In this paper, the crack propagation in ductile materials is simulated under cyclic and dynamic loading. The adaptive finite element method is used to model the discontinuity due to crack propagation. The ductile fracture assumptions and continuum damage mechanics are utilized to model the material rupture behavior. Moreover both the rate-independent and rate-dependent constitutive equations are elaborated and the crack closure effect and combined hardening model are discussed in addition to some aspects of finite element implementation. Finally, a comparison is performed between the numerical simulation results and those of experiments to illustrate the robustness of proposed computational algorithm. (C) 2012 Elsevier Ltd. All rights reserved.
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Jiangxi Acad Water Sci & Engn, Nanchang 330029, Jiangxi, Peoples R China
Jiangxi Prov Technol Innovat Ctr Ecol Water Engn, Nanchang 330095, Jiangxi, Peoples R ChinaJiangxi Acad Water Sci & Engn, Nanchang 330029, Jiangxi, Peoples R China
Liu, Zhi
Zhang, Li
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Hohai Univ, Coll Water Conservancy & Hydropower Engn, Nanjing 210098, Peoples R ChinaJiangxi Acad Water Sci & Engn, Nanchang 330029, Jiangxi, Peoples R China
Zhang, Li
Zhao, Lanhao
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Hohai Univ, Coll Water Conservancy & Hydropower Engn, Nanjing 210098, Peoples R ChinaJiangxi Acad Water Sci & Engn, Nanchang 330029, Jiangxi, Peoples R China
Zhao, Lanhao
Wu, Zihan
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Nanchang Univ, Sch Infrastruct Engn, Nanchang 330031, Jiangxi, Peoples R ChinaJiangxi Acad Water Sci & Engn, Nanchang 330029, Jiangxi, Peoples R China
Wu, Zihan
Guo, Bowen
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Yellow River Inst Hydraul Res, Zhengzhou 450003, Peoples R ChinaJiangxi Acad Water Sci & Engn, Nanchang 330029, Jiangxi, Peoples R China
机构:
Univ Alabama, Dept Mech & Aerosp Engn, Huntsville, AL 35899 USAUniv Alabama, Dept Mech & Aerosp Engn, Huntsville, AL 35899 USA
Zuo, Q. H.
Disilvestro, D.
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Univ Alabama, Dept Mech & Aerosp Engn, Huntsville, AL 35899 USAUniv Alabama, Dept Mech & Aerosp Engn, Huntsville, AL 35899 USA
Disilvestro, D.
Richter, J. D.
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Univ Alabama, Dept Mech & Aerosp Engn, Huntsville, AL 35899 USA
NASA, George C Marshall Space Flight Ctr, Huntsville, AL 35812 USAUniv Alabama, Dept Mech & Aerosp Engn, Huntsville, AL 35899 USA