@article{paperid:1033948, author = {Moeenfard, Hamid and MAHDI MOJAHEDI and Mohammad Taghi Ahmaidan}, title = {A homotopy perturbation analysis of nonlinear free vibration of Timoshenko microbeams}, journal = {Journal of Mechanical Science and Technology}, year = {2011}, volume = {25}, number = {3}, month = {January}, issn = {1738-494X}, pages = {557--565}, numpages = {8}, keywords = {Homotopy perturbation method; Modified lindstedt-poincare method; Shear deformation; Rotary inertia; Microbeam; Nonlinear free vibration}, }