%0 Journal Article %T Application of a Hybrid Mesh-free Method Based on Generalized Finite Difference (GFD) Method for Natural Frequency Analysis of Functionally Graded Nanocomposite Cylinders Reinforced by Carbon Nanotubes %A Hosseini, Seyed Mahmoud %J Computer Modeling in Engineering and Sciences-CMES %@ 1526-1492 %D 2013