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VIBRATION AND DAMPING ANALYSIS OF FIBER REINFORCED COMPOSITE MATERIAL CONICAL SHELLS

โœ Scribed by K.N. Khatri; N.T. Asnani

Publisher
Elsevier Science
Year
1996
Tongue
English
Weight
477 KB
Volume
193
Category
Article
ISSN
0022-460X

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โœฆ Synopsis

A vibration and damping analysis based on individual layer deformation is presented for axisymmetric vibrations of laminated composite material conical shells. The analysis includes consideration of bending, extension and transverse shear deformations in each of the laminate layers and also includes its rotary, meridional and circumferential translatory and transverse inertias. The Galerkin method has been applied for finding the approximate solutions for the simply supported conical shells. The correspondence principle of linear viscoelasticity has been used to evaluate the damping effectiveness of the shell. The variations of the resonance frequencies and of the associated system loss factors with fiber orientation angles and cone apex angles for axisymmetric vibrations of cross-ply and angle-ply fiber reinforced plastic conical shells are reported.

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