%0 Journal Article %T A Comparison between Energy Balance Method and Coupled Homotopy-Variational Approach to a Nonlinear Free Vibration of a System with Inertia and Static Type Cubic Nonlinearity %A Akbarzadeh, Mehdi %A Farshidianfar, Anoshirvan %J Romanian Journal of Acoustics and Vibration %@ 1584-7284 %D 2016