Flutter of Perforated Metallic Plates Repaired with Cross-Ply Composite Patches

Abstract:

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This study investigates the application of laminated composite patches for enhancement of flutter behavior of perforated metallic plates repaired with an external composite patch. Due to material anisotropy and discontinuity in geometry involved in flutter analysis of repaired plates, closed form solutions are practically unobtainable. Numerical studies using commercial finite element software were conducted to investigate the effects of variation in lamination parameters on the flutter boundary of perforated plates repaired with cross-ply composite patches. Both ply-level and sub-laminate level configurations are investigated. Presented results illustrate that flutter boundaries of perforated plates can be changed by choosing proper stacking sequence for composite patches.

Info:

Periodical:

Key Engineering Materials (Volumes 417-418)

Edited by:

M.H Aliabadi, S. Abela, S. Baragetti, M. Guagliano and Han-Seung Lee

Pages:

709-712

DOI:

10.4028/www.scientific.net/KEM.417-418.709

Citation:

A. A. Yazdi and J. Rezaeepazhand, "Flutter of Perforated Metallic Plates Repaired with Cross-Ply Composite Patches", Key Engineering Materials, Vols. 417-418, pp. 709-712, 2010

Online since:

October 2009

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Price:

$35.00

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