Paper Title:
Distortion Simulation of Unsymmetrical Composite Laminates Using the Finite Element Analysis Method
  Abstract

Unsymmetric composite laminates were benefit to reducing the structure weight of some aircrafts. However, the cured unsymmetric laminates showed distortion at room temperature. Therefore, predicting the deformation before using the unsymmetrical composite is very important. In this study an attempt was made to predict the shapes of some unsymmetric cross-ply laminates using the finite element analysis (FEA). The bilinear shell-element was adopted in the process. Then the simulation results were compared with the experimental data. The studies we had performed showed that the theoretical calculation agreed well with the experimental results, the predicted shapes were similar to the real laminates, and the difference between the calculated maximum deflections and the experimental data were less than 5%. Hence the FEA method was suitable for predicting the warpage of unsymmetric laminates. The error analysis showed that the simulation results were very sensitive to the lamina thickness, 2 α and (T.

  Info
Periodical
Materials Science Forum (Volumes 546-549)
Edited by
Yafang Han et al.
Pages
1563-1566
DOI
10.4028/www.scientific.net/MSF.546-549.1563
Citation
M. Li, B. Y. Zhang, X. B. Chen, "Distortion Simulation of Unsymmetrical Composite Laminates Using the Finite Element Analysis Method", Materials Science Forum, Vols. 546-549, pp. 1563-1566, 2007
Online since
May 2007
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Price
$32.00
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