Zobrazeno 1 - 10
of 42
pro vyhledávání: '"Hyun-Suk Nam"'
Publikováno v:
Energies, Vol 14, Iss 11, p 3269 (2021)
The main purpose of this study is to investigate the feasibility of the seismic fragility analysis (FA) with the strain-based failure modes for the nuclear metal components retaining pressure boundary. Through this study, it is expected that we can f
Externí odkaz:
https://doaj.org/article/ba8b70fd48a34cf9904405b3b103c95c
Publikováno v:
Nuclear Engineering and Technology, Vol 48, Iss 5, Pp 1252-1263 (2016)
This paper presents a numerical method to simulate ductile tearing in cracked components under high strain rates using finite element damage analysis. The strain rate dependence on tensile properties and multiaxial fracture strain is characterized by
Externí odkaz:
https://doaj.org/article/2eee2c72198942d8bd520c511890a654
Publikováno v:
Energies; Volume 14; Issue 11; Pages: 3269
Energies, Vol 14, Iss 3269, p 3269 (2021)
Energies, Vol 14, Iss 3269, p 3269 (2021)
The main purpose of this study is to investigate the feasibility of the seismic fragility analysis (FA) with the strain-based failure modes for the nuclear metal components retaining pressure boundary. Through this study, it is expected that we can f
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d14ab9c9a36609916faf1afa1f2a27fb
Publikováno v:
Proceedings of the Institution of Mechanical Engineers, Part L: Journal of Materials: Design and Applications. 233:28-38
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 base
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::153eb2ca39de19c3fa48c51d35add6d6
https://doi.org/10.1177/1464420718778706
https://doi.org/10.1177/1464420718778706
Publikováno v:
Engineering Fracture Mechanics. 194:175-189
In this paper, a method to simulate ductile crack growth under very low-cycle fatigue loading condition is given and simulation results are compared with published test data of compact tension specimens and circumferential through-wall cracked pipes.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6861d083cfe8a1067a981fd5ee17238f
https://doi.org/10.1016/j.engfracmech.2018.02.025
https://doi.org/10.1016/j.engfracmech.2018.02.025
Publikováno v:
Procedia Structural Integrity. 13:1297-1304
In this paper, a method to predict the fracture toughness of thermally-aged CF8A under cyclic loading condition is proposed. The FE damage model based on multi-axial fracture strain energy is applied for the prediction. The predicted results are comp
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0ea4b963650bed1bb905490293ed4054
https://doi.org/10.1016/j.prostr.2018.12.274
https://doi.org/10.1016/j.prostr.2018.12.274
Publikováno v:
International Journal of Mechanical Sciences. 135:609-620
This paper presents a ductile crack growth simulation method for monotonic and reverse cyclic loading with large-scale yielding using the damage model based on the multi-axial fracture strain energy. The damage model has two parameters which can be d
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::458aa3c6b69ec2b7aa353b3ac23846d9
https://doi.org/10.1016/j.ijmecsci.2017.11.037
https://doi.org/10.1016/j.ijmecsci.2017.11.037
Publikováno v:
International Journal of Pressure Vessels and Piping. 159:35-44
This paper presents ductile fracture simulation using the GTN (Gurson-Tvergaard-Needleman) model of through-wall cracked STPT410 carbon steel pipe test under pure bending. Three issues related to practical application are addressed; (i) how to determ
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b26f28c6cf24018672b3eaf315f74cda
https://doi.org/10.1016/j.ijpvp.2017.11.006
https://doi.org/10.1016/j.ijpvp.2017.11.006
Publikováno v:
Procedia Structural Integrity. 13:1305-1311
In this research, the effect of thermal ageing for CF8A is studied under displacement-controlled low cycle fatigue. Virtual tests of pipe and pipe system are considered and they have the same shape and loading conditions as the pipe and pipe systems
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::16a47b6c5088ea8ccb841941f42d1718
https://doi.org/10.1016/j.prostr.2018.12.275
https://doi.org/10.1016/j.prostr.2018.12.275
Publikováno v:
The Journal of Strain Analysis for Engineering Design. 52:177-189
This article presents an energy-based method to simulate ductile tearing under dynamic loading conditions. The strain rate–dependent material properties are characterized by the Johnson–Cook-type model. The damage model is defined based on the mu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ab04587eb99be18c58dc7b94d5b8d5f1
https://doi.org/10.1177/0309324717696609
https://doi.org/10.1177/0309324717696609