نتایج جستجو برای: hollow cylinder

تعداد نتایج: 35835  

Journal: :The Journal of the Acoustical Society of America 1967

2014
G. A. Yahya S. H. Elhag M. F. Sanaa A. M. A. Amry A. M. Abd-Alla

In this paper, the effect of initial stress on the radial vibrations of elastic hollow cylinder with rotation is discussed. The one-dimensional equation of elastodynamic is solved in terms of radial displacement. The frequency equation is obtained when the boundaries are free; fixed and mixed boundary condition is examined numerically. The determination is concerned with the eigenvalues of the ...

2005
X Lu M Viljanen

In this paper a novel analytical method is applied to the problem of transient heat conduction in a one-dimensional hollow composite cylinder with a timedependent boundary temperature. It is known that for such problems in general, the underlying eigenvalue and residue calculations pose a challenge in practice because of the computational requirements especially for a cylinder with many layers....

Journal: :Journal of Applied Mechanics 2021

Abstract Surface stress, which is always neglected in classical elastic theories, has recently emerged as a key role the mechanics of highly deformable soft solids. In this paper, effect surface stress on deformation and instability hollow cylinder analyzed. By incorporating energy density function into constitutive model hyper-elastic theory, explicit solutions are obtained for large under uni...

Journal: :Philosophical transactions. Series A, Mathematical, physical, and engineering sciences 2008
Y Modarres-Sadeghi M P Païdoussis C Semler E Grinevich

Three series of experiments were conducted on vertical clamped-clamped cylinders in order to observe experimentally the dynamical behaviour of the system, and the results are compared with theoretical predictions. In the first series of experiments, the downstream end of the clamped-clamped cylinder was free to slide axially, while in the second, the downstream end was fixed; the influence of e...

2012
Mohinder Pal

Introduction The wave propagation in magneto-electro-elastic materials has gained considerable importance since last decade. The electro-magneto-elastic materials exhibit a desirable coupling effect between electric and magnetic fields, which are useful in smart structure applications. These materials have the capacity to convert one form of energy namely, magnetic, electric and mechanical ener...

2016
Md Rasedul Islam Md Mahbubur Rahman Shamim Ahmed Mihir Ranjan Halder

The history of viscosity measurements is outspread and is believed to date back to when people began measuring the viscosities of engine oils with the advent of the automobile industry [1]. A rotational viscometer is one which can be used to measure viscosity at different temperature. In this treatise, a coaxial cylinder type rotational viscometer (CCTRV) has been designed, constructed and comp...

2004

Abs t rac t . An analysis is made of the laminar natural convection of incompressible fluids over a slender, hollow circular cylinder with the inner surface at a constant temperature of Tb. The temperature of the outer surface must be solved from the coupled conduction of the cylinder and the natural convection of the fluid over the cylinder. The objective of this paper is to investigate the ef...

Journal: :IEEE Open Journal of Antennas and Propagation 2021

Presented is a stretchable liquid metal coaxial phase shifter constructed of center conductor, shield in the shape hollow cylinder, and rubber-based polymer (Ecoflex™00-30) which encases insulates metal. The design builds on enhances previous research consisting same but with five hand-woven strands. By modifying to consist cylinder rather than woven strands, TEM breakdown at high frequencies d...

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