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      [1]楊德森,王文博,時潔,等.有限潛深圓柱殼低頻矢量聲場特性分析[J].哈爾濱工程大學學報,2020,41(2):166-174.[doi:10.11990/jheu.201902038]
       YANG Desen,WANG Wenbo,SHI Jie,et al.Low-frequency vector sound field characteristic analysis of a cylindrical shell with finite submerged depth[J].hebgcdxxb,2020,41(2):166-174.[doi:10.11990/jheu.201902038]
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      有限潛深圓柱殼低頻矢量聲場特性分析(/HTML)
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      《哈爾濱工程大學學報》[ISSN:1006-6977/CN:61-1281/TN]

      卷:
      41
      期數:
      2020年2期
      頁碼:
      166-174
      欄目:
      出版日期:
      2020-02-05

      文章信息/Info

      Title:
      Low-frequency vector sound field characteristic analysis of a cylindrical shell with finite submerged depth
      作者:
      楊德森123 王文博3 時潔123 張宇涵3
      1. 哈爾濱工程大學 水聲技術重點實驗室, 黑龍江 哈爾濱 150001;
      2. 海洋信息獲取與安全工業與信息化部重點實驗室(哈爾濱工程大學), 黑龍江 哈爾濱 150001;
      3. 哈爾濱工程大學 水聲工程學院, 黑龍江 哈爾濱 150001
      Author(s):
      YANG Desen123 WANG Wenbo3 SHI Jie123 ZHANG Yuhan3
      1. Acoustic Science and Technology Laboratory, Harbin Engineering University, Harbin 150001, China;
      2. Key Laboratory of Marine Information Acquisition and Security(Harbin Engineering University), Ministry of Industry and Information Technology, Harbin 150001, China;
      3. College of Underwater Acoustic Engineering, Harbin Engineering University, Harbin 150001, China
      關鍵詞:
      自由液面圓柱殼單元輻射疊加法鏡像法聲場矢量信息
      分類號:
      P733.24
      DOI:
      10.11990/jheu.201902038
      文獻標志碼:
      A
      摘要:
      為解決復雜結構水下矢量聲場預報問題盛兴娱乐登陆,本文基于單元輻射疊加法,結合鏡像法建立了有限潛深圓柱殼的聲場修正模型,結合具體算例分析了有限潛深圓柱殼低頻輻射聲場分布特性和傳播特性。研究結果表明:單元輻射疊加法與傳統邊界元法計算得到的結構遠場輻射噪聲結果具有良好的一致性;受自由液面影響,圓柱殼的輻射聲場有深度方向上的波動特性盛兴娱乐登陆;對聲場矢量信息的研究顯示,在遠離圓柱殼的聲場中,聲能量更多地沿水平方向傳播;在遠距離固定場點輻射聲壓及振速隨浸沒深度變化的曲線上,峰值間距與介質聲波波長之比是定值,不隨頻率變化。研究結論可為結構輻射聲預報、噪聲控制及噪聲測量等工作提供理論依據和有用的先驗信息盛兴娱乐登陆。

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      備注/Memo

      備注/Memo:
      收稿日期:2019-02-27盛兴娱乐登陆。
      基金項目:國家自然科學基金項目(11674074).
      作者簡介:楊德森,男,教授,博士生導師,中國工程院院士;時潔,女,副教授,博士生導師.
      通訊作者:時潔,E-mail:shijie@hrbeu.edu.cn.
      更新日期/Last Update: 2020-03-24
      盛兴娱乐登陆