Verification and Validation of Core Mechanical Performance Code ARKAS with IAEA Benchmark Problems, (II).

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概要

• 論文の詳細を見る

• Verification and validation of the "ARKAS" code, using problems defined in the IWGFR Coordinated Research Programme (CRP) for the comparison of LMFBR Core Mechanics Codes, are discussed. The problems to be used in the verification (code against code) and validation (code against experiment) were defined and calculated by 11 core mechanics codes from 9 countries. The solutions obtained by these codes were compared in two steps, the first step consisting of Stage 1 "Verification", and the second step including Stage 1A "Advanced verification" and Stage 2 "Validation". The results of the first step for ARKAS, a core structural mechanics code, were presented and discussed in a previous paper. This paper describes some typical ARKAS results in detail, and compares them with the average values taken from solutions obtained by participants in the CRP. This corresponds to the second step ; Stage 1A and Stage 2. All the problems have been completed and were solved using ARKAS. Predictions made by ARKAS agreed very well with other solutions to the advanced verification problems, except in the case of problems involving high friction. As for validation problems based on Japanese ex-reactor 2-D thermo-elastic experiments, the agreement between measured and calculated values by ARKAS was fairly good.

• 一般社団法人 日本原子力学会の論文

著者

• NAKAGAWA Masatoshi

  Nuclear Engineering Laboratory, Toshiba Corp.

関連論文

• Verification and Validation of Core Mechanical Performance Code ARKAS with IAEA Benchmark Problems, (II).

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