Results 251 to 260 of about 5,694 (306)

Photothermal Study of Free and Forced Elastic Vibrations of Microcantilevers [PDF]

International Journal of Thermophysics, 2015
International audienceDynamic free (spontaneous) and forced (optically excited) elastic vibration spectra of a cantilever (CL) were studied. The amplitude and phase elastic displacements of silicon CLs were measured as a function of the modulation ...
D M Todorović, B Cretin, P Vairac
exaly   +1 more source

Free v/s forced vibrations of a cylinder at lowRe [PDF]

International Journal of Computational Fluid Dynamics, 2008
Free vibrations of a circular cylinder of low non-dimensional mass are investigated at low Reynolds numbers. Computations are carried out for 5% blockage.
Mittal, S., Prasanth, T. K.
exaly   +2 more sources

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Forced vibration resonators and free vibration of the hull

International Shipbuilding Progress, 1971
As ships increase in size, the formulas previously used to describe ships' vibrations are being found to contain errors which are leading to expensive repairs and lost time. The article describes the various differences between the previous calculations used and the vibrations which are actually being found to occur.
Bourceau, G., Volcy, G.C.
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Free and Forced Longitudinal Vibrations of Rods

Materials Science Forum, 2018
Free and forced longitudinal oscillations of homogeneous rods of constant cross section are considered. Analytical and numerical methods for solving problems are used. With free vibration, numerical examples are shown for a rod with a jammed and free end and for a rod with a concentrated non-deformable mass at the end, due to which the mathematical ...
Khusen P. Kulterbaev, Lyalusya A. Baragunova, Maryana M. Shogenova   +2 more
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Free and Forced Vibrations of Simple Systems

1991
Mechanical, acoustical, or electrical vibrations are the sources of sound in musical instruments. Some familiar examples are the vibrations of strings (violin, guitar, piano, etc), bars or rods (xylophone, glockenspiel, chimes, clarinet reed), membranes (drums, banjo), plates or shells (cymbal, gong, bell), air in a tube (organ pipe, brass and woodwind
Neville H. Fletcher, Thomas D. Rossing
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Free and forced vibrations of closely coupled turbomachinery blades

21st Structures, Structural Dynamics, and Materials Conference, 1980
This paper deals with the free and forced vibration of closely coupled turbomachinery blades on a disk which are connected by elements forming a circumferentially continuous periodic structure that will be called a rotationally periodic structure in this paper.
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Free and Forced Vibration of Laminated Composite Beams

AIAA Journal, 2018
A new higher-order zig-zag theory is proposed for the free and forced vibration analysis of laminated composite and sandwich beams with different thickness at each ply.
Wu Zhen, Chen Wanji
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Free and Forced Vibration of Stepped Levy Plates

14th Biennial Conference on Mechanical Vibration and Noise: Vibration and Control of Mechanical Systems, 1993
Abstract The study of the transverse vibration of thin rectangular plates has been mainly confined to plates of uniform thickness. There are few publications available on the vibration of plates with nonuniform thickness. These plates have application in various fields such as civil engineering and aerospace structures and are often ...
Jinkyo Lee, Lawrence A. Bergman
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Free and forced vibrations of nonlinear wave equations in ball [PDF]

Journal of Differential Equations, 2004
First, we shall deal with the free vibrations of a nonlinear radially symmetric wave equation (∂t2−△)u=f(r,u) in n-dimensional ball Ba with center at the origin and radius a, where f is smooth, monotone decreasing in u, and satisfies f(r,0)=0. f(r,u) has
Yamaguchi, Masaru, Masaru Yamaguchi
exaly   +2 more sources

Free and Forced Vibrations of Rotating Blades

Journal of the Aeronautical Sciences, 1951
SUMMARY The matrix equations governing transverse vibration of a rotat­ ing twisted cantilever beam, such as an airplane propeller or tur­ bine blade, are developed. From these equations the variation in natural frequency with rotational speed may be found, and some simplified methods for finding these curves are shown.
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