Aerospace Science and Technology, ( ISI ), Volume (67), No (1), Year (2017-8) , Pages (484-494)

Title : ( Exact solution of thermal buckling and post buckling of composite and SMA hybrid composite beam by layerwise theory )

Authors: Yahya Bayat , Hamid Ekhteraei Toussi ,

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The thermal buckling and post-buckling behavior of laminated composite beam reinforced with Shape Memory Alloy (SMA) wires is explored. The thermo-mechanical behavior of embedded SMA wires is formulated based on one-dimensional Brinson SMA model. Using a variational approach, the Layer-Wise Theory (LWT) of beams is employed to develop the governing equations. The von Karman strain–displacement relations are used to account for the large deflection effects. A closed-form solution of the resulting systems of nonlinear equations is represented. Exemplary case studies are assessed by comparing with available literature. Considering symmetric and antisymmetric layups, the influence of thickness/span ratio, degree of anisotropy, SMA pre-strain and volume fraction upon the buckling and post-buckling of thick composite and hybrid composite beams are examined and discussed in detail.

Keywords

SMA reinforced composite; layerwise theory; analytical solution; thermal buckling and post
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@article{paperid:1063969,
author = {Bayat, Yahya and Ekhteraei Toussi, Hamid},
title = {Exact solution of thermal buckling and post buckling of composite and SMA hybrid composite beam by layerwise theory},
journal = {Aerospace Science and Technology},
year = {2017},
volume = {67},
number = {1},
month = {August},
issn = {1270-9638},
pages = {484--494},
numpages = {10},
keywords = {SMA reinforced composite; layerwise theory; analytical solution; thermal buckling and post buckling},
}

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%0 Journal Article
%T Exact solution of thermal buckling and post buckling of composite and SMA hybrid composite beam by layerwise theory
%A Bayat, Yahya
%A Ekhteraei Toussi, Hamid
%J Aerospace Science and Technology
%@ 1270-9638
%D 2017

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