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A differentiable variational model for structural self-contact and fracture. [PDF]
Eng ComputCiceri M +4 more
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Mesh variational r-adaptivity for sharp modeling of brittle fracture
Dony G, Moës N, Remacle J.
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Engineering Fracture Mechanics, 2011
Abstract In this paper a new method is presented to determine the crack-tip opening displacement (CTOD) for the center cracked plate with uniaxial uniform tension load. The maximum crack opening displacement (MCOD) is adopted to estimate CTOD. Based on the series of calculation results by elastic–plastic finite element simulation, an explicit ...
Huang Yi +3 more
exaly +2 more sources
Abstract In this paper a new method is presented to determine the crack-tip opening displacement (CTOD) for the center cracked plate with uniaxial uniform tension load. The maximum crack opening displacement (MCOD) is adopted to estimate CTOD. Based on the series of calculation results by elastic–plastic finite element simulation, an explicit ...
Huang Yi +3 more
exaly +2 more sources
Overstraining effects on the crack-opening displacement of microstructurally short cracks
Materials Science & Engineering A: Structural Materials: Properties, Microstructure and Processing, 2005The influence of different overstraining events on the crack-opening displacement of microstructurally short cracks in polycrystalline nickel was investigated. Both symmetric and asymmetric overstraining experiments were carried out and the influence of increasing overstraining ratio and number of overstraining cycles was analysed.
Anja Weidner +2 more
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Crack opening displacement and propagation rate of microstructurally short cracks
Materials Science & Engineering A: Structural Materials: Properties, Microstructure and Processing, 2003Crack opening displacement (COD) along the edges of microstructurally short fatigue cracks in austenitic stainless steel was investigated in situ in the SEM. The measured plastic part of the COD range between maximum and minimum load was extrapolated to the near crack tip region, assuming plastic blunting and resharpening by cooperative slip as well ...
C Blochwitz +2 more
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International Journal of Fatigue, 2022 In this paper, the effect of the polycrystalline microstructure on crack-tip opening displacement and crack closure is investigated for microstructural short plane strain fatigue cracks using the finite-element method.
Carl Fischer, Simon Schilli
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Observation of crack closure using a crack mouth opening displacement gauge
International Journal of Fatigue, 1989 A crack mouth opening displacement (CMOD) gauge has been designed to estimate the crack length as well as the crack opening stress level in an automated fatigue crack propagation test programme. The CMOD gauge accurately predicts crack tip opening levels
B Dattaguru
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International Journal of Fracture, 2012 In the paper, the elastic-plastic fracture behavior of an interface crack between two dissimilar materials is investigated. The mixed-mode Dugdale model is applied to examine the plastic zone size and the crack tip opening displacement.
D K Yi, Zhongmin Xiao, Soon Keat Tan
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