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도덕희(Deoh-Hee Doh),황태규(Tae-Gyu Hwang),조용점(Yong-Beom Cho),상지웅(Ji-Woong Sang),편용범(Yong-Beom Pyeon) 한국마린엔지니어링학회 2004 한국마린엔지니어링학회 학술대회 논문집 Vol.2004 No.-
A non-contact 6D motion tracking system is proposed. The system consists of two color cameras, a color image grabber and a host computer. Motions of a floating vessel was measured by the constructed system. The instantaneous forces of the floating vessel are analyzed. The floating vessel was put on the water in a small water container in free conditions. The measured forces are reconstructed by the measurement results. The system can be used to non-contact measurements for 60 dynamic analysis of floating vessels.
디지털영상처리기술을 이용한 비접촉식 유체-구조물 연동운동 3차원 측정시스템 개발에 관한 연구
도덕희(DEOG-HEE DOH),조효제(HYO-JAE JO),상지웅(JI-WOONG SANG),황태규(TAE-GYU HWANG),조용범(YONG-BEOM CHO),편용범(YONG-BEOM PYEON) 한국해양공학회 2004 韓國海洋工學會誌 Vol.18 No.4
A simultaneous measurement system that can analyze the flow-structure interaction has been developed. This system consists of four CCD cameras, two for capturing instantaneous flow fields and two for tracking a solid body. The three-dimensional vector fields around a cylinder are measured, while the motion of the cylinder forced by the flow field is measured, simultaneously, with the constructed system. The cylinder is suspended in the working fluid of a water channel, and the surface of the working fluid is forced sinusoidally to make the cylinder bounced. Reynolds number for the mean main stream is about 3500. The interaction between the flow fields and the cylinder motion is examined quantitatively.