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Numerical investigation of post buckling strength and failure modes in advanced grid stiffened structure under thermal-mechanical loads

By Ruixiang Bai, Bo Chen, Cheng Yan, Lin Ye, Zecheng Li and Haoran Chen


This work investigated the post buckling strength and failure behavior of advanced grid\ud stiffened structures (AGS) under thermal-mechanical load using a finite element method. Based on the first order shear deformation theory (FSDT), Von Karman non-linear deformation assumption, and a progressive failure criterion, the buckling, large deformation´╝îlocal failure modes in the AGS were studied. The thermal effect was also analyzed. By some numerical examples, the failure characteristics of the AGS were discussed

Topics: 100000 TECHNOLOGY, Composite, advanced grid stiffened structure, thermal effects, progressive failure
Publisher: Trans Tech Publications (TTP)
Year: 2007
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