Evaluation of crack propagation behaviors in a T-shaped tubular joint employing tetrahedral FE modeling

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• 作者：Kazuhisa Yagi^a ; ^e ; ^{k-yagi@sanoyas.co.jp} ; Satoyuki Tanaka^b ; ^{satoyuki@hiroshima-u.ac.jp} ; Takahiro Kawahara^b ; ^{m146691@hiroshima-u.ac.jp} ; Kanta Nihei^c ; ^{nihei_kanta@khi.co.jp} ; Hiroshi Okada^d ; ^{hokada@rs.noda.tus.ac.jp} ; Naoki Osawa^e ; ^{osawa@naoe.eng.osaka-u.ac.jp}
• 关键词：Tubular joint ; Fracture mechanics ; Crack propagation simulation ; Finite elements ; Fatigue testing
• 刊名：International Journal of Fatigue
• 出版年：2017
• 出版时间：March 2017
• 年：2017
• 卷：96
• 期：Complete
• 页码：270-282
• 全文大小：4085 K
• 卷排序：96

文摘

Fracture behavior in a T-shaped tubular joint is examined. Tetrahedral FE modeling is adopted to perform crack propagation simulation. The numerical results are compared with the fatigue testing results. The doubly-curved geometry of the developed surface crack is discussed by the SIFs.