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完整後設資料紀錄
DC 欄位 | 值 | 語言 |
---|---|---|
dc.contributor.advisor | 吳光鐘 | |
dc.contributor.author | Yu-Li Hou | en |
dc.contributor.author | 侯雨利 | zh_TW |
dc.date.accessioned | 2021-06-08T05:23:42Z | - |
dc.date.copyright | 2011-08-02 | |
dc.date.issued | 2011 | |
dc.date.submitted | 2011-07-28 | |
dc.identifier.citation | [1] G. C. Sih, Mechanics of Fracture, Vol. 4. Noordhoff, Leyden (1977).
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dc.identifier.uri | http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/24375 | - |
dc.description.abstract | 本研究主要在探討非共線多裂縫位於均質的無限線彈性體內,受到反平面動態荷重之應力強度因子。
本文係利用差排模擬裂縫,建構出裂縫面上應力分布的積分方程式,再將積分方程式進行拉普拉斯積分轉換,之後再使用高斯-柴比雪夫積分法將方程式離散,進而得到拉普拉斯轉換域下之數值解形式。接著利用雅克比多項式做拉普拉斯逆轉換,得到時域下裂縫之應力強度因子。 本文計算了非共線等長無錯位雙裂縫或三裂縫、非共線等長錯位雙裂縫、非共線不等長無錯位雙裂縫與非共線不等長錯位雙裂縫的應力強度因子。由非共線等長無錯位雙裂縫的結果與文獻結果比較得知,本方法有極高的準確性。 | zh_TW |
dc.description.abstract | The stress intensity factor of non-collinear cracks in a homogeneous linear elastic body under anti-plane dynamic load is constructed in this study.
Distribution of dislocations is used to simulate the cracks and derive the integral equation which relating tractions on the crack planes. The integral equation in the Laplace transform domain is solved by Gaussian-Chebyshev integration quadrature. Then, Jacobi-Polynomials is used in a numerical inverse Laplace scheme to calculate the stress intensity factor in the time domain. Specifically the cases studied include: two or three non-collinear cracks of identical length without malposition, a pair of non-collinear cracks of identical or different lengths with malposition and a pair of non-collinear cracks of different lengths without malposition. Comparison of the numerical result for two non-collinear cracks of identical length without malposition with literature shows that the present method is highly accurate. | en |
dc.description.provenance | Made available in DSpace on 2021-06-08T05:23:42Z (GMT). No. of bitstreams: 1 ntu-100-R98543060-1.pdf: 4174786 bytes, checksum: 7873e53a458d56180034037f7bbcec6f (MD5) Previous issue date: 2011 | en |
dc.description.tableofcontents | 摘要 I
Abstrac II 目錄 III 圖目錄 IV 第一章 導論 1 1.1. 研究動機與文獻回顧 1 1.2. 論文架構 3 第二章 基本理論 4 2.1. 破壞力學簡介 4 2.2. 動態積分方程式 6 第三章 非共線多裂縫系統 11 3.1. 非共線多裂縫系統積分方程式之數值解法 11 3.2. 拉普拉斯逆變換之數值方法 17 第四章 差排模擬所得裂縫應力強度因子之數值結果 20 4.1. 各項參數精準度之討論 21 4.2. 非共線等長無錯位雙裂縫應力強度因子之數值結果 37 4.3. 非共線等長無錯位三裂縫應力強度因子之數值結果 40 4.4. 非共線等長錯位雙裂縫應力強度因子之數值結果 47 4.5. 非共線不等長無錯位雙裂縫應力強度因子之數值結果 50 4.6. 非共線不等長錯位雙裂縫應力強度因子之數值結果 56 第五章 結論與未來展望 60 5.1. 結論 60 5.2. 未來展望 62 文獻回顧 63 | |
dc.language.iso | zh-TW | |
dc.title | 非共線多裂縫受反平面荷重之動態分析 | zh_TW |
dc.title | Dynamic Analysis of Non-collinear Cracks under Anti-plane Loading | en |
dc.type | Thesis | |
dc.date.schoolyear | 99-2 | |
dc.description.degree | 碩士 | |
dc.contributor.oralexamcommittee | 馬劍清,張正憲 | |
dc.subject.keyword | 非共線多裂縫,均質,線彈性,反平面動態荷重,應力強度因子,差排,拉普拉斯積分轉換,高斯-柴比雪夫積分法,雅克比多項式,拉普拉斯逆轉換, | zh_TW |
dc.subject.keyword | non-collinear cracks,homogeneous,linear elastic,anti-plane dynamic load,dislocations,Laplace Integration Transform,Gauss-Chebyshev Integration Formula,Jacobi-Polynomials,Laplace Inverse Transform, | en |
dc.relation.page | 65 | |
dc.rights.note | 未授權 | |
dc.date.accepted | 2011-07-28 | |
dc.contributor.author-college | 工學院 | zh_TW |
dc.contributor.author-dept | 應用力學研究所 | zh_TW |
顯示於系所單位: | 應用力學研究所 |
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