2011
DOI: 10.1115/1.4004808
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Effects of Damaged Boundaries on the Free Vibration of Kirchhoff Plates: Comparison of Perturbation and Spectral Collocation Solutions

Abstract: In order to compare numerical and analytical results for the free vibration analysis of Kirchhoff plates with both partially and completely damaged boundaries, the Chebyshev collocation and perturbation methods are utilized in this paper, where the damaged boundaries are represented by distributed translational and torsional springs. In the Chebyshev collocation method, the convergence studies are performed to determine the sufficient number of the grid points used. In the perturbation method, the small pertur… Show more

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Cited by 9 publications
(11 citation statements)
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“…Furthermore, the Chebyshev collocation method (as a numerical technique) was not applied to analyze the free vibration problem of micro and nanostructures. The Chebyshev collocation method was successfully employed to carry out the free vibration analysis of local continuous systems with different shapes, geometries, and boundary conditions [19][20][21][22].…”
Section: Introductionmentioning
confidence: 99%
“…Furthermore, the Chebyshev collocation method (as a numerical technique) was not applied to analyze the free vibration problem of micro and nanostructures. The Chebyshev collocation method was successfully employed to carry out the free vibration analysis of local continuous systems with different shapes, geometries, and boundary conditions [19][20][21][22].…”
Section: Introductionmentioning
confidence: 99%
“…1(b)) and elastic coupling constraints ( Fig.1(c)) has always been a challenging problem in many engineering areas. Such an analysis is important to avoid resonance or undesirable dynamic response, control acoustic emission and power flow [1], analyse the effects of cracks [2] or damaged boundaries [3] for identifying the location and destructiveness of these cracks and damages, and many others. The applicability of the proposed theory include, but not limited to, buildings, bridges, ships, aeroplanes, space structures, armoured vehicles, automobiles, machines, robots, optical beam pointing systems and so on.…”
Section: Introductionmentioning
confidence: 99%
“…The treatment of non-uniform elastic supports is obviously much more demanding when using any established method. Understandably, only a few research has attempted such problems [3,[13][14][15][16][17][18]. However, most of the published methods have limitations of different natures.…”
Section: Introductionmentioning
confidence: 99%
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