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Determination of propeller source strength from hull-pressure measurements

AuthorsWijngaarden, E. van
Conference/Journal2nd International ship noise & vibration conference, London, UK
Date28 Jun 2006
This paper presents a computational technique for the determination of the propeller source strength given a set of hull-pressure measurements. The technique is based on an acoustic boundary element method for inverse scattering. Once the propeller source strength is found a forward scattering computation is performed to derive the complete hull-pressure distribution from which vibratory excitation forces are readily computed. The paper focuses on the theoretical description of the method with a single application for illustrative purposes. On the other hand, the paper’s presentation at the conference will highlight practical applications rather than the underlying theory.


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Erik van Wijngaarden

Senior Researcher

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sustainable propulsioncfd developmentcfd/simulation/desk studiestime-domain simulationsnoise and vibrationresistance and propulsionmarine systemsdefencepassengers and yachtingtransport and shippingcavitationpropeller designpropulsionsimulations