Application of energy-based damage model to simulate ductile fracture under cyclic loading and validation against piping system test data

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

doi:10.1115/PVP201884861

Application of energy-based damage model to simulate ductile fracture under cyclic loading and validation against piping system test data

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

School of Mechanical Engineering

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

Abstract

In this paper, a method to predict ductile fracture under low cyclic loading condition is proposed. Then it is compared with test results of surface cracked pipes which is conducted by Battelle Institute. A&F nonlinear kinematic hardening model is adopted to describe material behavior under cyclic loading condition and energy-based damage model is applied to simulate ductile crack growth. The energy-based damaged model is depending on multi-axial fracture strain energy. To apply this model, two parameters should be determined from tensile and C(T) test results under monotonic loading condition. One is multi-axial fracture strain energy W_f and the other is critical damage value °_c . From the determined damaged model, it is enable to simulate surface cracked pipe tests under low cyclic loading condition.

Original language	English
Title of host publication	Materials and Fabrication
Publisher	American Society of Mechanical Engineers (ASME)
ISBN (Electronic)	9780791851678
DOIs	https://doi.org/10.1115/PVP201884861
Publication status	Published - 2018
Event	ASME 2018 Pressure Vessels and Piping Conference, PVP 2018 - Prague, Czech Republic Duration: 2018 Jul 15 → 2018 Jul 20

Publication series

Name	American Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) PVP
Volume	6A-2018
ISSN (Print)	0277-027X

Other

Other	ASME 2018 Pressure Vessels and Piping Conference, PVP 2018
Country/Territory	Czech Republic
City	Prague
Period	18/7/15 → 18/7/20

Bibliographical note

Funding Information:
This work was supported by the Korea Institute of Energy Technology Evaluation and Planning (KETEP), and the Ministry of Trade, Industry & Energy(MOTIE) of the Republic of Korea (No. 20141520100860, No. 20171510102050), by National Research Foundation of Korea(NRF) funded by the Ministry of Science and ICT. (NRF-2017R1A2B2009759)

Publisher Copyright:
Copyright © 2018 ASME.

ASJC Scopus subject areas

Mechanical Engineering

Access to Document

10.1115/PVP201884861

Cite this

Youn, G. G., Nam, H. S., Kim, H. T., Lee, J. M., & Kim, Y. J. (2018). Application of energy-based damage model to simulate ductile fracture under cyclic loading and validation against piping system test data. In Materials and Fabrication (American Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) PVP; Vol. 6A-2018). American Society of Mechanical Engineers (ASME). https://doi.org/10.1115/PVP201884861

Application of energy-based damage model to simulate ductile fracture under cyclic loading and validation against piping system test data. / Youn, Gyo Geun; Nam, Hyun Suk; Kim, Hune Tae et al.
Materials and Fabrication. American Society of Mechanical Engineers (ASME), 2018. (American Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) PVP; Vol. 6A-2018).

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

Youn, GG, Nam, HS, Kim, HT, Lee, JM & Kim, YJ 2018, Application of energy-based damage model to simulate ductile fracture under cyclic loading and validation against piping system test data. in Materials and Fabrication. American Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) PVP, vol. 6A-2018, American Society of Mechanical Engineers (ASME), ASME 2018 Pressure Vessels and Piping Conference, PVP 2018, Prague, Czech Republic, 18/7/15. https://doi.org/10.1115/PVP201884861

Youn GG, Nam HS, Kim HT, Lee JM, Kim YJ. Application of energy-based damage model to simulate ductile fracture under cyclic loading and validation against piping system test data. In Materials and Fabrication. American Society of Mechanical Engineers (ASME). 2018. (American Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) PVP). doi: 10.1115/PVP201884861

Youn, Gyo Geun ; Nam, Hyun Suk ; Kim, Hune Tae et al. / Application of energy-based damage model to simulate ductile fracture under cyclic loading and validation against piping system test data. Materials and Fabrication. American Society of Mechanical Engineers (ASME), 2018. (American Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) PVP).

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abstract = "In this paper, a method to predict ductile fracture under low cyclic loading condition is proposed. Then it is compared with test results of surface cracked pipes which is conducted by Battelle Institute. A&F nonlinear kinematic hardening model is adopted to describe material behavior under cyclic loading condition and energy-based damage model is applied to simulate ductile crack growth. The energy-based damaged model is depending on multi-axial fracture strain energy. To apply this model, two parameters should be determined from tensile and C(T) test results under monotonic loading condition. One is multi-axial fracture strain energy Wf and the other is critical damage value °c . From the determined damaged model, it is enable to simulate surface cracked pipe tests under low cyclic loading condition.",

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AB - In this paper, a method to predict ductile fracture under low cyclic loading condition is proposed. Then it is compared with test results of surface cracked pipes which is conducted by Battelle Institute. A&F nonlinear kinematic hardening model is adopted to describe material behavior under cyclic loading condition and energy-based damage model is applied to simulate ductile crack growth. The energy-based damaged model is depending on multi-axial fracture strain energy. To apply this model, two parameters should be determined from tensile and C(T) test results under monotonic loading condition. One is multi-axial fracture strain energy Wf and the other is critical damage value °c . From the determined damaged model, it is enable to simulate surface cracked pipe tests under low cyclic loading condition.

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Application of energy-based damage model to simulate ductile fracture under cyclic loading and validation against piping system test data

Abstract

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ASJC Scopus subject areas

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