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Performance Evaluation of Free Vibration of Laminated Composite Stiffened Hyperbolic Paraboloid Shell Panel with Cutout

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Abstract:

The paper considers free vibration characteristics of stiffened composite hyperbolic paraboloid shell panel with cutout in terms of natural frequency and mode shapes. A finite element code is developed for the purpose by combining an eight noded curved shell element with a three noded curved beam element. The size of the cutouts and their positions with respect to the shell centre are varied for different edge conditions of cross-ply and angle-ply laminated shells. The effects of these parametric variations on the fundamental frequencies and mode shapes are considered in details to conclude a set of inferences of practical engineering significance.

Info:

Periodical:
International Journal of Engineering and Technologies (Volume 7)
Pages:
1-24
DOI:
10.18052/www.scipress.com/IJET.7.1
Citation:
S. Sahoo "Performance Evaluation of Free Vibration of Laminated Composite Stiffened Hyperbolic Paraboloid Shell Panel with Cutout", International Journal of Engineering and Technologies, Vol. 7, pp. 1-24, 2016
Online since:
May 2016
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