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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 국제구조공학회 Smart Structures and Systems, An International Journal Smart Structures and Systems, An International Journal Vol.27 No.6
- 발행연도
- 2021.1
- 수록면
- 991 - 999 (9page)
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초록· 키워드
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Vibration characteristics of actuated Shape Memory Alloy (SMA) embedded smart composite beam are studied and it is extended to reduce the impact of resonance in cantilever beams. Smart composite beam with SMA embedded at neutral layer is studied for its vibrational characteristics under martensite and austenite conditions. The smart beam is developed as a analytical model incorporating the change in Young's modulus and damping factor under martensite and austenite conditions of SMA. The variation of natural frequency and damping are evaluated and verified with experimentation at different volume fraction of SMA. The thermo elastic nature of SMA and GFRP incorporated in the numerical model depicts the shift in natural frequency of 10% and reduction in magnification factor of 50% under actuation conditions. The frequency response of the smart beam depicts the capability of SMA in active vibration control and improvement of the structural health of composite beam. The thermo mechanical analytical model derived can be utilized to optimize the volume fraction of SMA to be embedded. The study can be extended to optimize actuation current to minimize the effect of resonance.
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참고문헌 (28)
참고문헌 신청
M. Bayat / 2020 / Structural health monitoring through nonlinear frequency-based approaches for conservative vibratory systems / Structural Engineering and Mechanics, An Int＇l Journal 73(3):331~337
H.N. BHARGAW / 2013 / Thermo-electric behaviour of NiTi shape memory alloy / Transactions of Nonferrous Metals Society of China 23(8):2329~2335
Dönmez, B. / 2010 / Precise position control using shape memory alloy wires / Turk J. Electric. Eng. Comput. Sci 18(5):899~912
Zhan-Sheng Guo / 2013 / A new temperature-dependent modulus model of glass/epoxy composite at elevated temperatures / Journal of Composite Materials 47(26):3303~3310
Gupta, K. / 2003 / Stiffness characteristics of fibre-reinforced composite shaft embedded with shape memory alloy wires / Defence Sci. J 53(2):167~173
H.N. BHARGAW / 2013 / Thermo-electric behaviour of NiTi shape memory alloy / Transactions of Nonferrous Metals Society of China 23(8):2329~2335
Dönmez, B. / 2010 / Precise position control using shape memory alloy wires / Turk J. Electric. Eng. Comput. Sci 18(5):899~912
Zhan-Sheng Guo / 2013 / A new temperature-dependent modulus model of glass/epoxy composite at elevated temperatures / Journal of Composite Materials 47(26):3303~3310
Gupta, K. / 2003 / Stiffness characteristics of fibre-reinforced composite shaft embedded with shape memory alloy wires / Defence Sci. J 53(2):167~173
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