Estimation of the shape evolution and the growth history of an embedded crack by fatigue loading

Koji Gotoh; Keisuke Harada; Yosuke Anai

doi:10.1115/OMAE2011-49457

Estimation of the shape evolution and the growth history of an embedded crack by fatigue loading

Koji Gotoh, Keisuke Harada, Yosuke Anai

Ship and Marine Structure

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

Fatigue life estimation for planar cracks, e.g. part-through surface cracks or embedded cracks is very important because most of fatigue cracks found in welded built-up structures show planar crack morphologies. Fatigue crack growth behaviour of an embedded crack in welded joints is investigated in this study. The estimation procedure of crack shape evolution for an embedded crack is introduced and validation of the estimation procedure of fatigue crack growth based on the numerical simulation of fatigue crack growth with EDS concept for an embedded crack is performed. The validity of the proposed shape evolution estimation method and the fatigue crack growth simulation based on the fracture mechanics approach with EDS concept are confirmed.

Original language	English
Title of host publication	ASME 2011 30th International Conference on Ocean, Offshore and Arctic Engineering, OMAE2011
Pages	277-284
Number of pages	8
DOIs	https://doi.org/10.1115/OMAE2011-49457
Publication status	Published - 2011
Event	ASME 2011 30th International Conference on Ocean, Offshore and Arctic Engineering, OMAE2011 - Rotterdam, Netherlands Duration: Jun 19 2011 → Jun 24 2011

Publication series

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

Other

Other	ASME 2011 30th International Conference on Ocean, Offshore and Arctic Engineering, OMAE2011
Country/Territory	Netherlands
City	Rotterdam
Period	6/19/11 → 6/24/11

All Science Journal Classification (ASJC) codes

Ocean Engineering
Energy Engineering and Power Technology
Mechanical Engineering

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10.1115/OMAE2011-49457

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Gotoh, K., Harada, K., & Anai, Y. (2011). Estimation of the shape evolution and the growth history of an embedded crack by fatigue loading. In ASME 2011 30th International Conference on Ocean, Offshore and Arctic Engineering, OMAE2011 (pp. 277-284). (Proceedings of the International Conference on Offshore Mechanics and Arctic Engineering - OMAE; Vol. 3). https://doi.org/10.1115/OMAE2011-49457

Estimation of the shape evolution and the growth history of an embedded crack by fatigue loading. / Gotoh, Koji; Harada, Keisuke; Anai, Yosuke.
ASME 2011 30th International Conference on Ocean, Offshore and Arctic Engineering, OMAE2011. 2011. p. 277-284 (Proceedings of the International Conference on Offshore Mechanics and Arctic Engineering - OMAE; Vol. 3).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Gotoh, K, Harada, K & Anai, Y 2011, Estimation of the shape evolution and the growth history of an embedded crack by fatigue loading. in ASME 2011 30th International Conference on Ocean, Offshore and Arctic Engineering, OMAE2011. Proceedings of the International Conference on Offshore Mechanics and Arctic Engineering - OMAE, vol. 3, pp. 277-284, ASME 2011 30th International Conference on Ocean, Offshore and Arctic Engineering, OMAE2011, Rotterdam, Netherlands, 6/19/11. https://doi.org/10.1115/OMAE2011-49457

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abstract = "Fatigue life estimation for planar cracks, e.g. part-through surface cracks or embedded cracks is very important because most of fatigue cracks found in welded built-up structures show planar crack morphologies. Fatigue crack growth behaviour of an embedded crack in welded joints is investigated in this study. The estimation procedure of crack shape evolution for an embedded crack is introduced and validation of the estimation procedure of fatigue crack growth based on the numerical simulation of fatigue crack growth with EDS concept for an embedded crack is performed. The validity of the proposed shape evolution estimation method and the fatigue crack growth simulation based on the fracture mechanics approach with EDS concept are confirmed.",

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AB - Fatigue life estimation for planar cracks, e.g. part-through surface cracks or embedded cracks is very important because most of fatigue cracks found in welded built-up structures show planar crack morphologies. Fatigue crack growth behaviour of an embedded crack in welded joints is investigated in this study. The estimation procedure of crack shape evolution for an embedded crack is introduced and validation of the estimation procedure of fatigue crack growth based on the numerical simulation of fatigue crack growth with EDS concept for an embedded crack is performed. The validity of the proposed shape evolution estimation method and the fatigue crack growth simulation based on the fracture mechanics approach with EDS concept are confirmed.

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Estimation of the shape evolution and the growth history of an embedded crack by fatigue loading

Abstract

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