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Experimental and numerical investigations on vibration characteristics of a loaded ship model |
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| Authors: | Pu?Liang,Ming?Hong author-information" > author-information__contact u-icon-before" > mailto:mhong@dlut.edu.cn" title=" mhong@dlut.edu.cn" itemprop=" email" data-track=" click" data-track-action=" Email author" data-track-label=" " >Email author,Zheng?Wang |
| Affiliation: | 1.School of Naval Architecture,Dalian University of Technology,Dalian,China;2.Collaborative Innovation Center for Advanced Ship and Deep-Sea Exploration,Shanghai,China |
| Abstract: | In this paper, 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. Vibration characteristics of the structure in finite fluid domain are calculated combining structure FEM mass matrix. By writing the relevant programs, 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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