Finite element modeling of the coupling between thermal dissipation and fish-eye crack growth in very high cycle fatigue regime
2013
The aim of the paper is to model the thermal dissipation associated to a fish-eye crack growth during an ultrasonic fatigue testing. We use a Paris-Hertzberg crack growth model to simulate the evolution of the crack and a perfectly elastic-plastic constitutive law to model the plastic dissipation per cycle. A finite element analysis is used to compute the evolution of the temperature field during the crack propagation. Numerical results are presented and they agree well with experimental results.
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