial barrier material and the stratum. Therefore, the spatially and temporally multi- scale simulation seems to be important in the simulation of the migration behavior of the radionuclide. In this paper, role of the simulation research, future problem are arranged in safety assessment of the radioactive waste facilities, the simulation example of nuclide migration concerning the disposal of radioactive waste are introduced.
日本シミュレーション学会の論文
2002-03-15