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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.28 No.4
- 발행연도
- 2021.10
- 수록면
- 515 - 533 (19page)
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초록· 키워드
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The goal of this manuscript is to develop a nonclassical size dependent model to study and analyze the dynamic behaviour of the perforated Reddy nanobeam under moving load including the length scale and microstructure effects, that not considered before. The kinematic assumption of the third order shear deformation beam theory in conjunction with modified continuum constitutive equation of nonlocal strain gradient (NLSG) elasticity are proposed to derive the equation of motion of nanobeam included size scale (nonlocal) and microstructure (strain gradient) effects. Mathematical expressions for the equivalent geometrical parameters due to the perforation process of regular squared pattern are developed. Based on the virtual work principle, the governing equations of motion of perforated Reddy nanobeams are derived. Based on Navier's approach, an analytical solution procedure is developed to obtain free and forced vibration response under moving load. The developed methodology is verified and checked with previous works. Impacts of perforation, moving load velocity, microstructure parameter and nonlocal size scale effects on the dynamic and vibration responses of perforated Reddy nanobeam structures have been investigated in a wide context. The obtained results are supportive for the design of MEMS/NEMS structures such as frequency filters, resonators, relay switches, accelerometers, and mass flow sensors, with perforation.
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참고문헌 (119)
참고문헌 신청
A. A. Abdelrahman / 2020 / On bending and buckling responses of perforated nanobeams including surface energy for different beams theories / Engineering with Computers :1~27
Alaa A. Abdelrahman / 2019 / Free and forced analysis of perforated beams / Steel and Composite Structures, An International Journal 31(5):489~502
Abdelrahman, A. A. / 2020 / Static bending of perforated nanobeams including surface energy and microstructure effects / Eng. Comput :1~21
Alaa A. Abdelrahman / 2020 / On bending analysis of perforated microbeams including the microstructure effects / Structural Engineering and Mechanics, An Int＇l Journal 76(6):765~779
Alaa A. Abdelrahman / 2021 / Dynamics of perforated nanobeams subject to moving mass using the nonlocal strain gradient theory / Applied Mathematical Modelling 96:215~235
Alaa A. Abdelrahman / 2019 / Free and forced analysis of perforated beams / Steel and Composite Structures, An International Journal 31(5):489~502
Abdelrahman, A. A. / 2020 / Static bending of perforated nanobeams including surface energy and microstructure effects / Eng. Comput :1~21
Alaa A. Abdelrahman / 2020 / On bending analysis of perforated microbeams including the microstructure effects / Structural Engineering and Mechanics, An Int＇l Journal 76(6):765~779
Alaa A. Abdelrahman / 2021 / Dynamics of perforated nanobeams subject to moving mass using the nonlocal strain gradient theory / Applied Mathematical Modelling 96:215~235
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