姚熊亮, 钱德进, 张妍. 水下结构声辐射时域数值分析法研究[J]. 中国舰船研究, 2006, 1(5-6): 30-35. DOI: 10.3969/j.issn.1673-3185.2006.06.007
引用本文: 姚熊亮, 钱德进, 张妍. 水下结构声辐射时域数值分析法研究[J]. 中国舰船研究, 2006, 1(5-6): 30-35. DOI: 10.3969/j.issn.1673-3185.2006.06.007
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Yao Xiongliang, 　 Qian Dejin, 　 Zhang Yan　. Numerical Analysis Method for Sound Radiation of Underwater Structure in Time Domain[J]. Chinese Journal of Ship Research, 2006, 1(5-6): 30-35. DOI: 10.3969/j.issn.1673-3185.2006.06.007
Citation: Yao Xiongliang, 　 Qian Dejin, 　 Zhang Yan　. Numerical Analysis Method for Sound Radiation of Underwater Structure in Time Domain[J]. Chinese Journal of Ship Research, 2006, 1(5-6): 30-35. DOI: 10.3969/j.issn.1673-3185.2006.06.007
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水下结构声辐射时域数值分析法研究

Numerical Analysis Method for Sound Radiation of Underwater Structure in Time Domain

    摘要
  • 摘要: 采用有限元和无限元相结合的方法,对水下加筋圆柱壳结构的声辐射进行了数值计算.首先利用ANSYS软件建立声振模型,并在时域内计算流固耦合振动,给出可用于声学分析的数据文件;再利用SYSNOISE软件采用无限元法在时域内计算辐射声场,并将计算结果与实验值进行了对比.结果表明,提出的在时域内进行水下结构声辐射的计算是切实可行的,为水下结构声辐射仿真研究提供了新的方法.

     

    Abstract: The numerical calculation of underwater structure＇s acoustic radiated field has been carried out with the FEM and I-FEM. At first, the vibration acoustic model was built by ANSYS and the fluid-structural coupled vibration in time domain was also calculated. Data file for acoustic analysis was therefore presented. Then it worked out the acoustic radiated field in time domain with IFEM by SYSNOISE, the calculated results were com pared with the experimental results. The comparative result shows the validity of the proposed method.

     

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