Benchmark analysis of ductile fracture simulation for circumferentially cracked pipes subjected to bending

Naoki Miura, Tomohisa Kumagai, Masanori Kikuchi, Akiyuki Takahashi, Yun-Jae Kim, Toshio Nagashima, Yoshitaka Wada

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

In this study, some benchmark problems on fracture tests for circumferentially through-wall/surface cracked pipes were provided. The participants predicted the ductile crack propagation behavior by their own approaches, including nucleation, growth, and coalescence of voids simulated by Gurson model, ductile crack propagation using stress modified fracture strain (SMFS) model, J-integral based ductile crack propagation using XFEM, CTOA based ductile crack propagation using FEM, stress triaxiality and plastic strain (STPS) based ductile crack propagation using FEM, and ductile crack propagation using peridynamics. Among them, GTN, CTOA and STPS models were not applied to surface crack problems. Discrepancies between the experimental maximum loads and calculated maximum loads were within 10% in most cases and 25% in the maximum case. Element size dependency of analysis parameters were considered in SMFS and GTN models while those were determined from independent material tests. Gurson model can predict slanting crack propagation directions. XFEM which did not need analysis fitting parameters cannot analyze beyond the peaks of load-LPD curves. Crack propagation directions were given and fixed in both CTOA and STPS models. Parameters in Gurson model and peridynamics were optimized to reproduce load-LPD curve in one of the benchmark problems.

Original languageEnglish
Title of host publicationMaterials and Fabrication
PublisherAmerican Society of Mechanical Engineers (ASME)
Volume6A-2017
ISBN (Electronic)9780791857991
DOIs
Publication statusPublished - 2017 Jan 1
EventASME 2017 Pressure Vessels and Piping Conference, PVP 2017 - Waikoloa, United States
Duration: 2017 Jul 162017 Jul 20

Other

OtherASME 2017 Pressure Vessels and Piping Conference, PVP 2017
CountryUnited States
CityWaikoloa
Period17/7/1617/7/20

Fingerprint

Ductile fracture
Crack propagation
Pipe
Plastic deformation
Finite element method
Coalescence
Nucleation
Cracks

ASJC Scopus subject areas

  • Mechanical Engineering

Cite this

Miura, N., Kumagai, T., Kikuchi, M., Takahashi, A., Kim, Y-J., Nagashima, T., & Wada, Y. (2017). Benchmark analysis of ductile fracture simulation for circumferentially cracked pipes subjected to bending. In Materials and Fabrication (Vol. 6A-2017). American Society of Mechanical Engineers (ASME). https://doi.org/10.1115/PVP2017-65548

Benchmark analysis of ductile fracture simulation for circumferentially cracked pipes subjected to bending. / Miura, Naoki; Kumagai, Tomohisa; Kikuchi, Masanori; Takahashi, Akiyuki; Kim, Yun-Jae; Nagashima, Toshio; Wada, Yoshitaka.

Materials and Fabrication. Vol. 6A-2017 American Society of Mechanical Engineers (ASME), 2017.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Miura, N, Kumagai, T, Kikuchi, M, Takahashi, A, Kim, Y-J, Nagashima, T & Wada, Y 2017, Benchmark analysis of ductile fracture simulation for circumferentially cracked pipes subjected to bending. in Materials and Fabrication. vol. 6A-2017, American Society of Mechanical Engineers (ASME), ASME 2017 Pressure Vessels and Piping Conference, PVP 2017, Waikoloa, United States, 17/7/16. https://doi.org/10.1115/PVP2017-65548
Miura N, Kumagai T, Kikuchi M, Takahashi A, Kim Y-J, Nagashima T et al. Benchmark analysis of ductile fracture simulation for circumferentially cracked pipes subjected to bending. In Materials and Fabrication. Vol. 6A-2017. American Society of Mechanical Engineers (ASME). 2017 https://doi.org/10.1115/PVP2017-65548
Miura, Naoki ; Kumagai, Tomohisa ; Kikuchi, Masanori ; Takahashi, Akiyuki ; Kim, Yun-Jae ; Nagashima, Toshio ; Wada, Yoshitaka. / Benchmark analysis of ductile fracture simulation for circumferentially cracked pipes subjected to bending. Materials and Fabrication. Vol. 6A-2017 American Society of Mechanical Engineers (ASME), 2017.
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