Journal
COMPUTERS & STRUCTURES
Volume 116, Issue -, Pages 75-87Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.compstruc.2012.10.025
Keywords
Wave propagation; Carbon nano-tube (CNT); Strain/inertia gradient; Slip boundary condition; Knudsen number (Kn); Fluid-structure interaction (FSI)
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This aiticle addresses wave propagation in carbon nano-tube (CNT) conveying fluid. CNT structure is modeled by using size-dependent strain/inertia gradient theory of continuum mechanics, CNT wall-fluid flow interaction by slip boundary condition and Knudsen number (Kn). Complex-valued wave dispersion relations and corresponding characteristic equations are derived. Fluid viscosity, gyroscopic inertial force, flow velocity, wave number, wave frequency, and decaying ratio are among parameters that their variations are discussed and some remarkable results are drawn. It was observed Kn could impress complex wave frequencies at both lower and higher ranges of wave numbers, while small-size had impression at higher range. (C) 2012 Elsevier Ltd. All rights reserved.
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