Numerical Method of Radiation Impedance Calculation in Enclosed Space

摘要：

　　A numerical method for calculating the radiation impedance of sound sources in enclosed space is established in this paper.The correctness of the proposed method is verified by analytical results.Primarily, the radiation impedance of a pulsating sphere sound source in the free field and the enclosed space is analyzed using analytical calculation method.Furthermore, the radiation impedance of a pulsating ball sound source is calculated by acoustic finite element software Actran using the proposed numerical method.The research shows that the method of calculating the sound source radiation impedance by Actran is suitable for the analysis of the acoustic impedance characteristics of underwater sound sources.The numerical method established in this paper provides a useful numerical method to analyze the radiation impedance characteristics of underwater sound sources with complex geometric structure.

关键词： Radiation impedance Numerical calculation Enclosed space

作者: Rui TANG Xin FENG Yi-ming ZHANG Qi LI

作者单位: Acoustic Science and Technology Laboratory, Harbin Engineering University, Harbin 15001, China;Key L Acoustic Science and Technology Laboratory, Harbin Engineering University, Harbin 15001, China;Key L

会议类型: 国际会议

会议名称: 2018 International Conference on Physics, Computing and Mathematical Modeling(PCMM2018)(2018年物理计算和数学建模国际学术会议)

会议地点: 上海

会议语种:英文

页码: 295-299

在线出版日期: 2018-04-15（万方平台首次上网日期，不代表论文的发表时间）