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김유일 인하대 교수 - Operational modal analysis on the vessel with hydro-elastic response
글쓴이 관리자 등록일 2017/06/30
 김유일 인하대학교 교수(조선해양공학과)는 지난 5월 25일 오후 센터에서 ‘Operational modal analysis on the vessel with hydro-elastic response'를 주제로 세미나를 가졌다. 


 이날 세미나의 결론은 다음과 같다.

• Operational modal analysis is powerful and versatile technique in analyzing the measurement data, especially full scale one
• Modal parameters, such as mode shapes, natural frequencies and damping ratios can be successfully retrieved using OMA
• Understanding on the hydroelastic response of large container carrier is very important and measurement data combined with OMA provide rich information on the physics
• Damping of torsional vibration of container carrier turned out to be very significant, which may dramatically reduce torsional response
• Fatigue damage increase induced by hydroelastic response was very significant
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