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Research on Testing Adequacy Criterion of Reactor Physics Code of NESTOR

[+] Author Affiliations
Li Meng, Yang Xiao-Hua

CNNC Key Laboratory on High Trusted Computing, Hengyang, China

Wang Li-Jun, Li Yu-Yan

University of South China, Hengyang, China

Paper No. ICONE25-66383, pp. V002T03A043; 4 pages
doi:10.1115/ICONE25-66383
From:
  • 2017 25th International Conference on Nuclear Engineering
  • Volume 2: Plant Systems, Structures, Components and Materials
  • Shanghai, China, July 2–6, 2017
  • Conference Sponsors: Nuclear Engineering Division
  • ISBN: 978-0-7918-5780-9
  • Copyright © 2017 by ASME

abstract

In view of the characteristics of the physical code Nestor the focus is on the correctness of calculation for which the test adequacy criterion has been established. This is based on structural coverage and the input domain.

According to such test adequacy criterion, testing strategies have been applied on the entire testing process. They consist of unit static, unit dynamic, integration, system and regression test strategy. Each strategy is composed of test target, test range, technology and method, entry criterion, completion criterion, test focus and priority.

After compared with 11 basic benchmarks from nuclear power plants and calculation result of benchmark programs, the ELEMENT program result is correct and credible; the relative error of result is less than three percent.

The ELEMENT testing is adequacy. Its test cases covers fuel grid element types, fuel types, non-combustible grid element types, and control rod computational models. Furthermore, it puts forward a research direction in the future.

Copyright © 2017 by ASME
Topics: Physics , Testing

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