Engineering Fracture Mechanics 162 (2016) 324–340 Contents lists available at ScienceDirect Engineering Fracture Mechanics journal homepage: www.elsevier.com/locate/engfracmech Brittle crack propagation/arrest behavior in steel plate – Part I: Model formulation a,⇑ a a,1 b Kazuki Shibanuma , Fuminori Yanagimoto , Tetsuya Namegawa , Katsuyuki Suzuki , Shuji Aihara Department of Systems Innovation, The University of Tokyo, Japan Research into Artifacts, Center for Engineering, The University of Tokyo, Japan article i nfo ab stra ct Article history: A formulation to simulate brittle crack propagation/arrest behavior in steel plates is pro- Received 1 July 2015 posed based on the local fracture criterion. The crack behavior is simulated within a short Received in revised form 11 February 2016 time by repeated calculations solving the simultaneous governing equations at the crack Accepted 12 February 2016 front: (a) fracture condition, (b) strain hardening, (c) yield point and (d) dynamic stress Available online 2 April 2016 intensity factor, without any arbitrary parameters and any complicated procedures. The crack is predicted to be arrested when the above simultaneous equations do not give Keywords: any solutions or when the uncracked side-ligaments cover all the thickness of the plate Brittle fracture at the crack front. Crack propagation 2016 Elsevier
Engineering Fracture Mechanics – Elsevier
Published: Aug 1, 2016
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