The paper of res.ass. of “ Creeping theory” department of IMM ANAS, ph.d. in mechanics Bagirov Emin Telamn oglu’s scientific work was published in 3.123 impact factor journal “Journal of Sound Vibration” in “ELSEIVEIR” publishing house.

In the paper “Scattering of axially-symmetric longitudinal values in nonhomogeneous prestressed bilayered circular cylinder”, using 3D linearized theory of elastic waves in prestressed bodied, distribution of axially-symmetric longitudinal waves in nonhomogeneous bilayered hollow cylinders in studied. It is assumed that initial stresses in the cylinder are created by inner and outer hydrostatic stresses. Assuming that the layer’s material is rigid, these initial stresses are determined within classic linear elasticity theory. The discrete analytic method is used for 3D equations of motion.

The numerically solvable dispersion equation is obtained for different values of problem parameters. As a result of this solution, the dispersion curves are constructed and according to these curves, the character of influence of nonhomogeneous initial stresses on the dispersion curves obtained for the lowest first and second modes is studied. The analysis of these solution shows that nonhomogeneous stresses influence both qualitatively and quantitatively to dispersion curves.

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