Numerical calculation for determining sonar self noise sources due to structural vibration

Takaaki Musha; Tatsuo Kikuchi

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Numerical calculation for determining sonar self noise sources due to structural vibration

机译：确定结构振动引起的声纳自噪声源的数值计算

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摘要

It is important to determinant sonar noise sources on a ship due to structural vibration. Much computation time is required for conventional simulation methods like BEM because it needs matrix inversion to determine the sound pressure on the radiating surface. In this paper, the simplified simulation method which reduces the calculation by using a vibroacoustric transfer function is proposed. This allows us to estimate the influence of the structural vibration inducced by the turbulent flow on the sonar self noise.

机译：确定船舶由于结构振动而产生的声纳噪声源很重要。传统的模拟方法（如BEM）需要大量的计算时间，因为它需要矩阵求逆才能确定辐射表面上的声压。本文提出了一种简化的仿真方法，该方法通过使用振动声传递函数来减少计算量。这使我们能够估计由湍流引起的结构振动对声纳自噪声的影响。

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来源
《Applied Acoustics》 |1999年第1期|p.19-32|共14页
作者
Takaaki Musha; Tatsuo Kikuchi;
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作者单位

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
中图分类声学;
关键词
Structure vibration; Soun radiation; Numerical calculation;

机译：结构振动;声辐射;数值计算;

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Numerical calculation for determining sonar self noise sources due to structural vibration

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