%0 Journal Article %T Natural frequency analysis of FG-GOP/ polymer nanocomposite spheroid and ellipsoid doubly curved shells reinforced by transversely-isotropic carbon fibers %A Sobhani, Emad %A Masoodi, Amirreza %A Omer Civalek %A Mehmet Avcar %J Engineering Analysis with Boundary Elements %@ 0955-7997 %D 2022