Transactions of the Korean Society for Noise and Vibration Engineering (한국소음진동공학회논문집)

The Korean Society for Noise and Vibration Engineering (한국소음진동공학회)
권호 표지
DOI QR코드

DOI QR Code

Underwater Radiated Noise Analysis for An Unmanned Underwater Vehicle Using Power Flow Analysis

파워흐름해석법을 이용한 무인잠수정의 수중방사소음해석

  • 권현웅 (서울대학교 조선해양공학과) ;
  • 홍석윤 (서울대학교 조선해양공학과) ;
  • 이상영 (LIG 넥스원) ;
  • 황아롬 (거제대학교 조선해양공학과) ;
  • 송지훈 (전남대학교 조선해양공학전공)
  • Received : 2011.12.22
  • Accepted : 2012.03.07
  • Published : 2012.04.20
Download PDF
⟨ Previous Next ⟩

Abstract

Power flow finite element method(PFFEM) combining power flow analysis(PFA) with finite element method is efficient for vibration analysis of a built-up structure, and power flow boundary element method(PFBEM) combining PFA with boundary element method is useful for predicting the noise level of a vibrating complex structure. In this paper, the coupled PFFE/PFBE method is used to investigate the vibration and radiated noise of the unmanned underwater vehicle(UUV) in water. PFFEM is employed to analyze the vibrational responses of the UUV, and PFBEM is applied to analyze the underwater radiation noise. The vibrational energy of the structure is treated as an acoustic intensity boundary condition of PFBEM to calculate underwater radiation noise. Numerical simulations are presented for the UUV in water, and reliable results have been obtained.

Keywords

References

  1. Yuh, J., 1994, Underwater Robotic Vehicles, PSI Press.
  2. Fossen, T. I., 1994, Guidance and Control of Ocean Vehicles, John Wiley & Sons, Ltd.
  3. Belov, V. D., Rybak, S. A. and Tartakovskii, B. D., 1977, Propagation of Vibrational Energy in Absorbing Structures, Soviet-physics Acoustics, Vol. 23, pp. 115-119.
  4. Wohlever, J. C. and Bernhard, R. J., 1992, Mechanical Energy Flow Models of Rods and Beams, Journal of Sound and Vibration, Vol. 153, No. 1, pp. 1-19. https://doi.org/10.1016/0022-460X(92)90623-6
  5. Bouthier, O. M. and Bernhard, R. J., 1995, Simple Models of the Energetics of Transversely Vibrating Plates, Journal of Sound and Vibration, Vol. 182, No. 1, pp. 149-164. https://doi.org/10.1006/jsvi.1995.0187
  6. Park, D.-H., Hong, S.-Y., Kil, H.-G. and Jeon, J.-J., 2001, Power Flow Models and Analysis of In-plane Waves in Finite Coupled Thin Plates, Journal of Sound and Vibration, Vol. 244, pp. 651- 668. https://doi.org/10.1006/jsvi.2000.3517
  7. Song, J.-H. and Hong, S.-Y., 2008, Development of Compliant and Dissipative Joints in Coupled Thin Plates for Vibrational Energy Flow Analysis, Transactions of the Korean Society for Noise and Vibration Engineering, Vol. 18, No. 10, pp. 1082-1090. https://doi.org/10.5050/KSNVN.2008.18.10.1082
  8. Hwang, D.-W., Hong, S.-Y., Seo, S.-H. and Kwon, H.-W., 2007, Transient Power Flow Analysis of Beam and Plate, Transactions of the Korean Society for Noise and Vibration Engineering, Vol. 17, No. 7, pp. 624-631. https://doi.org/10.5050/KSNVN.2007.17.7.624
  9. Lee, J.-Y., Kil, H.-G., Song, J.-H. and Hong, S.-Y., 2009, Power Flow Analysis of Vibration of a Plate Covered with a Damping Sheet, Transactions of the Korean Society for Noise and Vibration Engineering, Vol. 19, No. 5, pp. 530-536. https://doi.org/10.5050/KSNVN.2009.19.5.530
  10. Kim, S.-H., Hong, S.-Y. Kil, H.-G. and Song, J.-H., 2010, Vibro-acoustic Analysis of Adjoined two Rooms Using 3-D Power Flow Finite Element Method, Transactions of the Korean Society for Noise and Vibration Engineering, Vol. 20, No. 1, pp. 74-82. https://doi.org/10.5050/KSNVE.2010.20.1.074
  11. Cho, P. E., 1993, Energy Flow Analysis of Coupled Structures, Ph.D. Dissertation, Purdue University.
  12. Seo, S. H., 2005, Development of Power Flow Finite Element Method for Medium-to-high Frequency Vibration Analysis of Built-up Structures with Multi-dimensional Elements, Ph.D. Dissertation, Seoul National University.
  13. Park, Y.-H., Hong, S.-Y. and Kil, H.-G., 2010, Prediction of Vibrational Responses of Automotive Door System Using Energy Flow Analysis in Medium-to-high Frequencies, Transactions of the Korean Society for Noise and Vibration Engineering, Vol. 20, No. 11, pp. 1097-1102. https://doi.org/10.5050/KSNVE.2010.20.11.1097
  14. Lee, H. W., 2006, Development of Acoustic Power Flow Boundary Element Models and Analysis System for Medium-to-high Frequency Noise Analysis, Ph.D. Dissertation, Seoul National University.
  15. Cremer, L., Heckl, M. and Ungar, E. E., 1988, Structure-borne Sound, Springer-Verlay, New York.
  16. Fahy, F., 1985, Sound and Structural Vibration: Radiation, Transmission and Response, Academic Press.
  17. Kim, J. D., Hong, S. Y., Kwon, H. W. and Song, J. H., 2010, Energy Flow Model Considering Near Field Energy for Predictions of Acoustic Energy in Low Damping Medium, Journal of Sound and Vibration, Vol. 330, pp. 271-286.