Applicability of net-section collapse load approach to maximum load predictions of multiple circumferential cracked pipes: Numerical study

Myeong Woo Lee; Seung Jae Kim; So Dam Lee; Jun Young Jeon; Yun Jae Kim

doi:10.1115/PVP201545437

Applicability of net-section collapse load approach to maximum load predictions of multiple circumferential cracked pipes: Numerical study

Myeong Woo Lee, Seung Jae Kim, So Dam Lee, Jun Young Jeon, Yun Jae Kim

School of Mechanical Engineering

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

Abstract

To estimate maximum load-carrying capacity of pipes with multiple circumferential cracks, the net-section collapse load approach has been proposed. Although the proposed method has been validated against pipe test data, experimental data are quite limited due to large sets of variables to be considered. In this paper, a numerical method is proposed to generate virtual pipe test data with wide ranges of crack geometry and interspacing. To get confidence of the proposed numerical method, it is firstly applied to simulate existing 4-inch diameter schedule 80 pipes with two circumferential cracks. Predicted maximum loads agree well with experimental data. Then the proposed method is applied to generate maximum loads for wider ranges of crack geometry and loading conditions. It is found that the net-section collapse load approach works well for all cases considered.

Original language	English
Title of host publication	Materials and Fabrication
Publisher	American Society of Mechanical Engineers (ASME)
ISBN (Electronic)	9780791856994, 9780791856994, 9780791856994, 9780791856994
DOIs	https://doi.org/10.1115/PVP201545437
Publication status	Published - 2015
Event	ASME 2015 Pressure Vessels and Piping Conference, PVP 2015 - Boston, United States Duration: 2015 Jul 19 → 2015 Jul 23

Publication series

Name	American Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) PVP
Volume	6A-2015
ISSN (Print)	0277-027X

Other

Other	ASME 2015 Pressure Vessels and Piping Conference, PVP 2015
Country/Territory	United States
City	Boston
Period	15/7/19 → 15/7/23

Bibliographical note

Funding Information:
This work was supported by the Energy Efficiency & Resources Core Technology Program of the Korea Institute of Energy Technology Evaluation and Planning (KETEP), granted financial resource from the Ministry of Trade, Industry & Energy, Republic of Korea. (No. 20131520202170) This research was supported by National Research Foundation of Korea (NRF) funded by the Ministry of Science, ICT and Future Planning. (NRF-2013M2A7A1076396) This research was supported by Engineering Research Center Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Science, ICT and Future Planning. (NRF-2007-0056094)

Publisher Copyright:
Copyright © 2015 by ASME.

ASJC Scopus subject areas

Mechanical Engineering

Access to Document

10.1115/PVP201545437

Cite this

Lee, M. W., Kim, S. J., Lee, S. D., Jeon, J. Y., & Kim, Y. J. (2015). Applicability of net-section collapse load approach to maximum load predictions of multiple circumferential cracked pipes: Numerical study. In Materials and Fabrication (American Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) PVP; Vol. 6A-2015). American Society of Mechanical Engineers (ASME). https://doi.org/10.1115/PVP201545437

Applicability of net-section collapse load approach to maximum load predictions of multiple circumferential cracked pipes: Numerical study. / Lee, Myeong Woo; Kim, Seung Jae; Lee, So Dam et al.
Materials and Fabrication. American Society of Mechanical Engineers (ASME), 2015. (American Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) PVP; Vol. 6A-2015).

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

Lee, MW, Kim, SJ, Lee, SD, Jeon, JY & Kim, YJ 2015, Applicability of net-section collapse load approach to maximum load predictions of multiple circumferential cracked pipes: Numerical study. in Materials and Fabrication. American Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) PVP, vol. 6A-2015, American Society of Mechanical Engineers (ASME), ASME 2015 Pressure Vessels and Piping Conference, PVP 2015, Boston, United States, 15/7/19. https://doi.org/10.1115/PVP201545437

Lee MW, Kim SJ, Lee SD, Jeon JY, Kim YJ. Applicability of net-section collapse load approach to maximum load predictions of multiple circumferential cracked pipes: Numerical study. In Materials and Fabrication. American Society of Mechanical Engineers (ASME). 2015. (American Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) PVP). doi: 10.1115/PVP201545437

Lee, Myeong Woo ; Kim, Seung Jae ; Lee, So Dam et al. / Applicability of net-section collapse load approach to maximum load predictions of multiple circumferential cracked pipes : Numerical study. Materials and Fabrication. American Society of Mechanical Engineers (ASME), 2015. (American Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) PVP).

