Based on detailed three-dimensional (3-D) finite element (FE) limit analyses, the plastic limit load solutions for pipes with slanted circumferential through-wall cracks (TWCs) subjected to axial tension, global bending and internal pressure are reported. The FE model and analysis procedure employed in the present numerical study were validated by comparing the present FE results with existing solutions for plastic limit loads of pipes with idealized TWCs. To quantify the effect of slanted crack on plastic limit load, the slant correction factors for calculating plastic limit loads of pipes with slanted TWCs from pipes with idealized TWCs were newly proposed via extensive 3-D FE calculations. These slant correction factors are presented in a tabulated form for practical ranges of geometry and each loading conditions. Moreover, the present FE plastic limit loads were also compared with the existing solutions of pipes with slanted TWCs. These FE plastic limit load solutions can be applied to estimate elastic-plastic fracture mechanics parameters and creep fracture mechanics parameters, such as elastic-plastic J–integral and crack opening displacement, creep C*-integral and creep crack opening displacement, based on the reference stress concept considering more realistic crack shape.
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ASME 2011 Pressure Vessels and Piping Conference
July 17–21, 2011
Baltimore, Maryland, USA
Conference Sponsors:
- Pressure Vessels and Piping Division
ISBN:
978-0-7918-4451-9
PROCEEDINGS PAPER
Plastic Limit Loads for Slanted Circumferential Through-Wall Cracked Pipes Based on Finite Element Limit Analysis
Hyun-Min Jang,
Hyun-Min Jang
Sungkyunkwan University, Suwon, Gyeonggi, Republic of Korea
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Doo-Ho Cho,
Doo-Ho Cho
Sungkyunkwan University, Suwon, Gyeonggi, Republic of Korea
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Jae-Boong Choi,
Jae-Boong Choi
Sungkyunkwan University, Suwon, Gyeonggi, Republic of Korea
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Young-Jin Kim,
Young-Jin Kim
Sungkyunkwan University, Suwon, Gyeonggi, Republic of Korea
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Nam-Su Huh,
Nam-Su Huh
Seoul National University of Science and Technology, Seoul, Republic of Korea
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Do-Jun Shim,
Do-Jun Shim
Engineering Mechanics Corporation of Columbus, Columbus, OH
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Young-Hwan Choi,
Young-Hwan Choi
Korea Institute of Nuclear Safety, Daejeon, Republic of Korea
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Jeong-Soon Park
Jeong-Soon Park
Korea Institute of Nuclear Safety, Daejeon, Republic of Korea
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Hyun-Min Jang
Sungkyunkwan University, Suwon, Gyeonggi, Republic of Korea
Doo-Ho Cho
Sungkyunkwan University, Suwon, Gyeonggi, Republic of Korea
Jae-Boong Choi
Sungkyunkwan University, Suwon, Gyeonggi, Republic of Korea
Young-Jin Kim
Sungkyunkwan University, Suwon, Gyeonggi, Republic of Korea
Nam-Su Huh
Seoul National University of Science and Technology, Seoul, Republic of Korea
Do-Jun Shim
Engineering Mechanics Corporation of Columbus, Columbus, OH
Young-Hwan Choi
Korea Institute of Nuclear Safety, Daejeon, Republic of Korea
Jeong-Soon Park
Korea Institute of Nuclear Safety, Daejeon, Republic of Korea
Paper No:
PVP2011-57583, pp. 519-524; 6 pages
Published Online:
May 21, 2012
Citation
Jang, H, Cho, D, Choi, J, Kim, Y, Huh, N, Shim, D, Choi, Y, & Park, J. "Plastic Limit Loads for Slanted Circumferential Through-Wall Cracked Pipes Based on Finite Element Limit Analysis." Proceedings of the ASME 2011 Pressure Vessels and Piping Conference. Volume 1: Codes and Standards. Baltimore, Maryland, USA. July 17–21, 2011. pp. 519-524. ASME. https://doi.org/10.1115/PVP2011-57583
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