Analytical study on the propagation of rectilinear semi-infinite crack due to Love-type wave propagation in a structure with two dissimilar transversely isotropic layers

摘要

The present study deals with the propagation characteristics of rectilinear semi-infinite non-centrally located interfacial crack associated with progressing Love-type wave in the structure comprised of two dissimilar transversely isotropic layers. The closed form expressions of stress intensity factor for different quasi-static conditions (viz. diverse loading and stress-free conditions on the edges of crack subjected to non-harmonic and harmonic loading) and also for static condition concerned with non-harmonic and harmonic loading have been derived by using Weiner-Hopf technique along with two-sided Fourier transform. The substantial influence of thickness ratio, inhomogeneity, stress amplitude ratio, displacement amplitude ratio, and different material combinations of layers on stress intensity factor at the crack tip has also been examined for the considered structure. Some notable characteristics are also highlighted and revealed by means of numerical results and graphs.