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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 국제구조공학회 Steel and Composite Structures, An International Journal Steel and Composite Structures, An International Journal Vol.32 No.5
- 발행연도
- 2019.1
- 수록면
- 643 - 655 (13page)
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초록· 키워드
오류제보하기
Perforation and cutouts of structures are compulsory in some modern applications such as in heat exchangers, nuclear power plants, filtration and microeletromicanical system (MEMS). This perforation complicates dynamic analyses of these structures. Thus, this work tends to introduce semi-analytical model capable of investigating the dynamic performance of perforated beam structure under free and forced conditions, for the first time. Closed forms for the equivalent geometrical and material characteristics of the regular square perforated beam regular square, are presented. The governing dynamical equation of motion is derived based on Euler-Bernoulli kinematic displacement. Closed forms for resonant frequencies, corresponding Eigen-mode functions and forced vibration time responses are derived. The proposed analytical procedure is proved and compared with both analytical and numerical analyses and good agreement is noticed. Parametric studies are conducted to illustrate effects of filling ratio and the number of holes on the free vibration characteristic, and forced vibration response of perforated beams. The obtained results are supportive in mechanical design of large devices and small systems (MEMS) based on perforated structure.
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참고문헌 (64)
참고문헌 신청
Abbasnejad, B. / 2012 / Mechanical behavior of a FGM micro-beam subjected to a nonlinear electrostatic pressure / Int. J. Mech. Mater. Des 8(4):381~392
Salima Abdelbari / 2018 / Single variable shear deformation model for bending analysis of thick beams / Structural Engineering and Mechanics, An Int＇l Journal 67(3):291~300
Akbarzade, M. / 2017 / Nonlinear dynamic analysis of an elastically restrained cantilever tapered beam / J. Appl. Mech. Tech. Phys 58(3):556~565
Bendali, A. / 2006 / May), "Holes effects on RF MEMS parallel membranes capacitors / Proceedings of Canadian Conference on Electrical and Computer Engineering, CCECE'06 :2140~2143
Benguediab, S. / 2017 / Elasticity solution for a cantilever beam with exponentially varying properties / J. Appl. Mech. Tech. Phys 58(2):354~361
Salima Abdelbari / 2018 / Single variable shear deformation model for bending analysis of thick beams / Structural Engineering and Mechanics, An Int＇l Journal 67(3):291~300
Akbarzade, M. / 2017 / Nonlinear dynamic analysis of an elastically restrained cantilever tapered beam / J. Appl. Mech. Tech. Phys 58(3):556~565
Bendali, A. / 2006 / May), "Holes effects on RF MEMS parallel membranes capacitors / Proceedings of Canadian Conference on Electrical and Computer Engineering, CCECE'06 :2140~2143
Benguediab, S. / 2017 / Elasticity solution for a cantilever beam with exponentially varying properties / J. Appl. Mech. Tech. Phys 58(2):354~361
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