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Feb 09, 2018Open    AccessArticle

Propagation of Natural Waves on Plates of a Variable Cross Section

Ismail Ibrahimovich Safarov, Zafar Ihterovich Boltaev
In this paper, a conjugate spectral problem and biorthogonality conditions for the problem of extended plates of variable thickness are constructed. A technique for solving problems and numerical results on the propagation of waves in infinite extended viscoelastic plates of variable thickness is described. The viscous properties of the material are taken into account using the Voltaire integral operator. The investigation is carr

Jul 07, 2015Open    AccessArticle

Of a Fatigued Thick-Walled Cylindrical Pipe on the Brink of Yielding

Nzerem Francis Egenti
The response to stress delivered by a non-isochoric hollow cylinder is critical to its future life and integrity. The design of cylinders must emphasize durability; therefore, the knowledge of the yield stress of the constituent material is essential. The stress component of a pressurized compressible circular cylinder made of non-linearly elastic material was considered here and the yield stress was determined.