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논문 기본 정보
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- 학술저널
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- 국제구조공학회 Structural Engineering and Mechanics, An Int'l Journal Structural Engineering and Mechanics, An Int'l Journal Vol.80 No.2
- 발행연도
- 2021.10
- 수록면
- 201 - 210 (10page)
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This paper deals with the secondary vibration problem in the superharmonic case near the harmonic excitation of 1/3ωl, arising from the vibration nonlinearity that characterizes the slender and less damping laminated beam with composite material core. For this aim the multiple scale method in conjunction with the higher order zigzag theories are used to obtain the resonance responses. In the present work the nonlinear forced vibration problem of sandwich beams under harmonic excitation is solved by the multiples scales method, based by the introduction of an artificial parameter with higher order expansions, to control the nonlinear analytical solutions. The application of this method demonstrates the sensitivity of the sandwich beams with viscoelastic composite layer to the secondary superharmonic vibrations. Following, parametric study is conducted to demonstrate the vulnerability of the laminated structures to the superharmonic vibrations and to reduce as far as possible the amplitude vibrations achieved by more appropriated structural design. The results reveal the effect of the slenderness of the sandwich beams on the hardening changes. In the other hand the results demonstrate the importance of fibre orientation angle to reduce as far as possible the amplitude responses of the sandwich structures in superharmonic vibration case.
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참고문헌 (40)
참고문헌 신청
Moussa Abualnour / 2019 / Thermomechanical analysis of antisymmetric laminated reinforced composite plates using a new four variable trigonometric refined plate theory / Computers and Concrete, An International Journal 24(6):489~498
Abualnour, M. / 2018 / A novel quasi-3D trigonometric plate theory for free vibration analysis of advanced composite plates / Compos. Struct 184:688~697
Afaq, K. S. / 2003 / Un nouveau modèle raffiné pour les structures multicouches / ComptesRendus Des 13:289~292
Farshid Allahkarami / 2017 / Damping and vibration analysis of viscoelastic curved microbeam reinforced with FG-CNTs resting on viscoelastic medium using strain gradient theory and DQM / Steel and Composite Structures, An International Journal 25(2):141~155
Belouettar, S. / 2008 / Active control of nonlinear vibration of sandwich piezoelectric beams: A simplified approach / Comput. Struct. 86(3-5):386~397
Abualnour, M. / 2018 / A novel quasi-3D trigonometric plate theory for free vibration analysis of advanced composite plates / Compos. Struct 184:688~697
Afaq, K. S. / 2003 / Un nouveau modèle raffiné pour les structures multicouches / ComptesRendus Des 13:289~292
Farshid Allahkarami / 2017 / Damping and vibration analysis of viscoelastic curved microbeam reinforced with FG-CNTs resting on viscoelastic medium using strain gradient theory and DQM / Steel and Composite Structures, An International Journal 25(2):141~155
Belouettar, S. / 2008 / Active control of nonlinear vibration of sandwich piezoelectric beams: A simplified approach / Comput. Struct. 86(3-5):386~397
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