4012 地球シミュレータを用いた大規模亀裂ネットワークによる地下水及び物質移行解析(F-2 フォーラム「地球シミュレータにおける最適化およびハイエンドシミュレーション」)

概要

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Groundwater flow and mass transport analyses in fractured rock play a central role in the performance assessment of the High-Level Radioactive Waste repository. Recently the FFDF code, a Monte Carlo code for mass transport in fractured rock, was developed by UCB, which is able to calculate groundwater flow and mass transport by PC for a host rock of 10 square meters, with hundreds of fractures. In this study, FFDF code was transplanted to Earth Simulator and groundwater flow and mass transport analyses for a large-scale fracture network with more than a hundred thousand fractures are performed. The computational capability needed for repository scale simulation is evaluated by using the FFDF code.
2005-11-17