Forced vibrations of slacked carbon nanotube resonators

Hassen M. Ouakad, Mohammad I. Younis*

*المؤلف المقابل لهذا العمل

نتاج البحث

2 اقتباسات (Scopus)

ملخص

In this paper, we present an investigation of the dynamics of electrically actuated carbon nanotubes (CNTs) resonators including the effect of their initial curvature due to fabrication (slack). A nonlinear arch model is used to simulate the motion of the slacked CNT. A reduced-order model using a multimode Galerkin procedure based on the mode shapes of the straight un-actuated CNTs is derived. The reduced-order model equations are integrated numerically with time to reveal the steady-state response of the CNT when actuated by a DC load superimposed to an AC harmonic load. A perturbation method, the method of multiple scales, is used to obtain analytically the forced vibration response due to DC and small AC loads for various slacked CNT. Results of the perturbation method are verified with those obtained by numerically integrating the reduced-order model equations. The effective nonlinearity of the CNT is calculated as function of the slack and the DC load while using a beam model for the CNTs showing a softening dominant behavior.

اللغة الأصليةEnglish
عنوان منشور المضيفASME 2010 International Mechanical Engineering Congress and Exposition, IMECE 2010
الصفحات435-443
عدد الصفحات9
طبعةPARTS A AND B
المعرِّفات الرقمية للأشياء
حالة النشرPublished - 2010
منشور خارجيًانعم
الحدثASME 2010 International Mechanical Engineering Congress and Exposition, IMECE 2010 - Vancouver, BC
المدة: نوفمبر ١٢ ٢٠١٠نوفمبر ١٨ ٢٠١٠

سلسلة المنشورات

الاسمASME International Mechanical Engineering Congress and Exposition, Proceedings (IMECE)
الرقمPARTS A AND B
مستوى الصوت8

Other

OtherASME 2010 International Mechanical Engineering Congress and Exposition, IMECE 2010
الدولة/الإقليمCanada
المدينةVancouver, BC
المدة١١/١٢/١٠١١/١٨/١٠

ASJC Scopus subject areas

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