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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 국제구조공학회 Structural Engineering and Mechanics, An Int'l Journal Structural Engineering and Mechanics, An Int'l Journal Vol.79 No.5
- 발행연도
- 2021.9
- 수록면
- 641 - 652 (12page)
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초록· 키워드
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Many SMA-based dampers were presented and they can show both energy dissipating capability and self-centring property. This paper aims to a self-centring damper composed by two groups of pre-tensioned SMA wires and two precompressed springs. The three-dimensional solid finite element models of the damper are constructed at ANSYS Workbench environment, and the Auricchio’s model is used to simulate the superelastic behaviour of the SMA wires. To simulate the damper assembly process, the models of two springs are compressed and certain pre-tensions are imposed to the SMA wires. The initial stresses for the core components are figured out and imposed to the un-deformed damper. Then, the cyclic loads are imposed to the damper models and the mechanical behaviour of the damper is simulated. The numerical simulation results are compared with the theoretical analysis results based on the Brinson model of the SMA material. For a 1 m long damper with a 5 mm stroke in the case study, both the numerical and theoretical results show that a 35 kN reaction force is offered by the damper. The force-displacement curves of the damper model are flag-shaped, indicating the moderated energy dissipating capacity and full self-centring capability of the damper.
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참고문헌 (42)
참고문헌 신청
Arghavani, J. / 2010 / A 3-D phenomenological constitutive model for shape memory alloys under multiaxial loadings / Int. J. Plastic 26(7):976~991
Arghavani, J. / 2010 / A 3D finite strain phenomenological constitutive model for shape memory alloys considering martensite reorientation / Continuum. Mech. Therm 22(5):345~362
Asgarian, B. / 2016 / Application of intelligent passive devices based on shape memory alloys in seismic control of structures / Struct 5:161~169
Auricchio, F. / 1997 / A one-dimensional model for superelastic shape-memory alloys with different elastic properties between austenite and martensite / Int. J. Nonlin. Mech 32(6):1101~1114
Auricchio, F. / 1997 / Shapememory alloys: macromodelling and numerical simulations of the superelastic behaviour / Comput. Meth. Appl. M 146(3-4):281~312
Arghavani, J. / 2010 / A 3D finite strain phenomenological constitutive model for shape memory alloys considering martensite reorientation / Continuum. Mech. Therm 22(5):345~362
Asgarian, B. / 2016 / Application of intelligent passive devices based on shape memory alloys in seismic control of structures / Struct 5:161~169
Auricchio, F. / 1997 / A one-dimensional model for superelastic shape-memory alloys with different elastic properties between austenite and martensite / Int. J. Nonlin. Mech 32(6):1101~1114
Auricchio, F. / 1997 / Shapememory alloys: macromodelling and numerical simulations of the superelastic behaviour / Comput. Meth. Appl. M 146(3-4):281~312
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