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    Please use this identifier to cite or link to this item: http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/106654


    Title: 含飽和流體多孔彈性圓板之脈衝響應
    Authors: 蔡慧駿;葉豐輝;陳正輝
    Keywords: 多孔彈性圓板;頻域有限元素法;彈性支撐;彎曲振動;脈衝響應
    Date: 2015-11-20
    Issue Date: 2016-04-27 11:19:59 (UTC+8)
    Abstract: 本文使用Biot多孔彈性理論推導含飽和流體多孔彈性板之彎曲振動統御方程組,再於頻域中推導多孔彈性板元素之剛性矩陣,藉由彈性邊界限制與脈衝負荷完成頻域有限元素分析,探討多孔彈性圓板之彎曲振動頻域響應。文中經彈性邊界限制、模態頻率與模態行為之脈衝響應驗證結果顯示本研究之頻域有限元素分析確可準確預估多孔彈性圓板受彈性支撐之彎曲振動行為。由多孔彈性圓板模態振幅衰減結果可發現含飽和流體多孔彈性圓板因內含流體與固體架構耦合作用而有特殊之動態消散特性。藉由飽和流體之改變將可調整多孔彈性圓板之模態頻率與振幅,進而達到振動控制之目的。
    Relation: 第三十九屆全國力學會議論文集
    Appears in Collections:[機械與機電工程學系暨研究所] 會議論文

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