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Report No.

A Methodology of structural analysis for nuclear power plant size of assembly

Tani, Masayuki; Nakajima, Norihiro  ; Nishida, Akemi  ; Suzuki, Yoshio   ; Matsubara, Hitoshi; Araya, Fumimasa; Kushida, Noriyuki; Hazama, Osamu; Kondo, Makoto; Kawasaki, Kozo

The quakeproof analysis for an assembly structure such as a nuclear power plant should not be calculated as a piece of structure as existed structural analyses as do so, because of heterogeneity of each part in the functionality, which relates to the boundary condition. As well known that nuclear power plant consists of over ten million detailed parts, it takes lots of computational resources such as memory, disk space, and computational power to carry out its analysis. In order to achieve the assembly structure analysis, it is to give an efficient performance method, a treatable data handling method, and taking account the heterogeneity of each part in the functionality. The proposed method is to treat a power plant size assembly with its components. The components are handled by one by one to reduce the size of data at a operation, and to concern heterogeneity of each part.



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