Journal
INTERNATIONAL JOURNAL OF NON-LINEAR MECHANICS
Volume 91, Issue -, Pages 69-75Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijnonlinmec.2017.02.010
Keywords
Nanocomposites; Functionally graded materials; Temperature-dependent properties; Beams; Buckling; Vibration
Categories
Funding
- National Natural Science Foundation of China [51279103]
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This paper investigates the small- and large-amplitude vibrations of thermally postbuclded carbon nanotube-reinforced composite (CNTRC) beams resting on elastic foundations. For the CNTRC beams, uniformly distributed (UD) and functionally graded (FG) reinforcements are considered where the temperature-dependent material properties of CNRTC beams are assumed to be graded in the thickness direction and estimated through a micromechanical model. The motion equations are derived based on a higher order shear deformation beam theory with including the beam-foundation interaction. The initial deflection caused by thermal postbuckling is also included. The numerical illustrations concern small- and large-amplitude vibration characteristics of thermally postbuckled CNTRC beams under uniform temperature field. The effects of carbon nanotube (CNT) volume fraction and distribution patterns
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