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Simulation and investigations on the vibro-acoustic responses of immersed cylindrical shells in ideal ice-covered water

Simulation and investigations on the vibro-acoustic responses of immersed cylindrical shells in ideal ice-covered water
Simulation and investigations on the vibro-acoustic responses of immersed cylindrical shells in ideal ice-covered water
Vibro-acoustic responses of cylindrical shells immersed in ice-covered water are typical acoustic-structure coupling problems. The dynamic model of the immersed cylindrical shell was established by Finite Element Method (FEM) to obtain the vibration response. The elastic constitutive material was adopted to simulate the ice model. The acoustic model of cylindrical shells was constructed by Boundary Element Method (BEM) to gain the underwater acoustic radiation. A series of boundary conditions were defined to tackle dynamic accurate contact interactions of the cylindrical shell, fluid field and ice model. Comparative analysis with the vibro-acoustic results of numerical model was proceeded to show the practicality and effectiveness of the numerical method. Both models of fully immersed and partially immersed cylindrical shells were calculated to analyze the vibration and underwater acoustic radiation. The effect of immersion depth, ice thickness, temperature and brine volume on vibro-acoustic responses of the immersed cylindrical shells were also discussed. It provides a way to evaluate the vibro-acoustic performance of underwater vehicles in polar ice area.
cylindrical shell; ice; vibration; acoustic radiation;, experiment
1-11
Wang, Xianzhong
173777a7-cef7-4f3f-a0ed-0b25b98c2a94
Chen, Di
03c3fda8-a51f-4cde-ae87-174eebdb8df5
Xiong, Yeping
51be8714-186e-4d2f-8e03-f44c428a4a49
Wu, Weiguo
e3f0a560-dcba-4e7f-b1a2-44976c388e28
Wang, Xianzhong
173777a7-cef7-4f3f-a0ed-0b25b98c2a94
Chen, Di
03c3fda8-a51f-4cde-ae87-174eebdb8df5
Xiong, Yeping
51be8714-186e-4d2f-8e03-f44c428a4a49
Wu, Weiguo
e3f0a560-dcba-4e7f-b1a2-44976c388e28

Wang, Xianzhong, Chen, Di, Xiong, Yeping and Wu, Weiguo (2019) Simulation and investigations on the vibro-acoustic responses of immersed cylindrical shells in ideal ice-covered water. Results in Physics, 15, 1-11, [102764]. (doi:10.1016/j.rinp.2019.102764).

Record type: Article

Abstract

Vibro-acoustic responses of cylindrical shells immersed in ice-covered water are typical acoustic-structure coupling problems. The dynamic model of the immersed cylindrical shell was established by Finite Element Method (FEM) to obtain the vibration response. The elastic constitutive material was adopted to simulate the ice model. The acoustic model of cylindrical shells was constructed by Boundary Element Method (BEM) to gain the underwater acoustic radiation. A series of boundary conditions were defined to tackle dynamic accurate contact interactions of the cylindrical shell, fluid field and ice model. Comparative analysis with the vibro-acoustic results of numerical model was proceeded to show the practicality and effectiveness of the numerical method. Both models of fully immersed and partially immersed cylindrical shells were calculated to analyze the vibration and underwater acoustic radiation. The effect of immersion depth, ice thickness, temperature and brine volume on vibro-acoustic responses of the immersed cylindrical shells were also discussed. It provides a way to evaluate the vibro-acoustic performance of underwater vehicles in polar ice area.

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Final accepted paper Wang & Xiong 102019 - Accepted Manuscript
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More information

Accepted/In Press date: 17 October 2019
e-pub ahead of print date: 22 October 2019
Published date: December 2019
Keywords: cylindrical shell; ice; vibration; acoustic radiation;, experiment

Identifiers

Local EPrints ID: 435070
URI: http://eprints.soton.ac.uk/id/eprint/435070
PURE UUID: 88035af3-7009-4c2a-94ad-17f5bb1bc46d
ORCID for Yeping Xiong: ORCID iD orcid.org/0000-0002-0135-8464

Catalogue record

Date deposited: 22 Oct 2019 16:30
Last modified: 07 Oct 2020 01:45

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