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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2017.2
- 수록면
- 72 - 79 (8page)
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초록· 키워드
오류제보하기
A full treatment of damping material is not an effective method because the damping effect is not significantly increased compared to that obtained by an effective partial damping treatment. Thus, a variety of methodologies has been considered in order to achieve an optimal damping treatment. One of the widely applied approaches is topology optimization. However, the high computational expenses can be an issue in topology optimization. A new efficient convergence criterion, reducible design variable method (RDVM), is applied to reduce computational expense in topology optimization. The idea of RDVM topology optimization is to adaptively reduce the number of design variables based on the history. The iteration repeats until the number of design variables becomes zero. The aim of this research is to adopt RDVM topology optimization into obtaining an optimal damping treatment. In order to demonstrate the effectiveness and efficiency of RDVM topology optimization, optimal damping layouts and computational expenses are compared between conventional and RDVM topology optimization.
목차
ABSTRACT
1. 서론
2. 점탄성 물질 모델링
3. 위상최적설계
4. 수치해석
5. 결론 및 고찰
References
참고문헌 (10)
참고문헌 신청
Mohan, D. R., 2003, Recent Applications of Viscoelastic Damping for Noise Control in Automobiles and Commercial Airplanes, Journal of Sound and Vibration, Vol. 262, No. 3, pp. 457~474.
Jones, D. I. G., 2001, Handbook of Viscoelastic Vibration Damping, John Wiley & Sons Ltd, New York.
Yamamoto, T., Yamada, T. Izui, K. and Nishiwaki, S., 2015, Topology Optimization of Free-layer Damping Material on a Thin Panel for Maximizing Modal Loss Factors Expressed by Only Real Eigenvalues, Journal of Sound and Vibration, Vol. 358, pp. 84~96.
Zhang, X. and Kang, Z., 2013 Topology Optimization of Damping Layers for Minimizing Sound Radiation of Shell Structures, Journal of Sound and Vibration, Vol. 332, No. 10, pp. 2500~2519.
Kim, S. Y., Mechefske, C. K. and Kim, I. Y., 2013, Optimal Damping Layout in a Shell Structure Using Topology Optimization, Journal of Sound and Vibration, Vol. 332, No. 12, pp. 2873~2883.
Yamamoto, T., Yamada, T. Izui, K. and Nishiwaki, S., 2015, Topology Optimization of Free-layer Damping Material on a Thin Panel for Maximizing Modal Loss Factors Expressed by Only Real Eigenvalues, Journal of Sound and Vibration, Vol. 358, pp. 84~96.
Zhang, X. and Kang, Z., 2013 Topology Optimization of Damping Layers for Minimizing Sound Radiation of Shell Structures, Journal of Sound and Vibration, Vol. 332, No. 10, pp. 2500~2519.
Kim, S. Y., Mechefske, C. K. and Kim, I. Y., 2013, Optimal Damping Layout in a Shell Structure Using Topology Optimization, Journal of Sound and Vibration, Vol. 332, No. 12, pp. 2873~2883.
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UCI(KEPA) : I410-ECN-0101-2017-424-002114259