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Three-dimensional Finite Element Buckling Analysis of Honeycomb Sandwich Composite Shells with Cutouts

J. Li, Z. H. Xiang, M. D. Xue1

Corresponding author. Department of Engineering Mechanics, Tsinghua University, Beijing, 100084, P. R. China Tel.: +86-10-62772902; fax: +86-10-62781824; E-mail address:

Computers, Materials & Continua 2005, 2(2), 139-150.


This paper investigates the buckling response of honeycomb sandwich composite shells with cutouts under axial compression. The Wilson's incompatible solid Finite Element (FE) is used around cutouts to obtain the detail stress distribution there. While to reduce the computational expense, a special multilayered relative degrees-of-freedom (DOF) shell FE is used to model the regions far from the cutouts. The efficiency and accuracy of this modeling scheme are illustrated by two benchmarks. Then parametric studies are carried out to reveal how the buckling response is influenced by the area, the shape and the orientation of cutouts.


Cite This Article

J. . Li, Z. H. . Xiang and M. D. . Xue, "Three-dimensional finite element buckling analysis of honeycomb sandwich composite shells with cutouts," Computers, Materials & Continua, vol. 2, no.2, pp. 139–150, 2005.

This work is licensed under a Creative Commons Attribution 4.0 International License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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