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Title of Journal: Appl Math MechEngl Ed

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Abbravation: Applied Mathematics and Mechanics

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Shanghai University Press

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DOI

10.1007/s00415-005-0951-4

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ISSN

1573-2754

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Natural frequencies of composite beams with a vari

Authors: Y Bedjilili A Tounsi H M Berrabah I Mechab E A Adda Bedia S Benaissa
Publish Date: 2009/06/09
Volume: 30, Issue: 6, Pages: 717-726
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Abstract

The present study is concerned with the vibration analysis of symmetric composite beams with a variable fiber volume fraction through thickness Firstorder shear deformation and rotary inertia have been included in the analysis The solution procedure is applicable to arbitrary boundary conditions Continuous gradation of the fiber volume fraction is modeled in the form of an mth power polynomial of the coordinate axis in the thickness direction of the beam By varying the fiber volume fraction within the symmetric composite beam to create a functionally graded material FGM certain vibration characteristics are affected Results are presented to demonstrate the effects of shear deformation fiber volume fraction and boundary conditions on the natural frequencies and mode shapes of composite beams

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