Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.11851/1539
Title: A Peridynamic Model for Ductile Fracture of Moderately Thick Plates
Authors: Yolum, Uğur
Taştan, Ahmet
Güler, Mehmet Ali
Keywords: peridynamics
fracture mechanics
finite element analysis
nonlocal
failure
Publisher: Elsevier Science Bv
Source: Yolum, U., Taştan, A., & Güler, M. A. (2016). A peridynamic model for ductile fracture of moderately thick plates. Procedia Structural Integrity, 2, 3713-3720.
Abstract: This paper presents an effective modeling technique for propagation of mode I cracks in ductile materials using Peridynamics Implemented Finite Element Analysis (PDIFEA) in ABAQUS. Peridynamics is a nonlocal theory which removes the restrictions of fracture modeling in classical continuum mechanics. PDIFEA models of different Compact Tension (CT) specimens are generated using truss elements. The yield stretch of a bond is analytically determined by equating total force across fracture surface in yield state and experimentally measured yield strength of the material. The critical stretch of the bond is related to critical strain energy release rate. A new constitutive model is proposed for the bond failure which depends on yield stretch and critical stretch value. Load versus crack mouth opening displacement results are calculated and validated with the published results in the open literature. Based on the results obtained in this study, it can be indicated that PDIFEA with proposed constitutive model for two-dimensional is capable of capturing ductile damage in CT specimens. Copyright (C) 2016 The Authors. Published by Elsevier B.V.
URI: https://www.sciencedirect.com/science/article/pii/S2452321616304802
https://hdl.handle.net/20.500.11851/1539
ISSN: 2452-3216
Appears in Collections:Makine Mühendisliği Bölümü / Department of Mechanical Engineering
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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