A method to compute mixed‐mode stress intensity factors for nonplanar cracks in three dimensions
Sign Up to like & getrecommendations! Published in 2020 at "International Journal for Numerical Methods in Engineering"
DOI: 10.1002/nme.6432
Abstract: Methods to compute the stress intensity factors along a three‐dimensional (3D) crack front often display a tenuous rate of convergence under mesh refinement or, worse, do not converge, particularly when applied on unstructured meshes. In… read more here.
Keywords: crack front; method; intensity factors; stress intensity ... See more keywords
Accurate evaluation of mixed-mode intensity factors of cracked shear-deformable plates by an enriched meshfree Galerkin formulation
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DOI: 10.1007/s00419-016-1193-x
Abstract: A novel meshfree discretization technique in terms of the reproducing kernel particle method is presented for accurately evaluating mixed-mode intensity factors of cracked shear-deformable plates. Mindlin–Reissner plate theory is adopted to solve the cracked plates… read more here.
Keywords: mixed mode; mode intensity; factors cracked; intensity factors ... See more keywords
Mixed-mode computation of the transient dynamic stress intensity factor for multiple interface cracks
Sign Up to like & getrecommendations! Published in 2019 at "Journal of The Brazilian Society of Mechanical Sciences and Engineering"
DOI: 10.1007/s40430-019-2071-6
Abstract: In this paper, the transient dynamic stress intensity factors are estimated for multiple cracks which are located at the interface between a nonhomogeneous elastic half-plane and an elastic half-plane. The material properties of the nonhomogeneous… read more here.
Keywords: dynamic stress; intensity; intensity factors; stress intensity ... See more keywords
Evaluation of notch stress intensity factors by the asymptotic expansion technique coupled with the finite element method
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DOI: 10.1016/j.apm.2018.05.011
Abstract: Abstract A characteristic analysis method coupled with the finite element method is proposed to calculate stress intensity factors for V-notches, in which the notched structure is divided into a singular stress sector and the remained… read more here.
Keywords: finite element; method; intensity factors; stress ... See more keywords
Contour integral approaches for the evaluation of stress intensity factors using displacement discontinuity method
Sign Up to like & getrecommendations! Published in 2017 at "Engineering Analysis With Boundary Elements"
DOI: 10.1016/j.enganabound.2017.05.008
Abstract: Abstract The stress intensity factors (SIFs) are of great importance for the determination of stress and displacement fields near crack tip and the prediction about crack propagations. In the context of linear elastic fracture mechanics… read more here.
Keywords: contour integral; intensity factors; stress; stress intensity ... See more keywords
An efficient mesh-free approach for the determination of stresses intensity factors
Sign Up to like & getrecommendations! Published in 2021 at "Engineering Analysis With Boundary Elements"
DOI: 10.1016/j.enganabound.2021.08.001
Abstract: Abstract In the present paper, an efficient mesh-free approach is established to determine the stress intensity factors in the vicinity of the crack tip. This efficient mesh-free approach is based on the Weighted Least Squares… read more here.
Keywords: approach; intensity factors; mesh free; free approach ... See more keywords
Stress intensity factors of square cracks in one-layered transversely isotropic halfspaces subject to internal expansion or tensile traction
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DOI: 10.1016/j.enganabound.2021.08.005
Abstract: Abstract This paper studies the stress intensity factors of square cracks horizontally placed in one-layered transversely isotropic halfspaces using the dual boundary element method (DBEM). This DBEM uses the point load fundamental solution of a… read more here.
Keywords: stress intensity; square cracks; transversely isotropic; intensity factors ... See more keywords
Stress intensity factors for fibrous composite with a crack embedded in an infinite matrix under a remote uniform load
Sign Up to like & getrecommendations! Published in 2017 at "Engineering Fracture Mechanics"
DOI: 10.1016/j.engfracmech.2017.04.045
Abstract: Abstract The interaction between a crack and two circular elastic inclusions for a fibrous tri-material composite under a remote uniform load is investigated. Based on the method of analytical continuation combined with the alternation technique,… read more here.
Keywords: uniform load; intensity factors; stress intensity; remote uniform ... See more keywords
A two-scale generalized FEM for the evaluation of stress intensity factors at spot welds subjected to thermomechanical loads
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DOI: 10.1016/j.engfracmech.2019.03.027
Abstract: Abstract This paper presents a two-scale Generalized Finite Element Method with global-local enrichments (GFEMgl) for the evaluation of stress intensity factors (SIFs) at spot welds subjected to thermomechanical loads. The method uses the solution of… read more here.
Keywords: stress intensity; evaluation stress; scale generalized; intensity factors ... See more keywords
Calculation of stress intensity factors from shell elements under mixed mode loading
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DOI: 10.1016/j.ijfatigue.2019.105447
Abstract: Abstract The strain energy release rate is calculated numerically for cracks in shells from shell elements by using the modified crack closure integral. This enables the separation of individual strain energy release rates for the… read more here.
Keywords: mixed mode; intensity factors; stress intensity; shell elements ... See more keywords
Thermo-mechanical shock fracture analysis by meshless method
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DOI: 10.1016/j.tafmec.2019.04.013
Abstract: Abstract Different types of mechanical and thermal shock loads are considered to investigate transient stress intensity factors of two/three dimensional cracked specimens via meshless method with linear test function. Steady state and transient analyses show… read more here.
Keywords: stress intensity; intensity; intensity factors; meshless method ... See more keywords