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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.34 No.4
- 발행연도
- 2020.1
- 수록면
- 511 - 524 (14page)
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초록· 키워드
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In this research, a simple four-variable trigonometric integral shear deformation model is proposed for the static behavior of advanced functionally graded (AFG) ceramic-metal plates supported by a two-parameter elastic foundation and subjected to a nonlinear hygro-thermo-mechanical load. The elastic properties, including both the thermal expansion and moisture coefficients of the plate, are also supposed to be varied within thickness direction by following a power law distribution in terms of volume fractions of the components of the material. The interest of the current theory is seen in its kinematics that use only four independent unknowns, while first-order plate theory and other higher-order plate theories require at least five unknowns. The "in-plane displacement field" of the proposed theory utilizes cosine functions in terms of thickness coordinates to calculate out-of-plane shear deformations. The vertical displacement includes flexural and shear components. The elastic foundation is introduced in mathematical modeling as a two-parameter Winkler-Pasternak foundation. The virtual displacement principle is applied to obtain the basic equations and a Navier solution technique is used to determine an analytical solution. The numerical results predicted by the proposed formulation are compared with results already published in the literature to demonstrate the accuracy and efficiency of the proposed theory. The influences of "moisture concentration", temperature, stiffness of foundation, shear deformation, geometric ratios and volume fraction variation on the mechanical behavior of AFG plates are examined and discussed in detail.
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참고문헌 (48)
참고문헌 신청
Aliaga, J. W. / 2004 / Nonlinear thermoelastic analysis of functionally graded plates using the third-order shear deformation theory / Int. J. Comp. Eng. Sci 5(4):753~779
A. Alibeigloo / 2010 / Exact solution for thermo-elastic response of functionally graded rectangular plates / Composite Structures 92(1):113~121
Mehmet Avcar / 2019 / Free vibration of imperfect sigmoid and power law functionally graded beams / Steel and Composite Structures, An International Journal 30(6):603~615
Mehmet Avcar / 2018 / Free vibration of functionally graded beams resting on Winkler-Pasternak foundation / Arabian Journal of Geosciences 11(10):232
M. Avcar / 2016 / Effects of Material Non-Homogeneity and Two Parameter Elastic Foundation on Fundamental Frequency Parameters of Timoshenko Beams / Acta Physica Polonica A 130(1):375~378
A. Alibeigloo / 2010 / Exact solution for thermo-elastic response of functionally graded rectangular plates / Composite Structures 92(1):113~121
Mehmet Avcar / 2019 / Free vibration of imperfect sigmoid and power law functionally graded beams / Steel and Composite Structures, An International Journal 30(6):603~615
Mehmet Avcar / 2018 / Free vibration of functionally graded beams resting on Winkler-Pasternak foundation / Arabian Journal of Geosciences 11(10):232
M. Avcar / 2016 / Effects of Material Non-Homogeneity and Two Parameter Elastic Foundation on Fundamental Frequency Parameters of Timoshenko Beams / Acta Physica Polonica A 130(1):375~378
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