Fatigue crack propagation under biaxial tensile loading - Effect of the phase difference on biaxial loading

Koji Gotoh, Toshio Niwa, Yosuke Anai, Tetsuya Omori, Yoshihisa Tanaka, Koji Murakami

研究成果: Chapter in Book/Report/Conference proceedingConference contribution

抄録

Fatigue crack propagation under biaxial tensile loading is highlighted in this study. Ships and offshore structures are subjected to many types of loading, e.g. wave induced forces, gravity, and inertia forces. Generally, these loadings have different axial components with different phases. However, the structural integrities of structures and vessels are evaluated according to design codes based on theoretical and experimental investigations under a uniaxial loading condition. Most of these codes are based on the S-N curves approach. An approach that does not use S-N curves has been favored by researchers, with the fracture mechanics approach preferred for evaluating the fatigue life of structures. An advanced fracture mechanics approach was developed based on the Re-tensile Plastic zone Generating (RPG) stress criterion for fatigue crack propagation. In this study, fatigue crack propagation tests under biaxial loading with four different phase conditions are performed and the effect of the phase difference under biaxial loading is evaluated. A numerical simulation method of fatigue crack propagation based on the RPG stress criterion under different biaxial loading phase conditions is presented and compared to measured data.

本文言語英語
ホスト出版物のタイトルASME 2013 32nd International Conference on Ocean, Offshore and Arctic Engineering, OMAE 2013
DOI
出版ステータス出版済み - 2013
イベントASME 2013 32nd International Conference on Ocean, Offshore and Arctic Engineering, OMAE 2013 - Nantes, フランス
継続期間: 6 9 20136 14 2013

出版物シリーズ

名前Proceedings of the International Conference on Offshore Mechanics and Arctic Engineering - OMAE
3

その他

その他ASME 2013 32nd International Conference on Ocean, Offshore and Arctic Engineering, OMAE 2013
Countryフランス
CityNantes
Period6/9/136/14/13

All Science Journal Classification (ASJC) codes

  • Ocean Engineering
  • Energy Engineering and Power Technology
  • Mechanical Engineering

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