Exact solution of thermal buckling and post buckling of composite and SMA hybrid composite beam by layerwise theory

被引：31

作者：

Bayat, Yahya ^{[1
]}

EkhteraeiToussi, Hamid ^{[1
]}

机构：

[1] Ferdowsi Univ Mashhad, Fac Engn, Mashhad 91779489441, Iran

来源：

AEROSPACE SCIENCE AND TECHNOLOGY | 2017年 / 67卷

关键词：

SMA reinforced composite; Layerwise theory; Analytical solution; Thermal buckling and post buckling; MEMORY ALLOY FIBERS; POSTBUCKLING BEHAVIOR; BOUNDARY-CONDITIONS; PLATES; MODEL; VIBRATION;

D O I：

10.1016/j.ast.2017.04.029

中图分类号：

V [航空、航天];

学科分类号：

08 ; 0825 ;

摘要：

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. (C) 2017 Elsevier Masson SAS. All rights reserved.

引用

页码：484 / 494

页数：11

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