Results 251 to 260 of about 884,256 (294)

MODAL LOCALIZATION IN VIBRATING CIRCULAR CYLINDRICAL SHELLS

24th International Conference on Sound and Vibration 2017, London Calling
The goal of the present paper is the analysis of the effect of geometric imperfections in circular cylindrical shells. Perfect circular shells are characterized by the presence of double shell-like modes, i.e., modes having the same frequency with modal shape shifted of a quarter of wavelength in the circumferential direction.
Pellicano F., Zippo A., Barbieri M., Strozzi M.   +3 more
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Experimental Study on Pre-Stressed Circular Cylindrical Shell

Volume 1: 24th Conference on Mechanical Vibration and Noise, Parts A and B, 2012
In this paper an experimental study on circular cylindrical shells subjected to axial compressive and periodic loads is presented. Even though many researchers have extensively studied nonlinear vibrations of cylindrical shells, experimental studies are rather limited in number.
ZIPPO, Antonio, BARBIERI, MARCO, STROZZI, MATTEO, Errede, Vito, PELLICANO, Francesco   +4 more
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Circular elastic inclusions in cylindrical shells

Computers & Structures, 1978
The problem of a circular elastic inclusion in a cylindrical shell subjected to internal pressure or thermal loading is studied. The two shallow-shell equations governing the behaviour of a cylindrical shell are transformed into a single differential equation involving a curvature parameter and a complex potential function in a non-dimensional form. In
Bonde, DH, Rao, KP
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The Flexure of a Uniformly Pressurized, Circular, Cylindrical Shell

Journal of Applied Mechanics, 1958
Abstract This paper presents the moment-curvature relationship and the components of displacement in the cross section of a uniformly pressurized, long, closed, circular, cylindrical shell. The shell is loaded in one of its principal planes by two equal and opposite terminal couples: First, the shell undergoes small initial displacements.
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Bending of Circular Cylindrical Shells

1960
In the preceding Chapters dealing with the membrane theory of shells, we often met questions which this theory could not answer. This indicates that in certain cases the bending stiffness of the shell, although small, cannot be disregarded and that it is necessary to develop a bending theory.
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Vibrations of circular cylindrical shells: Theory and experiments

Journal of Sound and Vibration, 2007
Abstract In the present paper, a method for analysing linear and nonlinear vibrations of circular cylindrical shells having different boundary conditions is presented; the method is based on the Sanders–Koiter theory. Displacement fields are expanded in a mixed double series based on harmonic functions and Chebyshev polynomials.
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Buckling of Circular Cylindrical Shells

2017
This chapter is devoted to the stability behavior of thin cylindrical shells. The basic governing equations of thin circular cylindrical shells employing the Donnell theory with the von-Karman geometrical non-linearity are derived. The nonlinear strain-displacement relations, the nonlinear equilibrium equations, and the linear stability equations are ...
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Dynamics of circular cylindrical shells in contact with fluid

1998
This study focuses on the dynamic interactions between finite thin elastic circular cylindrical shells and fluids. The physical coupling phenomenon is explored considering liquid storage tanks and short tubes with an annular flow. Free radial vibrations of tanks are investigated by a classical theoretical analysis, finite element (FE) analysis and ...
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Transient creep of circular cylindrical shells

International Journal of Mechanical Sciences, 1969
Abstract Transient creep analysis of circular cylindrical shells on the basis of the strain-hardening and time-hardening theories is presented. Total strain is assumed to consist of elastic and creep components. Equations of equilibrium are replaced by the corresponding difference equations with regard to the rate of displacement, and the solutions ...
Sumio Murakami, Shūhei Iwatsuki
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An asymptotic theory for circular cylindrical shells

International Journal of Solids and Structures, 2000
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