Abstract
We propose a computational model for the determination of the kinetics of propagation of fatigue cracks in plates whose material has inhomogeneous mechanical characteristics and fatigue fracture resistance. We also take into account the history of plastic deformation of the plate. The model is based on the energy criterion of fatigue fracture of materials. We deduce a system of differential equations describing the kinetics of fatigue cracks in inhomogeneous plates and present the solutions of two particular problems obtained by using the proposed model.
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