Analysis of stiffened laminated composite plates by finite element based on higher-order displacement theory

Tran Ich Thinh, Tran Huu Quoc
Author affiliations

Authors

  • Tran Ich Thinh Hanoi University of Technology
  • Tran Huu Quoc Vietnam Academy of Science and Technology

DOI:

https://doi.org/10.15625/0866-7136/30/2/5623

Abstract

In this paper, authors use a finite element model based on higher-order displacement plate theory for analysis of stiffened laminated composite plates. Transverse shear deformation is included in the formulation making the model applicable for both moderately thick and thin composite plates. The plate element used is a nine-noded isoparametric one with nine degrees of freedom at each node. The stiffness of stiffener is reflected at all nine nodes of plate element in which it is placed. Accordingly, the stiffeners can be positioned anywhere within the place element. Free vibration and deflection of stiffened laminated composite plates are carried out, and results are compared with existing analytical and other solutions.

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Published

01-07-2008

Issue

Section

Research Article

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