@inproceedings{paperid:1030516, author = {Askari, Amir Reza and Tahani, Masoud and M.R. Tahani}, title = {Analytical approximations to nonlinear vibration of clamped nano-electro-mechanical beam in presence of the Casimir force}, booktitle = {International Conference on Mechanical Engineering and Advanced Technology, ICMEAT 2012}, year = {2012}, location = {Isfahan, IRAN}, keywords = {NEMS; Casimir force; homotopy analysis method; static pull-in instability; dynamic pull-in instability}, }