Sensitivity Analysis of Flow-Induced Vibration Noise from Elastic Plate with a Cavity

Guang Zhu; Yu Hong Liu

doi:10.4028/www.scientific.net/AMM.197.246

Paper Titles

Dynamics Analysis and Testing of Transonic Flows in Main Nozzle of an Air-Jet Loom
p.221

Entropy Maximization, Stationary Wavelet and DCT Based Segmentation, De-Noising and Progressive Transmission Technique for Diseased MRI Images
p.229

Detection Method Optimization of Optical Fiber Evanescent-Wave Hydrogen Gas Sensor
p.235

Research on Comparison of Methodology between Industrial Engineering and Value Engineering
p.240

Sensitivity Analysis of Flow-Induced Vibration Noise from Elastic Plate with a Cavity
p.246

Research on Selection of Competitive Advantage Orientation of Green Products
p.252

A Time-Variant Reliability Analysis of Reinforced Concrete Beams Working with Cracks under High Temperature
p.259

Fit of Strategies Based on Product-Process Matrix
p.266

The Lyapunov Exponent Variance of an Electronic Manufacturing Enterprise’s Daily Qualified Rate Time Series by Improved Small Data Sets Approach
p.271

HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 197Sensitivity Analysis of Flow-Induced Vibration...

Sensitivity Analysis of Flow-Induced Vibration Noise from Elastic Plate with a Cavity

Abstract:

The flow-induced vibration noise generated by the elastic plate with cavity (EPC), which is a common structure on the surface of autonomous underwater vehicle (AUV), can not be ignored with the impact on the signal accuracy of the acoustic instruments mounted on the AUV. In this paper, the fluid-solid coupling vibration noise of elastic plate with a cavity has been modeling by the large eddy simulation (LES)-Lighthill equivalent source method. Then the fluctuation pressure spectrum of the flow field and the radiated noise field are analysed. According to the characteristic of the radiated noise field, the sensitivity of the sound power with respect to thickness of the EPC is calculated. Based on the results of sensitivity analysis, the flow-induced vibration noise generated by the EPC is reduced by local optimizing thickness of the EPC, with the premise of not increasing the structural weight.

You might also be interested in these eBooks

View Preview

Info:

Periodical:

Applied Mechanics and Materials (Volume 197)

Pages:

246-251

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.197.246

Citation:

Cite this paper

Online since:

September 2012

Authors:

Guang Zhu, Yu Hong Liu

Keywords:

Elastic Plate with Cavity, Flow-Induced Vibration Noise, Fluid Solid Coupling, Sensitivity Analysis

Export:

RIS, BibTeX

Price:

Permissions CCC:

Request Permissions

Permissions PLS:

Request Permissions

Сopyright:

Citation:

References

[1] J.E. Rossiter: Wind tunnel experiments on the flow over rectangular cavities at subsonic and transonic speeds (H.M.S.O. Publisher, London 1967).

Google Scholar

[2] N. Zhang, H. C. Shen, H. Z. Yao, X. Q. Zhu, M. S. Yu：Journal of Ship Mechanics Vol. 12(2008), pp.799-805.

Google Scholar

[3] N. Zhang, H. C. Shen, X. Q. Zhu, H. Z. Yao, H. Xie: Journal of Ship Mechanics Vol. 14 (2010), pp.181-190.

Google Scholar

[4] Y. Wang, Y. H. Liu: Advanced Materials Research Vol. 189-193(2011), pp.53-56.

Google Scholar

[5] Y. Wang, SH. X. Wang, Y. H. Liu, CH. Y. Chen: submitted to Journal of Ship Mechanics (2011).

Google Scholar

[6] D H Geng, ZH X Liu: Journal of Harbin Engineering University Vol. 31 (2010), pp.182-187.

Google Scholar

[7] Lighthill M J: Proceedings of the Royal Society of London, Vol. 211A (1952), pp.564-587.

Google Scholar

[8] A Oberai, F Ronaldkin, T Hughes: Computer Methods in Applied Mechanics and Engineering, Vol. 190 (2000), pp.345-361.

Google Scholar

[9] A Oberai, F Ronaldkin, T Hughes: AIAA Journal, Vol. 40 (2002), pp.2206-2216.

Google Scholar

[10] SH N Gao, Zh X Deng, Y M Hu: Journal of Jilin University, Vol. 39 (2009), pp.1130-1136.

Google Scholar