On diffraction of normally incident SH-waves by a line crack in micropolar elastic medium |
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Institution: | Department of Mathematics, Burdwan University, Golapbag, Burdwan, 713104 WB, India |
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Abstract: | The problem of diffraction of waves due to plane harmonic SH-waves incident normally on a line crack situated in an infinite micropolar elastic medium has been considered. The solution of the problem is obtained for both low and high frequencies for small coupling parameter. The stress-intensity factors in micropolar elastic medium have been derived. The stress-intensity factor for such problem in an elastic medium can be deduced from results obtained in this paper. It is also found that the effect of micropolarity in the propagation of waves is more significant in high frequencies than low frequencies. |
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