Luiz Carlos H. Ricardo Carlos Alexandre J. Miranda


Crack propagation simulation began with the development of the finite element method; the analyses were conducted to obtain a basic understanding of the crack growth. Today structural and materials engineers develop structures and materials properties using this technique as criterion design. The aim of this paper is to verify the effect of different crack propagation rates in determination of crack opening and closing stress of an ASTM specimen under a standard suspension spectrum loading from FD&E SAE Keyhole Specimen Test Load Histories by finite element analysis. The crack propagation simulation was based on release nodes at the minimum loads to minimize convergence problems. To understand the crack propagation processes under variable amplitude loading, retardation effects are discussed.


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    How to Cite

    Ricardo, L. C. H. and Miranda, C. A. J. (2016) “Influence of the crack propagation rate in the obtaining opening and closing stress intensity factor by finite element method”, Frattura ed Integrità Strutturale, 10(36), pp. Pages 201–214. doi: 10.3221/IGF-ESIS.36.20.

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