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Information × Registration Number 0212U006142, 0111U007251 , R & D reports Title Development of approach based on spline approximation to study free vibrations of hollow cylinders with variable parameters in spatial formulation popup.stage_title Head Grigorenko Alexander Yaroslavovich, Доктор фізико-математичних наук Registration Date 23-02-2012 Organization S.P.Timoshenko Institute of Mechanics popup.description2 The technique of finding the frequency of free vibrations of hollow thick-walled cylinders with interchangeable mechanical parameters in the two coordinate directions, based on the method of spline-collocation method with discrete orthogonalization in the three-dimensional theory. The effect of various changes in laws stiffness parameters of the cylinder on the character of oscillations was investigated. Calculations were performed for different geometrical and elastic parameters of the cylinder and the boundary conditions Product Description popup.authors Єфімова Тетяна Леонідівна Григоренко Ярослав Михайлович Яремченко Наталія Петрівна Яремченко Сергій Миколайович popup.nrat_date 2020-04-02 Close