Design and Analysis of Nano Ball Bearing

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Naseiri Sarvi, Masuod | 2010

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Type of Document: M.Sc. Thesis
Language: Farsi
Document No: 41641 (08)
University: Sharif University of Technology
Department: Mechanical Engineering
Advisor(s): Ahmadian, Mohammad Taghi
Abstract:
Nowadays, science of nano technology has been growing quickly in the past decade. Scientists implemented this technology in bioengineering, electronics and medicine extensively. Nano scale engineering is one of the interests of researchers, nano bearing as a nano scale structure and as an important part of nano machining plays an important role in micro and nano devices. The role of nano bearing is to decrease energy dissipation and increase the efficiency of nano machines. The main purpose of this study is to design and analyze an optimized nano ball bearing. In this regard, a new spherical super element is designed and presented. This super element is implemented in simulating the fullerene as a ball in nano ball bearing. Results of static and dynamic modeling of nano ball bearing by using super element are compared with findings of implementing a large number of conventional elements.
Keywords:
Finite Element Method ; Fullerene ; Carbon Nanotubes ; Spherical Super Element ; Nano Bull Bearing