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- Material Type
- 規格・テクニカルリポート類
- Author/Editor
- 山野 秀将藤田 哲史飛田 吉春近藤 悟守田 幸路菅谷 正昭水野 正弘細野 正剛近藤 哲平
- Publication Date
- 2003-08
- Publication Date (W3CDTF)
- 2003
- Alternative Title
- SIMMER-IV: A Three-Dimensional Computer Program for LMFR Core Disruptive Accident Analysis; Version 2.A Model Summary and Program Description
- Periodical title
- JNC TN9400 2003-070
- Target Audience
- 一般
- Note (General)
- 出版タイプ： NAAn advanced safety analysis computer code, SIMMER-III, has been developed at Japan Nuclear Cycle Development Institute (JNC) to more realistically investigate postulated core disruptive accidents in liquid-metal fast reactors. The two-dimensional framework of SIMMER-III fluid dynamics has been extended to three dimensions to a new code, SIMMER-IV, which is currently (in Version 2) coupled with the three-dimensional neutronics model. With the completion of the SIMMER-IV version, the applicability of the code is further enhanced and the many of the known limitations in SIMMER-III are eliminated. The sample calculations demonstrated the general validity of SIMMER-IV. This report describes SIMMER-IV Version 2.A, by documenting the models, numerical algorithms and code features, along with the program description and input and output information to aid the users.核燃料サイクル開発機構(サイクル機構)では、高速炉における仮想的な炉心損傷事故をより合理的に評価するために、新たな安全解析コードSIMMER-III開発・検証を進めてきた。この開発成果に基づき、SIMMER-IIIの2次元流体力学モデルを3次元に拡張したSIMMER-IVコードの開発を行った。本報告書に述べる第2版(Version 2)では、核計算部は3次元中性子輸送モデルを採用している。SIMMER-IVの完成により、SIMMERコードの適用範囲はさらに拡大し、これまでのSIMMER-IIIの2次元コードであるが故の限界が解消される。本報告書にも記載したサンプル計算を通じて、SIMMER-IVの基本的性能と妥当性が確認されている。本報告書は、SIMMER-IV Version 2.Aの利用者のために必要な情報を記載している。詳細なプログラム解説に加えて、各要素物理モデル、数値計算アルゴリズム及びコードの特徴について述べる。
- Source
- /JNC-TN9400-2003-070.pdf （fulltext）