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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.36 No.2
- 발행연도
- 2020.1
- 수록면
- 179 - 186 (8page)
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초록· 키워드
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In this paper, the forced resonance vibration of porous functionally graded (FG) curved nanobeam is examined. In order to capture the hardening and softening mechanisms of nanostructure, the nonlocal strain gradient theory is employed to build the size-dependent model. Using the Timoshenko beam theory together with the Hamilton principle, the equations of motion for the curved nanobeam are derived. Then, Navier series are used in order to obtain the dynamical deflections of the porous FG curved nanobeam with simply-supported ends. It is found that the resonance position of the nanobeam is very sensitive to the nonlocal and strain gradient parameters, material variation, porosity coefficient, as well as geometrical conditions. The results indicate that the resonance position is postponed by increasing the strain gradient parameter, while the nonlocal parameter has the opposite effect on the results. Furthermore, increasing the opening angle or length-to-thickness ratio will result in resonance position moves to lower-load frequency.
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참고문헌 (63)
참고문헌 신청
Habib Ahmadi / 2019 / Nonlinear primary resonance of imperfect spiral stiffened functionally graded cylindrical shells surrounded by damping and nonlinear elastic foundation / Engineering with Computers 35(4):1491~1505
Bekir Akgöz / 2012 / Longitudinal vibration analysis for microbars based on strain gradient elasticity theory / Journal of Vibration and Control 20(4):606~616
Bekir Akgöz / 2015 / A microstructure-dependent sinusoidal plate model based on the strain gradient elasticity theory / Acta Mechanica 226(7):2277~2294
Bekir Akgöz / 2016 / Bending analysis of embedded carbon nanotubes resting on an elastic foundation using strain gradient theory / Acta Astronautica 119:1~12
Bekir Akgöz / 2017 / Effects of thermal and shear deformation on vibration response of functionally graded thick composite microbeams / Composites Part B: Engineering 129:77~87
Bekir Akgöz / 2012 / Longitudinal vibration analysis for microbars based on strain gradient elasticity theory / Journal of Vibration and Control 20(4):606~616
Bekir Akgöz / 2015 / A microstructure-dependent sinusoidal plate model based on the strain gradient elasticity theory / Acta Mechanica 226(7):2277~2294
Bekir Akgöz / 2016 / Bending analysis of embedded carbon nanotubes resting on an elastic foundation using strain gradient theory / Acta Astronautica 119:1~12
Bekir Akgöz / 2017 / Effects of thermal and shear deformation on vibration response of functionally graded thick composite microbeams / Composites Part B: Engineering 129:77~87
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