Vibration of Delaminated Beam-Plates with Multiple Delaminations Under Axial Forces

Buckling and vibration of delaminated composite orthotropic beam-plates with multple delaminations have been studied using the reduced flexural stiffness method. Series solutions of the governing equation of motion and the Ritz method for beam-plates with both ends simply supported and clamped bound...

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Bibliographic Details
Published in:Mechanics of structures and machines 2000-01, Vol.28 (1), p.49-64
Main Authors: Jane, K. C., Harn, Y. C.
Format: Article
Language:English
Subjects:
Beams and girders
Boundary conditions
Buckling
Delamination
Equations of motion
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Physics
Solid mechanics
Stiffness
Structural and continuum mechanics
Vibration, mechanical wave, dynamic stability (aeroelasticity, vibration control...)
Vibrations (mechanical)
Vibrations and mechanical waves
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Summary:Buckling and vibration of delaminated composite orthotropic beam-plates with multple delaminations have been studied using the reduced flexural stiffness method. Series solutions of the governing equation of motion and the Ritz method for beam-plates with both ends simply supported and clamped boundary conditions are discussed. Some typical multiple delaminations, such as overlapping and nonoverlapping delaminations, are considered. Numerical results based on both methods for simply supported boundary conditions are found to be identical. It is found that the method is effective in analyzing the buckling and vibration of beam-plates with multiple delaminations.
ISSN:0890-5452
1525-612X
DOI:10.1081/SME-100100611