In this work the structural reliability of the circumferentially cracked core support mount of Monju Fast Breeder Reactor (FBR) is analyzed using Finite Element Analysis (FEA). The 3D shell model employed was derived after detailed evaluation of the core support mount behavior with a specific 3D solid model. First, elastoplastic static analysis results show that, under nominal operating conditions, the overall structure would be able to survive a total loss of the core support mount. Second, using the double elastic slope method it was inferred that earthquake loading integrity could be warranted up to a crack representing more than 50% of the total circumference. Both results highlight the ample primary loading margins taken in the design of Monju’s reactor core support structures. Furthermore, the developed 3D shell FEA model will be applied to study other extreme cases such as those under severe accident conditions.
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2014 22nd International Conference on Nuclear Engineering
July 7–11, 2014
Prague, Czech Republic
Conference Sponsors:
- Nuclear Engineering Division
ISBN:
978-0-7918-4589-9
PROCEEDINGS PAPER
3D FEA Elastoplastic Structural Analysis of Hypothetically Cracked Monju FBR Core Support Structures
Daniel Garcia-Rodriguez,
Daniel Garcia-Rodriguez
Japanese Atomic Energy Agency (JAEA), Oarai, Ibaraki, Japan
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Shinichiro Matsubara
Shinichiro Matsubara
Japanese Atomic Energy Agency (JAEA), Tsuruga, Fukui, Japan
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Daniel Garcia-Rodriguez
Japanese Atomic Energy Agency (JAEA), Oarai, Ibaraki, Japan
Shinichiro Matsubara
Japanese Atomic Energy Agency (JAEA), Tsuruga, Fukui, Japan
Paper No:
ICONE22-30382, V001T03A014; 9 pages
Published Online:
November 17, 2014
Citation
Garcia-Rodriguez, D, & Matsubara, S. "3D FEA Elastoplastic Structural Analysis of Hypothetically Cracked Monju FBR Core Support Structures." Proceedings of the 2014 22nd International Conference on Nuclear Engineering. Volume 1: Plant Operations, Maintenance, Engineering, Modifications, Life Cycle and Balance of Plant; Nuclear Fuel and Materials; Plant Systems, Structures and Components; Codes, Standards, Licensing and Regulatory Issues. Prague, Czech Republic. July 7–11, 2014. V001T03A014. ASME. https://doi.org/10.1115/ICONE22-30382
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