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zqizheng金蟲 (小有名氣)
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[求助]
請幫忙查SCI檢索號的關(guān)注下吧。! 已有2人參與
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請幫忙查SCI檢索號的關(guān)注下吧!!非常感謝。。 初始懸賞金幣 10 個 Shock and Vibration上的論文 Title: An approximate analytical method of the nonlinear vibro-acoustic coupling system 今年六月份發(fā)表的。 |

金蟲 (正式寫手)

木蟲 (小有名氣)
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An Approximate Analytical Method of the Nonlinear Vibroacoustic Coupling System 作者:Zhou, QZ (Zhou, Qizheng)[ 1 ] ; Wang, DS (Wang, Deshi)[ 1 ] ; Zhu, YY (Zhu, Yongyong)[ 1 ] SHOCK AND VIBRATION 文獻(xiàn)號: 315416 DOI: 10.1155/2014/315416 出版年: 2014 查看期刊信息 摘要 An approximate analytical method of the nonlinear vibroacoustic coupling system is proposed for the first time. Taking the Duffing oscillator-plate-medium system as an example, the nonlinear vibroacoustic coupling equations are developed using variational principle. The two major difficulties which lie in solving the coupling equations are the uncertain motion of the oscillator and the surface acoustic pressure on the plate, a system for which the fluid-structure coupling cannot be neglected. Based on the incremental harmonic balance (IHB) method, the motion of the oscillator is expressed in the form of the Fourier series, and then the modal expression method and the incoherent assumption are employed to discretize the displacement and the surface pressure of the plate. Then the approximate analytical solution is given by the IHB method. The characteristics of acoustic radiation and surface quadratic velocity of the plate, the nonlinear characteristics of oscillator, and the influence of the excitation frequency and the nonlinear stiffness on the results are investigated by the numerical simulation. The results show that the excitation at the frequency close to the natural frequency of the oscillator can produce a significant response of the third-harmonic generation which determines the vibroacoustic characteristics of the plate. 關(guān)鍵詞 KeyWords Plus:MUTUAL RADIATION RESISTANCES; HARMONIC-BALANCE METHOD; THIN ELASTIC PLATES; RECTANGULAR PLATE; VIBRATION; FORMULATION; FIELDS; PANELS; SOUND; POWER 作者信息 通訊作者地址: Zhou, QZ (通訊作者) Naval Univ Engn, Dept Weaponry Engn, Wuhan 430033, Peoples R China. 地址: [ 1 ] Naval Univ Engn, Dept Weaponry Engn, Wuhan 430033, Peoples R China 電子郵件地址:zqizheng@sina.cn 基金資助致謝 基金資助機(jī)構(gòu) 授權(quán)號 National Natural Science Foundation of China 11372350 查看基金資助信息 出版商 HINDAWI PUBLISHING CORPORATION, 410 PARK AVENUE, 15TH FLOOR, #287 PMB, NEW YORK, NY 10022 USA 類別 / 分類 研究方向:Acoustics; Engineering; Mechanics Web of Science 類別:Acoustics; Engineering, Mechanical; Mechanics 文獻(xiàn)信息 文獻(xiàn)類型:Article 語種:English 入藏號: WOS:000336538900001 ISSN: 1070-9622 電子 ISSN: 1875-9203 期刊信息 [ 發(fā)自手機(jī)版 http://www.gaoyang168.com/3g ] |
鐵桿木蟲 (著名寫手)
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標(biāo)題: An Approximate Analytical Method of the Nonlinear Vibroacoustic Coupling System 作者: Zhou, QZ (Zhou, Qizheng); Wang, DS (Wang, Deshi); Zhu, YY (Zhu, Yongyong) 來源出版物: SHOCK AND VIBRATION 文獻(xiàn)號: 315416 DOI: 10.1155/2014/315416 出版年: 2014 Web of Science 核心合集中的 "被引頻次": 0 被引頻次合計: 0 引用的參考文獻(xiàn)數(shù): 22 摘要: An approximate analytical method of the nonlinear vibroacoustic coupling system is proposed for the first time. Taking the Duffing oscillator-plate-medium system as an example, the nonlinear vibroacoustic coupling equations are developed using variational principle. The two major difficulties which lie in solving the coupling equations are the uncertain motion of the oscillator and the surface acoustic pressure on the plate, a system for which the fluid-structure coupling cannot be neglected. Based on the incremental harmonic balance (IHB) method, the motion of the oscillator is expressed in the form of the Fourier series, and then the modal expression method and the incoherent assumption are employed to discretize the displacement and the surface pressure of the plate. Then the approximate analytical solution is given by the IHB method. The characteristics of acoustic radiation and surface quadratic velocity of the plate, the nonlinear characteristics of oscillator, and the influence of the excitation frequency and the nonlinear stiffness on the results are investigated by the numerical simulation. The results show that the excitation at the frequency close to the natural frequency of the oscillator can produce a significant response of the third-harmonic generation which determines the vibroacoustic characteristics of the plate. 入藏號: WOS:000336538900001 語種: English 文獻(xiàn)類型: Article KeyWords Plus: MUTUAL RADIATION RESISTANCES; HARMONIC-BALANCE METHOD; THIN ELASTIC PLATES; RECTANGULAR PLATE; VIBRATION; FORMULATION; FIELDS; PANELS; SOUND; POWER 地址: [Zhou, Qizheng; Wang, Deshi; Zhu, Yongyong] Naval Univ Engn, Dept Weaponry Engn, Wuhan 430033, Peoples R China. 通訊作者地址: Zhou, QZ (通訊作者),Naval Univ Engn, Dept Weaponry Engn, Wuhan 430033, Peoples R China. 電子郵件地址: zqizheng@sina.cn 出版商: HINDAWI PUBLISHING CORPORATION 出版商地址: 410 PARK AVENUE, 15TH FLOOR, #287 PMB, NEW YORK, NY 10022 USA Web of Science 類別: Acoustics; Engineering, Mechanical; Mechanics 研究方向: Acoustics; Engineering; Mechanics IDS 號: AI0LL ISSN: 1070-9622 電子 ISSN: 1875-9203 29 字符的來源出版物名稱縮寫: SHOCK VIB ISO 來源出版物縮寫: Shock Vib. 來源出版物頁碼計數(shù): 10 基金資助致謝: 基金資助機(jī)構(gòu) 授權(quán)號 National Natural Science Foundation of China 11372350 This work was supported by National Natural Science Foundation of China (Grant no. 11372350). |
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