臺灣博碩士論文加值系統

本研究提供三維數位影像相關(Three Dimensional Digital Image Correlation, 3D-DIC)法一新校正程序，以解決當校正試片難以改變位置並進行取像時之困擾。本研究分別藉由表面形貌分析、剛體平移實驗以及單軸向拉伸實驗，以驗證3D-DIC法於新校正程序下是否精準，另外也藉由實驗結果探討使用新校正程序時所要注意的事項。
本研究亦嘗試架設微觀3D-DIC系統，搭配新校正程序以解決微觀3D-DIC法於校正時所面臨的問題，並且藉由表面形貌分析與剛體平移實驗，以驗證所架設之微觀3D-DIC系統之可行性與精準度。同時也探討使用於微觀3D-DIC法，試件之特徵斑點的製作方法。

目錄

一、簡介 1
二、文獻回顧 4
三、實驗原理 11
3.1 數位影像相關法 11
3.2 變形與位移 12
3.3相關函數 14
3.4數值方法 16
3.4.1 粗-細法 16
3.4.2 牛頓-拉福森法 19
3.5 影像重建 24
3.5.1雙線性內插法 24
3.5.2 雙立方內插法 25
3.5.3 雙立方樣條內插法 26
3.6 三維影像相關法相機模型 27
3.7 理想相機參數計算流程 31
3.8 相機參數最佳化計算 35
3.9 討論 36
四、實驗裝置與試片 39
4.1 實驗裝置 39
4.2 實驗試片 42
五、實驗程序 43
5.1 DIC分析變形程序 43
5.2 試片製作 44
5.3 校正程序 46
5.3.1原校正程序 46
5.3.2新校正程序 47
5.4 新校正程序驗證實驗 47
5.4.1表面形貌分析 47
5.4.2 剛體平移實驗 48
5.4.3 標準鋁試片單軸向拉伸實驗 48
5.5 微觀實驗 49
六、實驗結果與討論 51
6.1 新校正程序之驗證 51
6.1.1表面形貌分析實驗 51
6.1.2 剛體平移實驗 53
6.1.3 標準鋁試片單軸向拉伸實驗 54
6.1.4 問題討論 56
6.2 進行校正注意事項 59
6.2.1校正試片大小的選擇 59
6.2.2亮度調整 60
6.2.3校正試片擺動技巧 61
6.3 微觀實驗結果 62
七、結論與未來展望 67
7.1 結論 67
7.2 未來展望 68
八、參考文獻 70

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