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※ 半角英数字
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Development on computer system of the coupled thermo-hydro-mechanical and chemical process in the near-field of the high-level radioactive waste repository

高レベル放射廃棄物処分場ニアフィールドにおける熱-水-応力-化学連成現象にかかわる解析システムの開発

藤田 朝雄; 藤崎 淳; 鈴木 英明*; 川上 進; 油井 三和; 千々松 正和*; 根山 敦*; 石原 義尚*; 菱谷 智幸*

Fujita, Tomo; Fujisaki, Kiyoshi; Suzuki, Hideaki*; Kawakami, Susumu; Yui, Mikazu; Chijimatsu, Masakazu*; Neyama, Atsushi*; Ishihara, Yoshinao*; Hishiya, Tomoyuki*

ニアフィールドの長期挙動を予測評価するために、熱-水-応力-化学連成現象にかかわる数値実験を行ってきている。本論では、これまでに開発してきた熱-水-応力-化学連成モデルに新たに脱ガス,ガス拡散,濃縮・希釈現象,イオン交換,表面反応,速度論を考慮したモデルについて論ずるとともに、事例解析結果について示す。

We have initiated a research on the coupled Thermo-Hydro-Mechanical-Chemical (THMC) processes and are trying to carry out numerical experiments on the coupled THMC processes in order to predict the near-field long-term evolution. This paper describes the modified THMC model to add on the function of de-gases and gases diffusion, accumulation and dilution phenomena for mass transport analysis, and of ionic exchange, surface reaction and kinetic reaction for geochemical analysis. And also the results of demonstration study with THMC code are shown.

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