T-Stress solutions for a semi-elliptical axial surface crack in a cylinder subjected to mode-I non-uniform stress distributions

Material type: その他

Author: MESHII, Toshiyukiほか

Publisher: Pergamon Press

Publication date: 2010-09

Material Format: Digital

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Note (General)：: 出版タイプ： AOThis paper presents the T-stress solutions (T11 and T33) for semi-elliptical axial surface cracks in a cylinder subjected to mode-I non-unifo...

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Material Type: その他
Title: T-Stress solutions for a semi-elliptical axial surface crack in a cylinder subjected to mode-I non-uniform stress distributions
Author/Editor: MESHII, Toshiyuki
TANAKA, Tomohiro
LU, Kai
Author Heading: MESHII, Toshiyuki
TANAKA, Tomohiro
LU, Kai
Publication, Distribution, etc.: Pergamon Press
Publication Date: 2010-09
Publication Date (W3CDTF): 2010
Periodical title: Engineering Fracture Mechanics
No. or year of volume/issue: 77 13
Volume: 77
Issue: 13
Pages: 2467-2478
Subject Heading: Fracture mechanics
Finite element analysis
Elastic T-stress
Superposition principle
Constraint effect
Surface crack
Non-uniform stress distribution
nternal pressure
Cylinder
Target Audience: 一般
Note (General): 出版タイプ： AO
This paper presents the T-stress solutions (T11 and T33) for semi-elliptical axial surface cracks in a cylinder subjected to mode-I non-uniform stress on the crack surface. Two cylindrical geometries with inner radius (Ri) to wall thickness (t) ratios Ri/t = 5 and 10 were considered. The T-stresses were applied along the crack front for normalized crack depth values a/t of 0.2, 0.4 and 0.5 and aspect ratios a/c of 0.2, 0.4, 0.6 and 1.0. Three stress distribution; uniform, linear and parabolic were applied to the crack face. In addition to these solutions, concrete formulation of the superposition principle is given for the T33-stress, which is known as an elastic parameter that describes the out-of-plane crack tip constraint effect. Then, the validity of the formulation was shown through application of our T-stress solutions to the problem of an axial semi-elliptical surface crack in a cylinder subjected to internal pressure, and checking that the principle of superposition holds for the problem.
Data Provider (Database): 国立情報学研究所 : 学術機関リポジトリデータベース（IRDB）（機関リポジトリ）
https://irdb.nii.ac.jp
Original Data Provider (Database): 福井大学 : 福井大学学術機関リポジトリ