各種載重作用下neo-Hookean材料微孔動態分析

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姓名

吳翊安(Yi-An Wu) 查詢紙本館藏

畢業系所

土木工程學系

論文名稱

各種載重作用下neo-Hookean材料微孔動態分析

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摘要(中)

摘要　　　　　　
當材料承受動力荷載時，會使材料中的孔洞產生震動，而微孔震動的情形，可能受外力強度、頻率、種類等因素的影響。
本篇論文延續前人對於材料受動態荷載作用下孔洞震動情形的研究成果。對各種不同種類的外力作用下微孔的振動進行探討，找尋不同種類外力作用下微孔震動型態的相似之處。除此之外，論文中也探討微孔的初始孔徑改變之下，頻譜圖是否跟著改變且有特定的趨勢。

摘要(英)

Abstract
When a material is subjected to dynamic loads, the micro void in the material will vibrate.The vibration may be affected by the intensity, frequency and type of the external load and so on.
This thesis extends the previous research for the vibration of a cavity in a material which is subjected to dynamic loads. We study different types of micro-void vibrations which are induced by different external forces and look for the similarities between these vibrations. In addition, we also investigate whether the response spectrums change or not when the initial diameter of the micro- void changes.

關鍵字(中)

★ 微孔
★ 新虎克
★ 動態載重

關鍵字(英)

★ neo-Hookean
★ dynamic load

論文目次

目錄
摘要　　　　　　 II
Abstract III
目錄 IV
圖片目錄 VI
表格目錄 XI
符號表 I
第一章導論 1
第二章基礎理論 3
第三章 neo-Hookean圓球基本震動型態 8
第四章各種載重作用下微孔的震動型態 11
4-1 Sine型態載重引起的震動 11
4-1-1 fq=1 11
4-1-2 Fq=2 16
4-2 teeth型態載重引起的震動 33
4-3 step型載重引起的震動 40
4-4 cosine型和shiftstep型載重引起的震動 45
4-4-1 cosine型載重引起的震動 45
4-4-2 Shiftstep型載重引起的震動 49
第五章各種不同種類的外力作用下頻譜圖的比較 54
5-1 外力p值相同時各種荷重頻譜 54
5-1-1 P=1 54
5-1-2 P=0.5 63
5-1-3 P=2 65
5-1-4 P=2.2 69
5-1-5 P=2.3 75
5-2 外力累積量I值相同 80
5-2-1 sine型外力作用下的頻譜 80
5-2-2 Teeth型外力作用下的頻譜 82
5-2-3 step型外力作用下的頻譜 83
5-2-4 cosine型外力作用下的頻譜 84
5-2-5 shiftstep型外力作用下的頻譜 85
第六章微孔初始大小對共振的影響 87
6-1 sine型外力作用下的頻譜 87
6-1-1 p=2 87
6-1-2 P=1 89
6-2 teeth型外力作用下的頻譜 93
6-2-1 P=2 94
6-2-2 P=1 97
6-3 step型外力作用下的頻譜 99
6-3-1 p=1 99
6-4 cosine型外力作用下的頻譜 101
6-4-1 p=2.3 101
6-5 stepshift型外力作用下的頻譜 103
6-5-1 P=1 103
第七章結論 106
參考文獻 108

參考文獻

參考文獻
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指導教授

李顯智(Hin-chi Lei)

審核日期

2013-7-18

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