Numerical simulation and experimental validation of ductile tearing in A106 Gr. B piping system under simulated seismic loading conditions

Hyun Suk Nam; Gyo Geun Youn; Jong Min Lee; Hune Tae Kim; Yun Jae Kim

doi:10.1177/1464420718778706

Numerical simulation and experimental validation of ductile tearing in A106 Gr. B piping system under simulated seismic loading conditions

Hyun Suk Nam, Gyo Geun Youn, Jong Min Lee, Hune Tae Kim, Yun Jae Kim

School of Mechanical Engineering

Research output: Contribution to journal › Article › peer-review

8 Citations (Scopus)

Abstract

This work presents finite element ductile tearing simulation and experimental validation of a piping system with a circumferential surface cracked (SC) A106 Gr. B pipe under simulated seismic loading condition. The damage model for simulation is based on the multiaxial fracture strain energy. The parameters in the damage model are determined from tensile and fracture toughness test results under the monotonic loading condition. For the system dynamic time history analysis, the Rayleigh damping model is employed. For cyclic constitutive equations, two models were considered to confirm its sensitivity. Predicted crack initiation and ductile tearing agree well with the experimental results.

Original language	English
Pages (from-to)	28-38
Number of pages	11
Journal	Proceedings of the Institution of Mechanical Engineers, Part L: Journal of Materials: Design and Applications
Volume	233
Issue number	1
DOIs	https://doi.org/10.1177/1464420718778706
Publication status	Published - 2019 Jan 1

Keywords

Ductile crack growth simulation
finite element damage analysis
multiaxial fracture strain energy
piping system test
simulated seismic loading

ASJC Scopus subject areas

Materials Science(all)
Mechanical Engineering

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10.1177/1464420718778706

Cite this

Nam, H. S., Youn, G. G., Lee, J. M., Kim, H. T., & Kim, Y. J. (2019). Numerical simulation and experimental validation of ductile tearing in A106 Gr. B piping system under simulated seismic loading conditions. Proceedings of the Institution of Mechanical Engineers, Part L: Journal of Materials: Design and Applications, 233(1), 28-38. https://doi.org/10.1177/1464420718778706

Numerical simulation and experimental validation of ductile tearing in A106 Gr. B piping system under simulated seismic loading conditions. / Nam, Hyun Suk; Youn, Gyo Geun; Lee, Jong Min et al.
In: Proceedings of the Institution of Mechanical Engineers, Part L: Journal of Materials: Design and Applications, Vol. 233, No. 1, 01.01.2019, p. 28-38.

Research output: Contribution to journal › Article › peer-review

Nam, HS, Youn, GG, Lee, JM, Kim, HT & Kim, YJ 2019, 'Numerical simulation and experimental validation of ductile tearing in A106 Gr. B piping system under simulated seismic loading conditions', Proceedings of the Institution of Mechanical Engineers, Part L: Journal of Materials: Design and Applications, vol. 233, no. 1, pp. 28-38. https://doi.org/10.1177/1464420718778706

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title = "Numerical simulation and experimental validation of ductile tearing in A106 Gr. B piping system under simulated seismic loading conditions",

abstract = "This work presents finite element ductile tearing simulation and experimental validation of a piping system with a circumferential surface cracked (SC) A106 Gr. B pipe under simulated seismic loading condition. The damage model for simulation is based on the multiaxial fracture strain energy. The parameters in the damage model are determined from tensile and fracture toughness test results under the monotonic loading condition. For the system dynamic time history analysis, the Rayleigh damping model is employed. For cyclic constitutive equations, two models were considered to confirm its sensitivity. Predicted crack initiation and ductile tearing agree well with the experimental results.",

keywords = "Ductile crack growth simulation, finite element damage analysis, multiaxial fracture strain energy, piping system test, simulated seismic loading",

author = "Nam, {Hyun Suk} and Youn, {Gyo Geun} and Lee, {Jong Min} and Kim, {Hune Tae} and Kim, {Yun Jae}",

note = "Funding Information: The author(s) disclosed receipt of the following financial support for the research, authorship, and/or publication of this article: This research was supported by National Research Foundation of Korea (NRF) funded by the Ministry of Science, ICT and Future Planning (NRF-2017R1A2B2009759), Republic of Korea. Publisher Copyright: {\textcopyright} IMechE 2018. Copyright: Copyright 2019 Elsevier B.V., All rights reserved.",

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N1 - Funding Information: The author(s) disclosed receipt of the following financial support for the research, authorship, and/or publication of this article: This research was supported by National Research Foundation of Korea (NRF) funded by the Ministry of Science, ICT and Future Planning (NRF-2017R1A2B2009759), Republic of Korea. Publisher Copyright: © IMechE 2018. Copyright: Copyright 2019 Elsevier B.V., All rights reserved.

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N2 - This work presents finite element ductile tearing simulation and experimental validation of a piping system with a circumferential surface cracked (SC) A106 Gr. B pipe under simulated seismic loading condition. The damage model for simulation is based on the multiaxial fracture strain energy. The parameters in the damage model are determined from tensile and fracture toughness test results under the monotonic loading condition. For the system dynamic time history analysis, the Rayleigh damping model is employed. For cyclic constitutive equations, two models were considered to confirm its sensitivity. Predicted crack initiation and ductile tearing agree well with the experimental results.

AB - This work presents finite element ductile tearing simulation and experimental validation of a piping system with a circumferential surface cracked (SC) A106 Gr. B pipe under simulated seismic loading condition. The damage model for simulation is based on the multiaxial fracture strain energy. The parameters in the damage model are determined from tensile and fracture toughness test results under the monotonic loading condition. For the system dynamic time history analysis, the Rayleigh damping model is employed. For cyclic constitutive equations, two models were considered to confirm its sensitivity. Predicted crack initiation and ductile tearing agree well with the experimental results.

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Numerical simulation and experimental validation of ductile tearing in A106 Gr. B piping system under simulated seismic loading conditions

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