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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.25 No.1
- 발행연도
- 2020.1
- 수록면
- 57 - 64 (8page)
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The nonlinear dynamics of a directly forced clamped-clamped-free-free magneto-rheological elastomer (MRE) sandwich shell has been experimentally investigated. Experiments have been conducted on an aluminium shallow shell (shell A) and an MRE-aluminium sandwich shallow shell with single curvature (shell B). An electrodynamic shaker has been used to directly force shells A and B in the vicinity of their fundamental resonance frequency; a laser displacement sensor has been used to measure the vibration amplitude to construct the frequency-response curves. It was observed that for an aluminium shell (shell A), that at small forcing amplitudes, a weak softening-type nonlinear behaviour was observed, however, at higher forcing amplitudes the nonlinear dynamical behaviour shifted and a strong hardening-type response occurred. For the MRE shell (shell B), the effect of forcing amplitude showed softening at low magnetic fields and hardening for medium magnetic fields; it was also observed the mono-curved MRE sandwich shell changed dynamics to quasiperiodic displacement at some frequencies, from a periodic displacement. The presence of a magnetic field, initial curvature, and forcing amplitude has significant qualitative and quantitative effects on the nonlinear dynamical response of a mono curved MRE sandwich shell.
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참고문헌 (26)
참고문헌 신청
S. Aguib / 2014 / Dynamic behavior analysis of a magnetorheological elastomer sandwich plate / International Journal of Mechanical Sciences 87:118~136
Mirosław Bocian / 2017 / Tunable Absorption System based on magnetorheological elastomers and Halbach array: design and testing / Journal of Magnetism and Magnetic Materials 435:46~57
J.David Carlson / 2000 / MR fluid, foam and elastomer devices / Mechatronics 10(4-5):555~569
H.X. Deng / 2007 / Adaptive Tuned Vibration Absorber based on Magnetorheological Elastomer / Journal of Intelligent Material Systems and Structures 18(12):1205~1210
Bartłomiej Dyniewicz / 2015 / Semi-active control of a sandwich beam partially filled with magnetorheological elastomer / Mechanical Systems and Signal Processing 60-61:695~705
Mirosław Bocian / 2017 / Tunable Absorption System based on magnetorheological elastomers and Halbach array: design and testing / Journal of Magnetism and Magnetic Materials 435:46~57
J.David Carlson / 2000 / MR fluid, foam and elastomer devices / Mechatronics 10(4-5):555~569
H.X. Deng / 2007 / Adaptive Tuned Vibration Absorber based on Magnetorheological Elastomer / Journal of Intelligent Material Systems and Structures 18(12):1205~1210
Bartłomiej Dyniewicz / 2015 / Semi-active control of a sandwich beam partially filled with magnetorheological elastomer / Mechanical Systems and Signal Processing 60-61:695~705
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