فهرس المقالات hasan nahvi المقاله 1 - Vibration and Bifurcation Analysis of a Nonlinear Damped Mass Grounded System 20.1001.1.20083505.2014.6.1.1.5 M Mostoufi H Nahvi B Mirshafiee Journal of Solid Mechanics , العدد 1 , السنة 6 , زمستان 2014 المقاله 2 - Frequency Analysis of Embedded Orthotropic Circular and Elliptical Micro/Nano-Plates Using Nonlocal Variational Principle 20.1001.1.20083505.2015.7.1.2.3 A Anjomshoa A.R Shahidi S.H Shahidi H Nahvi Journal of Solid Mechanics , العدد 1 , السنة 7 , زمستان 2015