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

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

Original languageEnglish
Title of host publicationMaterials and Fabrication
PublisherAmerican Society of Mechanical Engineers (ASME)
ISBN (Electronic)9780791851678
DOIs
Publication statusPublished - 2018 Jan 1
Externally publishedYes
EventASME 2018 Pressure Vessels and Piping Conference, PVP 2018 - Prague, Czech Republic
Duration: 2018 Jul 152018 Jul 20

Publication series

NameAmerican Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) PVP
Volume6A-2018
ISSN (Print)0277-027X

Conference

ConferenceASME 2018 Pressure Vessels and Piping Conference, PVP 2018
CountryCzech Republic
CityPrague
Period18/7/1518/7/20

ASJC Scopus subject areas

  • Mechanical Engineering

Fingerprint Dive into the research topics of 'Application of energy-based damage model to simulate ductile fracture under cyclic loading and validation against piping system test data'. Together they form a unique fingerprint.

  • 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