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Shear wave interaction with a pair of rigid strips embedded in an infinitely long elastic strip

Pramanik R., Pal S., Ghosh M.

Journal of Technical Physics

1999

Vol. 40, no 1

31-44

In this paper, the problem of diffraction of normally incident SH wave by two co-planar finite rigid strips placed symmetrically in an infinitely long isotropic elastic strip perpendicular to the lateral surface is in maritime air and predicted scattering coef- of the elastic strip has been treated. The mixed boundary value problem gives rise to the determination of the solution of triple integral equations which finally have been reduced to the solution of a Fredholm integral equation of second kind. The equation has been solved numerically for low frequency range.