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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.26 No.3
- 발행연도
- 2020.1
- 수록면
- 331 - 343 (13page)
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In this paper, based on the CPT, motion equations for a sandwich plate containing a core and two integrated face-sheets have derived. The structure rests on the Visco-Pasternak foundation, which includes normal and shear modules. The piezo-magnetic core is made of CoFe<sub>2</sub>O<sub>4</sub> and also is subjected to 3D magnetic potential. Two face sheets at top and bottom of the core are under electrical fields. Also, in order to obtain more accuracy, the effect of flexoelectricity has took into account at face sheets' relations in this work. Flexoelectricity is a property of all insulators whereby they polarize when subject to an inhomogeneous deformation. This property plays a crucial role in small-scale rather than macro scale. Employing CPT, Hamilton's principle, flexoelectricity considerations, the governing equations are derived and then solved analytically. By present work a detailed numerical study is obtained based on Piezoelectricity, Flexoelectricity and modified couple stress theories to indicate the significant effect of length scale parameter, shear correction factor, aspect and thickness ratios and boundary conditions on natural frequency of sandwich plates. Also, the figures show that there is an excellent agreement between present study and previous researches. These finding can be used for automotive industries, aircrafts, marine vessels and building industries.
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참고문헌 (64)
참고문헌 신청
Ramin Aghababaei / 2009 / Nonlocal third-order shear deformation plate theory with application to bending and vibration of plates / Journal of Sound and Vibration 326(1-2):277~289
Vu Thi Thuy Anh / 2015 / Nonlinear stability analysis of thin FGM annular spherical shells on elastic foundations under external pressure and thermal loads / European Journal of Mechanics - A/Solids 50:28~38
R. Ansari / 2011 / Surface stress effects on the free vibration behavior of nanoplates / International Journal of Engineering Science 49(11):1204~1215
Ehsan Arshid / 2018 / Free vibration analysis of saturated porous FG circular plates integrated with piezoelectric actuators via differential quadrature method / Thin-Walled Structures 125:220~233
Ehsan Arshid / 2019 / The effect of porosity on free vibration of SPFG circular plates resting on visco-Pasternak elastic foundation based on CPT, FSDT and TSDT / Structural Engineering and Mechanics, An Int＇l Journal 70(1):97~112
Vu Thi Thuy Anh / 2015 / Nonlinear stability analysis of thin FGM annular spherical shells on elastic foundations under external pressure and thermal loads / European Journal of Mechanics - A/Solids 50:28~38
R. Ansari / 2011 / Surface stress effects on the free vibration behavior of nanoplates / International Journal of Engineering Science 49(11):1204~1215
Ehsan Arshid / 2018 / Free vibration analysis of saturated porous FG circular plates integrated with piezoelectric actuators via differential quadrature method / Thin-Walled Structures 125:220~233
Ehsan Arshid / 2019 / The effect of porosity on free vibration of SPFG circular plates resting on visco-Pasternak elastic foundation based on CPT, FSDT and TSDT / Structural Engineering and Mechanics, An Int＇l Journal 70(1):97~112
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