Abstract
AbstractThis study aims to examine the post-buckling comportment of carbon nanotube-reinforced composites (FG-CNTRC) characterized by various single-walled carbon nanotube (SWCNT) distributions by using a HOSDT-based solid-shell element. Our formulation is based on the Higher Order Shear Deformation Theory (HOSDT) applied to the incompatible strained part, thus ensuring that the shear strain distributed throughout the thickness of the shell. Therefore, the presented finite solid-shell element does not require a shear correction factors. Furthermore, the Assumed Natural Strain (ANS) and the Enhanced Assumed Strain (EAS) method are employed to overcome the different locking phenomena. By comparing our numerical results with those in the literature, we can exemplify the performance of the developed complete three-dimensional finite element. Then, the effects of some material parameters on the post-buckling behavior of shell structures are investigated.KeywordsHOSDTSolid-shellFG-CNTRCsPost-buckling
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