Dynamic Response of Viscoelastic CNT Conveying Pulsating Fluid Considering Surface Stress and Magnetic Field

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• 作者：A. Ghorbanpour Arani ; M. Yousefi ; S. Amir…
• 关键词：Dynamic response ; Pulsating fluid flow ; Magnetic field ; Chaotic motion ; Numerical methods
• 刊名：Arabian Journal for Science and Engineering
• 出版年：2015
• 出版时间：June 2015
• 年：2015
• 卷：40
• 期：6
• 页码：1707-1726
• 全文大小：5,451 KB
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  13.Ghorbanpour Arani A., Amir S., Dashti P., Yousefi M.: Flow-induced vibration of double bonded visco-CNTs under magnetic fields considering surface effect. Comput. Mater. Sci. 86, 144-54 (2014)View Article
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• 作者单位：A. Ghorbanpour Arani (1) (2)
  M. Yousefi (1)
  S. Amir (1)
  P. Dashti (1)
  A. B. Chehreh (3)
  
  1. Faculty of Mechanical Engineering, University of Kashan, Kashan, Iran
  2. Institute of Nanoscience and Nanotechnology, University of Kashan, Kashan, Iran
  3. Faculty of Manufacturing Engineering, Technische Universit?t Dortmund, 44227, Dortmund, Germany
  
• 刊物类别：Engineering
• 刊物主题：Engineering, general
  Mathematics
  Science, general
  
• 出版者：Springer Berlin / Heidelberg

文摘

A viscoelastic carbon nanotube (CNT) conveying pulsating fluid is presented which is based on Euler–Bernoulli beam theory. Runge–Kutta scheme is chosen in order to illustrate the transverse and longitudinal behavior of structure. The effects of surface stress, magnetic field and nonlocal small-scale theory on motion of structure are expressed in this study. Equilibrium equations of CNT conveying pulsating fluid are obtained using energy method. Galerkin, differential quadrature and Runge–Kutta methods are applied to solve equations of motion. In this paper, the effect of pulsating fluid on longitudinal behavior of CNT and transverse displacement of CNT are presented. The static and dynamic transverse distributed loads and their effects on CNT are expressed. In this study, regions of CNT with chaotic, quasi-periodic and periodic behaviors are presented. Also the effects of various parameters such as distributed loads, surface stress and magnetic field on those regions are demonstrated. The results of this work could be helpful in design and manufacturing of nano-/micromechanical system in advanced medical applications such as drug delivery systems with magnetic field as a parametric controller.