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研究生:楊正文
研究生(外文):Cheng-Wen Yang
論文名稱:多元調諧質量阻尼器之設計參數比較分析
論文名稱(外文):Comparative Study of Designed Parameter of Multiple Tuned Mass damper
指導教授:林其璋林其璋引用關係
指導教授(外文):Chi-Chang Lin
學位類別:碩士
校院名稱:國立中興大學
系所名稱:土木工程學系所
學門:工程學門
學類:土木工程學類
論文種類:學術論文
論文出版年:2006
畢業學年度:94
語文別:中文
論文頁數:102
中文關鍵詞:多元調諧質量阻尼器
外文關鍵詞:MTMD
相關次數:
  • 被引用被引用:15
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  • 下載下載:0
  • 收藏至我的研究室書目清單書目收藏:1
本文主要探討比較建築結構裝設三種不同設計方式之多元調諧質量阻尼器(Multiple Tuned Mass Damper,簡稱MTMD)之控制效用,並在考量經濟效益及控制效用之下,選擇最實用之MTMD設計方法,以期日後進行振動台模型結構試驗。在MTMD總質量固定之下,第一種方法為每一TMD具有相同質量,採用相同阻尼比、均佈頻率比之最佳設計,第二種方法是每一TMD具有相同質量,相同阻尼比,但每個TMD頻率比皆為獨立變數之最佳設計,第三種方法為設定每一TMD質量都不相同,但具有相同之阻尼係數及相同勁度係數,而其頻率比為獨立變數之最佳設計,由於阻尼係數及勁度係數相等,具有同一規格,因此相較於前二種設計方法,更具實用性。根據國家地震工程研究中心之標竿三層樓鋼構架,本文模擬分析裝設三種不同設計方法之MTMD,經由數值模擬分析發現三種設計方式具有等值的控制效用,未來將可與實驗結果比較與驗證。
The thesis deals with the comparison of three types of multiple tuned mass damper (MTMD) design for a shaking-table test building to choose the most practical design method with the consideration of economical and vibration control effectiveness. With the same total MTMD mass, the first type is to assign each MTMD substructure to has the same mass and damping ratio, and to let the MTMD frequencies being uniform distributed. For the second type, each MTMD substructure has the same mass and damping ratio but independent frequency ratio. As to the third type, each MTMD substructure has the same damping and stiffness coefficients with independent frequency ratio, which results in different MTMD substructure mass. Because the spring and damper can be identical, the third type design becomes more practical than the others. Using the three-story steel structure model in the National Center for Research on Earthquake Engineering, the optimal MTMD parameters of the three types were calculated and the analysis of MTMD vibration control effectiveness was performed numerically. It is shown that the three type MTMDs have almost the similar control efficiency, which can be validated through the shake table test in the future.
謝誌 i
中文摘要 ii
ABSTRACT iii
目錄 iv
表格目錄 vi
圖形目錄 vii
第一章 緒論 1
1.1 研究動機與目的 1
1.2 文獻回顧 2
1.3 本文內容 4
第二章 多自由度結構裝設MTMD之設計理論 6
2.1 MTMD動態平衡方程式之理論推導 6
2.2 轉換函數 11
2.3 均方反應與均方反應比 13
第三章 MTMD之最佳化設計參數探討 15
3.1質量比和模態質量比之探討 16
3.2 MTMD最佳化參數設計方法(I) 17
3.3 MTMD最佳化參數設計方法(II) 18
3.4 MTMD最佳化參數設計方法(III) 20
第四章 結構裝設MTMD之數值模擬 23
4.1 結構物簡介 23
4.2 結構裝設MTMD最佳化設計 24
4.2.1 MTMD最佳化設計參數 25
4.2.2 三種轉換函數之比較 27
4.3 白噪音外力 28
4.3.1 三種方法之比較 29
4.4 實際地震歷時反應 29
4.4.1 三種方法之比較 30
第五章 結論與建議 32
參考文獻 34
符號表 38
表格 40
圖形 57
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