4.7 Article

Theoretical investigation on the buckling behavior of smart composite sandwich panels with viscoelastic core and shape memory alloy included skins

期刊

POLYMER COMPOSITES
卷 42, 期 10, 页码 5361-5373

出版社

WILEY
DOI: 10.1002/pc.26229

关键词

buckling; composite sandwich panel; SMA; viscoelastic core

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This study investigates the buckling characteristics of SMA composite sandwich panel with a viscoelastic core. The results show that the critical buckling response decreases with increasing magnitude of magnetic potential. The validation of the results with other studies demonstrates good correlation.
Today, due to the undeniable importance of smart materials such as shape memory alloys (SMAs), their application in engineering structures has become widespread. So, investigating their various properties is the subject of many studies. According to Reddy's higher-order shear deformation theory and von Karman nonlinearity, this research presented the buckling characteristics of SMA composite sandwich panel with a viscoelastic core. The governing equations of the panel are derived by implementing Hamilton's principle. For investigating the accuracy, this article is validated with other previous researches, and a good correlation is observed between the results. Finally, different parameters such as volume fraction of SMA, the thickness of the viscoelastic core, geometry ratios, and magnetic fields are considered in this article. The results show that the critical buckling response decreased by increasing the magnitude of magnetic potential. But it has a small influence on the real part of the critical buckling load of sandwich composite panel.

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