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 Pu Liang,Ming Hongand Zheng Wang.Experimental and Numerical Investigations on Vibration Characteristics of a Loaded Ship Model[J].Journal of Marine Science and Application,2015,(3):234-243.[doi:10.1007/s11804-015-1310-1]
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Experimental and Numerical Investigations on Vibration Characteristics of a Loaded Ship Model


Experimental and Numerical Investigations on Vibration Characteristics of a Loaded Ship Model
Pu Liang1 Ming Hongand Zheng Wang12
Pu Liang1 Ming Hongand Zheng Wang12
1. School of Naval Architecture, Dalian University of Technology, Dalian 116024, China;
2. Collaborative Innovation Center for Advanced Ship and Deep-Sea Exploration, Shanghai 200240, China
loaded ship modelvibration characteristicsfinite element method (FEM) added mass matrixnatural frequencymodal identificationfinite fluid domain
In this paper, the vibration characteristics of the structure in the finite fluid domain are analyzed using a coupled finite element method. The added mass matrix is calculated with finite element method (FEM) by 8-node acoustic fluid elements. The vibration characteristics of the structure in the finite fluid domain are calculated combining structure FEM mass matrix. By writing relevant programs, the numerical analysis on vibration characteristics of a submerged cantilever rectangular plate in finite fluid domain and loaded ship model is performed. A modal identification experiment for the loaded ship model in air and in water is conducted and the experiment results verify the reliability of the numerical analysis. The numerical method can be used for further research on vibration characteristics and acoustic radiation problems of the structure in the finite fluid domain.


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Last Update: 2015-09-01