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In this article, the vibrational behavior of beam-type microstructures made of carbon nanotube-reinforced composite is studied based on a finite element approach accounting for micro-/nanoscale effects. It is considered that the surface of microbeams is perfectly bonded with a piezoelectric actuator layer. First, the random distribution of CNTs into the polymer matrix is modeled using a three-phase...
Mindlin’s strain gradient theory (SGT) is the most popular size-dependent higher-order gradient elasticity theory capable of describing the mechanical behavior of structures at micro-/nanoscale, in which the strain gradient terms are included in the strain energy density. In this article, based on Mindlin’s SGT and classical Donnell’s shell theory, the size-dependent nonlinear postbuckling characteristics...
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