سال انتشار: ۱۳۹۰

محل انتشار: نوزدهمین همایش سالانه مهندسی مکانیک

تعداد صفحات: ۴

نویسنده(ها):

Yaser Mirzaei – Dr, Islamic Azad University of Damavand
Behnam Gheshlaghi – Msc student, Department of Mechanical Engineering, Iran university of Science and Technology, Tehran, Iran
Seyyed. M. Hasheminejad – Professor, Department of Mechanical Engineering, Iran university of Science and Technology, Tehran, Iran

چکیده:

In the current work we obtained exact solution for nonlinear free vibration of nanotubes (NTs) with surface effects incorporated to Euler-Bernoulli beam theory and von Karman geometric nonlinearity. We used Jacobi elliptic functions to obtain the nonlinear natural frequencies. Normalized nonlinear natural frequencies and the phase trajectory were studied with the presence of surface effects. This study might be helpful to design NT-based devices in a wide range of applications.