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Volume 25 Issue 4
Jul.  2022
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TANG Weilin, FAN Jun. Resonance radiation theory of a submerged elastic spherical shell[J]. ACTA ACUSTICA, 2000, 25(4): 308-312. DOI: 10.15949/j.cnki.0371-0025.2000.04.004
Citation: TANG Weilin, FAN Jun. Resonance radiation theory of a submerged elastic spherical shell[J]. ACTA ACUSTICA, 2000, 25(4): 308-312. DOI: 10.15949/j.cnki.0371-0025.2000.04.004
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Resonance radiation theory of a submerged elastic spherical shell

  • State Key Laboratory of Vibration, Shock & Noise, Shanyhai Jiao Tong University Shanghai 200030

More Information
  • PACS: 
    • 43.30  (Underwater sound)
    • 43.20  (General linear acoustics)
    • 43.40  (Structural acoustics and vibration)
  • Received Date: March 15, 1999
  • Revised Date: June 03, 1999
  • Available Online: July 31, 2022
    Graphical Abstract
    • Abstract
  • A new theory,named the Resonance Radiation Theory (RRT),is presented in order to deeper understalldingthe mechanisms of sound radiation by submerged structure.It is an extension of the Resonance Scattering Theory (RST).For a submerged elastic spherical shell excited by internal harmonic force the resonance radiation formulae have beenderived from classical Rayleigh normal mode solution.Numerical calculation for a thin steel shell shows that the radiationform function is similar to the scattering form function.The radiation sound power synthesized by the resonance radiationformulae using complex pole parameters is in quite agreemefit with that of by the exact theory
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