한국소음진동공학회:학술대회논문집 (Proceedings of the Korean Society for Noise and Vibration Engineering Conference)
- 한국소음진동공학회 2012년도 추계학술대회 논문집
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- Pages.251-255
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- 2012
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- 1598-2548(pISSN)
진동 인텐시티 해석을 통한 원유운반선의 거주구 횡방향 진동 저감 연구
Transverse vibration reduction at navigation bridge deck of the shuttle tanker using structural intensity analysis
- 발행 : 2012.10.27
초록
Structural intensity has been mainly utilized to identify vibration energy flow in a vessel. In this paper, the structural intensity of a shuttle tanker subjected to H-moment of the main engine was calculated using a finite element model. From the analysis, it was found that the top-bracing elements, which support the main engine onto the hull structure to prevent the excessive transverse vibration of the main engine, play the role of the dominant path and sink for vibration energy flow from the main engine. Therefore, the structural intensity was controlled by the modification of stiffness and damping characteristics of the top-bracing elements. As a result, it is observed that the transverse vibration level at the center of navigation bridge deck decreased after the control of structural intensity.
키워드