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title = "Applicability of net-section collapse load approach to maximum load predictions of multiple circumferential cracked pipes: Numerical study",

abstract = "To estimate maximum load-carrying capacity of pipes with multiple circumferential cracks, the net-section collapse load approach has been proposed. Although the proposed method has been validated against pipe test data, experimental data are quite limited due to large sets of variables to be considered. In this paper, a numerical method is proposed to generate virtual pipe test data with wide ranges of crack geometry and interspacing. To get confidence of the proposed numerical method, it is firstly applied to simulate existing 4-inch diameter schedule 80 pipes with two circumferential cracks. Predicted maximum loads agree well with experimental data. Then the proposed method is applied to generate maximum loads for wider ranges of crack geometry and loading conditions. It is found that the net-section collapse load approach works well for all cases considered.",

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note = "Funding Information: This work was supported by the Energy Efficiency & Resources Core Technology Program of the Korea Institute of Energy Technology Evaluation and Planning (KETEP), granted financial resource from the Ministry of Trade, Industry & Energy, Republic of Korea. (No. 20131520202170) This research was supported by National Research Foundation of Korea (NRF) funded by the Ministry of Science, ICT and Future Planning. (NRF-2013M2A7A1076396) This research was supported by Engineering Research Center Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Science, ICT and Future Planning. (NRF-2007-0056094) Publisher Copyright: Copyright {\textcopyright} 2015 by ASME.; ASME 2015 Pressure Vessels and Piping Conference, PVP 2015 ; Conference date: 19-07-2015 Through 23-07-2015",

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N1 - Funding Information: This work was supported by the Energy Efficiency & Resources Core Technology Program of the Korea Institute of Energy Technology Evaluation and Planning (KETEP), granted financial resource from the Ministry of Trade, Industry & Energy, Republic of Korea. (No. 20131520202170) This research was supported by National Research Foundation of Korea (NRF) funded by the Ministry of Science, ICT and Future Planning. (NRF-2013M2A7A1076396) This research was supported by Engineering Research Center Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Science, ICT and Future Planning. (NRF-2007-0056094) Publisher Copyright: Copyright © 2015 by ASME.

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N2 - To estimate maximum load-carrying capacity of pipes with multiple circumferential cracks, the net-section collapse load approach has been proposed. Although the proposed method has been validated against pipe test data, experimental data are quite limited due to large sets of variables to be considered. In this paper, a numerical method is proposed to generate virtual pipe test data with wide ranges of crack geometry and interspacing. To get confidence of the proposed numerical method, it is firstly applied to simulate existing 4-inch diameter schedule 80 pipes with two circumferential cracks. Predicted maximum loads agree well with experimental data. Then the proposed method is applied to generate maximum loads for wider ranges of crack geometry and loading conditions. It is found that the net-section collapse load approach works well for all cases considered.

AB - To estimate maximum load-carrying capacity of pipes with multiple circumferential cracks, the net-section collapse load approach has been proposed. Although the proposed method has been validated against pipe test data, experimental data are quite limited due to large sets of variables to be considered. In this paper, a numerical method is proposed to generate virtual pipe test data with wide ranges of crack geometry and interspacing. To get confidence of the proposed numerical method, it is firstly applied to simulate existing 4-inch diameter schedule 80 pipes with two circumferential cracks. Predicted maximum loads agree well with experimental data. Then the proposed method is applied to generate maximum loads for wider ranges of crack geometry and loading conditions. It is found that the net-section collapse load approach works well for all cases considered.

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Applicability of net-section collapse load approach to maximum load predictions of multiple circumferential cracked pipes: Numerical study

Abstract

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