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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국항공우주학회 International Journal of Aeronautical and Space Sciences International Journal of Aeronautical and Space Sciences Volume.18 Number.2
- 발행연도
- 2017.6
- 수록면
- 255 - 269 (15page)
- DOI
- 10.5139/IJASS.2017.18.2.255
이용수
초록· 키워드
오류제보하기
Free vibration analysis is presented for a simply-supported, functionally graded piezoelectric (FGP) nanobeam embedded on elastic foundation in the framework of third order parabolic shear deformation beam theory. Effective electro-mechanical properties of FGP nanobeam are supposed to be variable throughout the thickness based on power-law model. To incorporate the small size effects into the local model, Eringen’s nonlocal elasticity theory is adopted. Analytical solution is implemented to solve the size-dependent buckling analysis of FGP nanobeams based upon a higher order shear deformation beam theory where coupled equations obtained using Hamilton’s principle exist for such beams. Some numerical results for natural frequencies of the FGP nanobeams are prepared, which include the influences of elastic coefficients of foundation, electric voltage, material and geometrical parameters and mode number. This study is motivated by the absence of articles in the technical literature and provides beneficial results for accurate FGP structures design.
목차
Abstract
1. Introduction
2. Formulations of the problem
3. Solution procedure
4 Numerical results and discussions
5. Conclusions
References
참고문헌 (37)
참고문헌 신청
Lanhe, W., “Thermal Buckling of a Simply Supported Moderately Thick Rectangular FGM Plate”, Composite Structures, Vol. 64, No. 2, 2004, pp. 211?218. DOI:10.1016/j. compstruct.2003.08.004
Ebrahimi, F. and Rastgo, A., “An Analytical Study on the Free Vibration of Smart Circular Thin FGM Plate Based on Classical Plate Theory”, Thin-Walled Structures, Vol. 46, No. 12, 2008, pp. 1402?1408. DOI:10.1016/j.tws.2008.03.008
Ke, L. L., Yang, J., Kitipornchai, S. and Xiang, Y., “Flexural Vibration and Elastic Buckling of a Cracked Timoshenko Beam Made of Functionally Graded Materials”, Mechanics of Advanced Materials and Structures, Vol. 16, No. 6, 2009, pp. 488?502. DOI:10.1080/15376490902781175
Zhang, D. G., “Nonlinear Bending Analysis of FGM Beams Based on Physical Neutral Surface and High Order Shear Deformation Theory”, Composite Structures, Vol. 100, 2013, pp. 121?126. DOI:10.1016/j.compstruct.2012.12.024
Pradhan, K. K. and Chakraverty, S., “Free Vibration of Euler and Timoshenko Functionally Graded Beams by Rayleigh?Ritz Method”, Composites Part B: Engineering, Vol. 51, 2013, pp. 175?184. DOI:10.1016/j. compositesb.2013.02.027
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UCI(KEPA) : I410-ECN-0101-2018-558-001015721