A Higher Order Finite Element Model for the Vibration Analysis of Laminated Beams

[+] Author and Article Information
S. R. Marur

CSS Foundation for Research in Finite Elements, B4/4, Vaigai Nagar, Madurai-625 016, India

T. Kant

Department of Civil Engineering, Indian Institute of Technology, Mumbai-400 076, India

J. Vib. Acoust 120(3), 822-824 (Jul 01, 1998) (3 pages) doi:10.1115/1.2893903 History: Received October 01, 1996; Revised July 01, 1997; Online February 26, 2008


A higher order displacement model based on a cubic axial strain, cubic transverse shear strain and quadratic transverse normal strain across the thickness of the beam, to model exactly the warping of the cross section is proposed which maintains zero stress at the top and bottom of the beam with out the aid of any shear correction factor. Numerical experiments carried out clearly bring out the efficacy of this model over the first order theory for laminated beams.

Copyright © 1998 by The American Society of Mechanical Engineers
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