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Xiong Jishi, Wu Chongjian, Xu Zhiyun, Zeng Gewei. 三维数字空间法与波叠加法结合的近场声辐射计算J. Chinese Journal of Ship Research, 2011, 6(1): 41-45. DOI: 10.3969/j.issn.1673-3185.2011.01.008
Citation:
Xiong Jishi, Wu Chongjian, Xu Zhiyun, Zeng Gewei. 三维数字空间法与波叠加法结合的近场声辐射计算J. Chinese Journal of Ship Research, 2011, 6(1): 41-45. DOI: 10.3969/j.issn.1673-3185.2011.01.008
Xiong Jishi, Wu Chongjian, Xu Zhiyun, Zeng Gewei. 三维数字空间法与波叠加法结合的近场声辐射计算J. Chinese Journal of Ship Research, 2011, 6(1): 41-45. DOI: 10.3969/j.issn.1673-3185.2011.01.008
Citation:
Xiong Jishi, Wu Chongjian, Xu Zhiyun, Zeng Gewei. 三维数字空间法与波叠加法结合的近场声辐射计算J. Chinese Journal of Ship Research, 2011, 6(1): 41-45. DOI: 10.3969/j.issn.1673-3185.2011.01.008
三维数字空间法与波叠加法结合的近场声辐射计算
Xiong Jishi
,
Wu Chongjian
,
Xu Zhiyun
,
Zeng Gewei
Graphical Abstract
Graphical Abstract
Abstract
Abstract
传统的波叠加法是边界元法的有效替代方法,其具有计算速度快计算精度较高等优点,但是也有复杂模型的建立较困难,以及对模型适应性较差等缺点。为了克服传统波叠加法的缺点,从而使其能够计算较为复杂模型的声辐射,将三维数字空间方法与传统波叠加法结合,因为三维数字空间方法具有建模迅速,对模型适应性很好等优点。分别采用边界表示法和体积表示法建模,且通过简单算例计算表明,采用这两种方法与传统波叠加法结合计算外场声辐射是完全可行的,并且结果的精确度相对较高,采用边界表示法的效率相对较高。
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