Comments on Simulations of Fatigue Crack Propagation by Blunting and Re-sharpening: The Mesh Sensitivity
Source abstract
Abstract
A selection of results of extensive analysis of mesh sensitivity of largedeformation elastoplastic finite element (FE) simulations of a crack under cyclic loading is presented. Notorious mesh sensitivity, which commences at spontaneous shear localization, is evidenced. This is argued to be not a mere numerical artefact, but a consequence of the inherent bifurcating behaviour of the boundary value problem solutions, where different mesh layouts and element technologies could trigger a variety of deformation patterns near the crack tip.
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Research context
OpenAlex topics: Fatigue and fracture mechanics · Metal Forming Simulation Techniques · Mechanical Behavior of Composites
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References (24)
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