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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.3
- 발행연도
- 2020.1
- 수록면
- 293 - 305 (13page)
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초록· 키워드
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This article presented a nanoscale modified continuum model to investigate the free vibration of functionally graded (FG) porous nanobeam by using finite element method. The main novelty of this manuscript is presenting effects of four different porosity models on vibration behaviors of nonlocal nanobeam structure including size effect, that not be discussed before The proposed porosity models are, uniform porosity distribution, symmetric with mid-plane, bottom surface distribution and top surface distribution. The nano-scale effect is included in modified model by using the differential nonlocal continuum theory of Eringen that adding the length scale into the constitutive equations as a material parameter constant. The graded material is distributed through the beam thickness by a generalized power law function. The beam is simply supported, and it is assumed to be thin. Therefore, the kinematic assumptions of Euler-Bernoulli beam theory are held. The mathematical model is solved numerically using the finite element method. Results demonstrate effects of porosity type, material gradation, and nanoscale parameters on the free vibration of nanobeam. The proposed model is effective in vibration analysis of NEMS structure manufactured by porous functionally graded materials.
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참고문헌 (100)
참고문헌 신청
Abdelouahed Tounsi / 2016 / Size-dependent mechanical behavior of functionally graded trigonometric shear deformable nanobeams including neutral surface position concept / Steel and Composite Structures, An International Journal 20(5):963~981
M. A. Agwa / 2016 / Vibration of a carbyne nanomechanical mass sensor with surface effect / Applied Physics A 122(4):335
Şeref Doğuşcan Akbaş / 2015 / Free vibration and bending of functionally graded beams resting on elastic foundation / Research on Engineering Structures and Materials 1(1):25~37
Şeref Doğuşcan Akbaş / 2017 / Forced Vibration Analysis of Functionally Graded Nanobeams / International Journal of Applied Mechanics 09(07):1750100
Şeref Doğuşcan Akbaş / 2017 / Thermal Effects on the Vibration of Functionally Graded Deep Beams with Porosity / International Journal of Applied Mechanics 09(05):1750076
M. A. Agwa / 2016 / Vibration of a carbyne nanomechanical mass sensor with surface effect / Applied Physics A 122(4):335
Şeref Doğuşcan Akbaş / 2015 / Free vibration and bending of functionally graded beams resting on elastic foundation / Research on Engineering Structures and Materials 1(1):25~37
Şeref Doğuşcan Akbaş / 2017 / Forced Vibration Analysis of Functionally Graded Nanobeams / International Journal of Applied Mechanics 09(07):1750100
Şeref Doğuşcan Akbaş / 2017 / Thermal Effects on the Vibration of Functionally Graded Deep Beams with Porosity / International Journal of Applied Mechanics 09(05):1750076
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