ホログラフィ干渉計測および3次元計測による薄肉構造部材の非破壊検査に関する研究
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概要
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A non-contact and portable 3D measurement system has been developed for measuring the three dimensional profiles of membrane and shell structures. By the present system, the surface profiles of twisted thin shells are measured, and free vibrations of finite element analysis are carried out by using measured 3D data. Their resonance vibration modes are obtained by forming a hologram on photographic plate, using the time-average method of holographic interferometry.In this study, it was examined about applicable possibility to the non-destructive test of thinwalled structures of 3D-optic measurement and holographic interferometry.
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