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P-wave interaction with a pair of rigid strips embedded in an orthotropic strip

Basu S., Mandal S. C.

Journal of Theoretical and Applied Mechanics

2016

Vol. 54 nr 2

579--592

The present paper is concerned with the problem of scattering of the P-wave by two co- -planer finite rigid strips placed symmetrically in an infinitely long orthotropic strip. Using the Hilbert transform technique, the mixed boundary value problem has been reduced to the solution of dual integral equations which has finally been reduced to the solution of a Fredholm integral equation of the second kind. Solving this integral equation numerically, stress intensity factors have been calculated at the inner and outer edges of the rigid strips, and the vertical displacement outside the strips has been calculated and plotted graphically to show the effect of material orthotropy.

Torsional oscillation of rigid disk in an infinite cylinder

Manna S. K., Gosh S., Mandal S. C.

Journal of Technical Physics

2003

Vol. 44, no 4

341-347

In this paper torsional oscillation of rigid disk in an infinite cylinder has been analyzed. The problem is reduced to solve the Fredholm integral equation of second kind by applying Hankel and Fourier transforms. Stress intensity factor at the edge of the strip has been derived and plotted to show the effect of cylinder width on stress intensity factor.