Paper Title:
The Element Stiffness Matrix of a Tapered Beam with Effects of Shear Deformation and its Stability Application
  Abstract

Starting from second-order effect, the governing differential equation of a tapered beam considering effects of axial force and shear deformation is established, the exact element stiffness matrix of a tapered beam with effects of shear deformation is proposed, and whose inertia moment is quadratic along the longitudinal axis. When the effect of shear deformation is ignored, the proposed stiffness matrix will degenerate into the Bernoulli-Euler ones. By using of the presented stiffness matrix, the stability and nonlinear of structures which contain tapered elements can be analyzed. Finally, the stability of some typical structures are analyzed in the numerical examples, the results prove that when the slenderness ratio is small, the effect of shear deformation can’t be neglected; As increasing, the results of beam considering shear-deflection are close to Bernoulli-Euler ones’.

  Info
Periodical
Advanced Materials Research (Volumes 308-310)
Chapter
Structural Strength and Robustness
Edited by
Jian Gao
Pages
1383-1388
DOI
10.4028/www.scientific.net/AMR.308-310.1383
Citation
N. L. Lu, L. X. Meng, "The Element Stiffness Matrix of a Tapered Beam with Effects of Shear Deformation and its Stability Application", Advanced Materials Research, Vols. 308-310, pp. 1383-1388, 2011
Online since
August 2011
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Price
$32.00
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