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標題: 數位影像法於圓管裂縫之分析
Digital Image Correlation for analysis of cracked cylindrical pipes
作者: 蔡舜吉
Cai, Shun-Ji
關鍵字: Digital Image Correlation;數位影像法
出版社: 土木工程學系所
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Choi and S.P. Shah, “ Measurement of Deformations on Concrete Subjected to Compression Using Image Correlation ”, Exp. Mech.,Vol. 37, pp. 307-313, 1997. 13.Sun, Z., Lyons, J.S. and McNeil, S.R., Measuring Microscopic Deformations with Digital Image Correlation. Optics and Lasers in Engineering 27(1997), p.409-428. 14.G. Vendroux and W.G. Knauss, 1998, “Submicron Deformation Field Measurements: Part 2. Improved Digital Image Correlation”, Experimental Mechanics, 38(2), 86-92 15.Sharpe, W.N., Turner, K.T. and Edwards, R.L. Tensile Testing of Polysilicon. Exp. Mech. 39(1999), p.162-170. 16.Knauss, W.G. and Chasiotis, I., A New Microtensile Tester for the study of MEMS Materials with the aid of Atomic Force Microscopy.Exp. Mech. 42(2002), p.51-57. 17.M. Dost, D. Vogel, T. Winkler, J. Vogel, R. Erv, E. Kieselstein, B. 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Cary, 2000, “Deformation Measurements by Digital Image Correlation: Implementation of a Second-order Displacement Gradient”, Experimental Mechanics, Vol. 40 (4), 393-400. 28.W.P. Vellinga and S. Onraet, 2000, “Measurement of Strain Fields in the Micron Range”, Proceedings of the joint Meeting of the BVM and the NVvM 2000 in Papendal, Arnhem, 110-111. 29. Ugural, A. C., 1981, Stresses in Plates and Shells, McGraw-Hill, Inc. 30.Timoshenko, S. and Woinowsky-Krieger, S., 1959, Theory of Plates and Shells. 2nd ed., pp. 431. 31.Timoshenko, S., 1955, Strength of Materials, Part I, 3rd ed., pp. 370. 32.Tracey, D. M. and Cook, T. S., 1977, “ Analysis of Power Type Singularities Using Finite Elements,” International Journal for Numerical Methods in Engineering, Vol. 11, pp. 1225-1233. 33.Zienkiewicz, O. C., 1977, The finite element method, McGraw-Hill,London. 34.Cook, R. D., Malkus, D. S., Plesha, M. E., 1989, Concepts and applications of finite element analysis, Wiley, N. J., U.S.A. 35.Reddy, J. N., 1993, An introduction to the finite element method, McGraw-Hill, N.Y., U.S.A. 36. Moaveni, S., 1999, Finite Element Analysis- Theory and Application with ANSYS, PRENTICE HALL, N. J., U.S.A. 37. 宋文沛,“壓力鋼管與Y型分歧管之加勁板破裂狀況及工程品質評估之研究”國立中興大學土木工程學系博士論文,2002。
裂縫尖端處產生應力集中現象,其結果會加速管線的破壞、降低其安全性與耐久性。本研究以數位影像相關係數法(Digital Image Correlation, DIC)技術,研討含裂縫之壓力鋼管因受內水壓力作用,其裂縫周圍之真實應變分佈檢測之可行性,並與無限小元素法分析結果相互驗證。

The stress concentration at the tip of the crack in the penstock may ignite the fast crack growth and lead to the total failure of the penstock. In the study, the technique of Digital Image Correlation (DIC) is applied to detect the strain distribution around the crack tip in a penstock subjected to the pressure of water. With the experiment results, the DIC solutions are in very good agreement with that of finite element within the elastic range of the material. This shows the technique of Digital Image Correlation is feasible in use for strain measurement for penstock.
其他識別: U0005-2107200921060700
Appears in Collections:土木工程學系所

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