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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.

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Periodical:

International Journal of Engineering and Technologies (Volume 7)

Pages:

1-24

DOI:

https://doi.org/10.56431/p-h4cat2

Citation:

Cite this paper

Online since:

May 2016

Authors:

Sarmila Sahoo*

Keywords:

Cutout, Finite Element, Free Vibration, Hyperbolic Paraboloid Shell Panel, Laminated Composites, Stiffener

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Creative Commons CC BY 4.0

* - Corresponding Author

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