%0 Journal Article %T Free-damped vibration analysis of Graphene Nano-Platelet nanocomposite Joined Conical-Conical-Cylindrical Shell marine-like structures %A Sobhani, Emad %A Masoodi, Amirreza %A Ahmadi Pari, Amir Reza %J Ocean Engineering %@ 0029-8018 %D 2022