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移行パラメータ信頼性評価手法の確立

A Study about the Certainty Evaluation of Nuclear Transport Parameter

吉野 尚人; 梨本 裕*; 松井 幹雄*; 伊藤 節男*; 野本 康介*

Yoshino, Naoto; Nashimoto, Yutaka*; Matsui, Mikio*; Ito, Setsuo*; Nomoto, Kosuke*

本業務では、地下水流動解析に必要な調査試験データや、解析で求められる値の空間的なバラツキの定量化を目的として、1)透水係数設定方法の整理とその分散の定量化手法の検討、2)確率論による浸透流解析に基づく評価項目のバラツキの定量化手法の開発、3)二次元鉛直断面における事例検討、について検討を行った。

In this paper authors focused on the uncertainty of the groundwater modeling, and following three issues are examined in order to estimate the spatial variance in the modeling field quantitatively; 1.The method to estimate the hydraulic conductivity and quantify the variability of estimated hydraulic conductivity. 2.The quantification of the key parameter's variability based on probability flow rate analysis. 3.Case study by the vertical two dimensional field.

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