Session: 06-15-01 Unsteady Hydrodynamics, Vibrations, Acoustics and Propulsion - I

Submission Number: 181058

Analysis of Dynamic Characteristics of Ship Composite Transmission Shaft Based on Carrera Unified Formulation 

The composite transmission shaft has been widely used in various engineering fields such as vehicle manufacturing, aerospace, and shipbuilding and Marine engineering in recent years due to their numerous excellent properties including high strength, light weight, corrosion resistance, high temperature resistance and fatigue resistance. The research object of this paper is the ship composite transmission shaft. A dynamic analysis model of ship composite transmission shaft under classical boundary conditions was established based on Carrera unified formulation (CUF). By using the CUF framework, the complete three-dimensional dynamic model is simplified into a one-dimensional dynamic model with three-dimensional solution accuracy. The displacement field of the ship composite transmission shaft is constructed by using the two-dimensional Taylor formula and the improved Fourier series, and the boundary conditions are processed by the penalty function method. Then, the vibration characteristics are solved by combining the energy functional and the Hamilton principle. The validity and correctness of this method were verified by comparing with the finite element results. On this basis, the influences of parameters such as the boundary penalty function factor, geometric parameters and rotational speed on the vibration characteristics of the ship composite transmission shaft were studied. This method features high efficiency and high precision, providing an effective analytical means for studying the vibration characteristics of ship composite transmission shaft.

Presenting Author: 从帅 何 上海交通大学海洋与土木工程学院

Presenting Author Biography: This author is a doctoral student at the School of Naval Architecture, Ocean and Civil Engineering, Shanghai Jiao Tong University. His research mainly focuses on the structural vibration of composite material structures in ship and ocean engineering.

Authors:

Congshuai He School of Ocean and Civil Engineering, Shanghai Jiao Tong University
Lijuan Xia School of Ocean and Civil Engineering, Shanghai Jiao Tong University