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Date : 2008-12-04
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Fracture Mechanics Analysis of Cracked Discs of ~ path of crack propagation in anisotropic rocks Crack propagation in an anisotropic homogeneous rock disc under mixed mode I–II loading is simulated by an incremental crack extension with a piecewise linear discretization A computer program which can automatically generate a new mesh required for analyzing sequentially the changing boundary configuration has been developed to simulate the crack propagation process
Fracture mechanics analysis of cracked discs of ~ In this study the process of crack propagation in an anisotropic homogeneous rock disc under mixed mode I–II loading is simulated by incremental crack extension with a piecewise linear discretization For each incremental analysis crack extension is conveniently modeled by a new boundary element
Boundary Element Analysis of Crack Propagation Path on ~ geological discontinuities In such a case the stress intensity factors SIFs of crack tips which govern the crack propagation are associated with material properties and are strongly affected by the mechanical interaction between cracks This paper presents the development of a unified numerical framework based on the boundary element method BEM for modelling crack propagation behaviour in anisotropic marble The
PDF Modeling crack propagation path of anisotropic rocks ~ In a cracked material the stress intensity factors SIFs at the crack tips which govern the crack propagation and are associated with the strength of the material are strongly affected by
Analysis of Crack Propagation Path on the Anisotropic Bi ~ The outer boundary and crack surface are discretized with 28 continuous and 20 discontinuous quadratic elements respectively Figures 14b and 15b are the comparisons examples it can be concluded that the proposed SDBEM is capable of predicting the crack propagation in anisotropic bimaterial rocks
Fracture mechanics analysis of cracked discs of DeepDyve ~ Fracture mechanics analysis of cracked discs of anisotropic rock using the boundary element method Chen ChaoShi Pan Ernian Amadei Bernard 19980312 000000 This paper is the second of a series of two papers dealing with the determination of the deformability tensile strength and fracturing of anisotropic rocks by diametral compression Brazilian test of discs of rock It is shown how a new formulation of the Boundary Element Method BEM proposed recently by the authors can be
TwoDimensional Fracture Mechanics Analysis Using a Single ~ be applied to the general fracture mechanics analysis in anisotropic media while keeping the singledomain merit In this study the BEM formulation combined with the maximum circumferential stress criterion is adopted to predict the crack initiation angles and to simulate the crack propagation paths
Determination of Fracture Toughness of Anisotropic Rocks ~ tions using Boundary Element Method BEM is applied to determine the stress intensity factors and the fracture toughness of anisotropic rocks under mixedmode loading The numerical results
Boundary element analysis of fracture mechanics in ~ This paper presents a boundary element formulation for the analysis of linear elastic fracture mechanics problems involving anisotropic bimaterials The most important feature associated with the present formulation is that it is a single domain method and yet it is accurate efficient and versatile
TwoDimensional Fracture Mechanics Analysis Using a Single ~ This work calculates the stress intensity factors SIFs at the crack tips predicts the crack initiation angles and simulates the crack propagation path in the twodimensional cracked anisotropic materials using the singledomain boundary element method BEM combined with maximum circumferential stress criterion
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