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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국계산역학회 Computers and Concrete, An International Journal Computers and Concrete, An International Journal Vol.26 No.1
- 발행연도
- 2020.1
- 수록면
- 75 - 94 (20page)
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초록· 키워드
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The aim of this research is to investigate free vibration of a novel five layer Timoshenko microbeam which consists of a transversely flexible porous core made of Al-foam, two graphen platelets (GPL) nanocomposite reinforced layers to enhance the mechanical behavior of the structure as well as two piezo-magneto-electric face sheets layers. This microbeam is subjected to a thermal load and resting on Pasternak’s foundation. To accomplish the analysis, constitutive equations of each layer are derived by means of nonlocal strain gradient theory (NSGT) to capture size dependent effects. Then, the Hamilton’s principle is employed to obtain the equations of motion for five layer Timoshenko microbeam. They are subsequently solved analytically by applying Navier’s method so that discretized governing equations are determined in form of dynamic matrix giving the possibility to gain the natural frequencies of the Timoshenko microbeam. Eventually, after a validation study, the numerical results are presented to study and discuss the influences of various parameters such as nonlocal parameter, strain gradient parameter, aspect ratio, porosity, various volume fraction and distributions of graphene platelets, temperature change and elastic foundation coefficients on natural frequencies of the sandwich microbeam.
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참고문헌 (121)
참고문헌 신청
Farouk Yahia Addou / 2019 / Influences of porosity on dynamic response of FG plates resting on Winkler/Pasternak/Kerr foundation using quasi 3D HSDT / Computers and Concrete, An International Journal 24(4):347~367
Adewale George Adeniyi / 2019 / Multi-scale finite element analysis of effective elastic property of sisal fiber-reinforced polystyrene composites / Mechanics of Advanced Materials and Structures :1~9
Bekir Akgöz / 2018 / Vibrational characteristics of embedded microbeams lying on a two-parameter elastic foundation in thermal environment / Composites Part B: Engineering 150:68~77
S.M. AkhavanAlavi / 2019 / Active control of micro Reddy beam integrated with functionally graded nanocomposite sensor and actuator based on linear quadratic regulator method / European Journal of Mechanics - A/Solids 74:449~461
Saeed Amir / 2018 / Size-dependent vibration analysis of a three-layered porous rectangular nano plate with piezo-electromagnetic face sheets subjected to pre loads based on SSDT / Mechanics of Advanced Materials and Structures :1~15
Adewale George Adeniyi / 2019 / Multi-scale finite element analysis of effective elastic property of sisal fiber-reinforced polystyrene composites / Mechanics of Advanced Materials and Structures :1~9
Bekir Akgöz / 2018 / Vibrational characteristics of embedded microbeams lying on a two-parameter elastic foundation in thermal environment / Composites Part B: Engineering 150:68~77
S.M. AkhavanAlavi / 2019 / Active control of micro Reddy beam integrated with functionally graded nanocomposite sensor and actuator based on linear quadratic regulator method / European Journal of Mechanics - A/Solids 74:449~461
Saeed Amir / 2018 / Size-dependent vibration analysis of a three-layered porous rectangular nano plate with piezo-electromagnetic face sheets subjected to pre loads based on SSDT / Mechanics of Advanced Materials and Structures :1~15
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