J-integral estimate for circumferential cracked pipes under primary and secondary stress in R6, RCC-MR A16

Hyun Suk Nam, Chang Young Oh, Yun Jae Kim

研究成果: Article

抜粋

This paper provides a comparison of the J-integral estimation method under combined primary and secondary stress in the R6, RCC-MR A16 code. The comparisons of each code are based on finite element analysis using ABAQUS with regard to the crack shape, crack depth, and magnitude of secondary load. The estimate of the R6 code is conservative near Lr = 1, and that of the RCC-MR A16 code is conservative near Lr = 0. As a result, this paper proposes a modified method of J-integral estimation in the R6, RCC-MR A16 code. The J-integral using the modified method corresponds to the finite element analysis result.

元の言語English
ページ(範囲)631-640
ページ数10
ジャーナルTransactions of the Korean Society of Mechanical Engineers, A
37
発行部数5
DOI
出版物ステータスPublished - 2013 5
外部発表Yes

ASJC Scopus subject areas

  • Mechanical Engineering

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