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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.39 No.1
- 발행연도
- 2021.1
- 수록면
- 95 - 107 (13page)
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초록· 키워드
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In this work, the dynamic response of functionally graded beams on variable elastic foundations is studied using a novel higher-order shear deformation theory (HSDT). Unlike the conventional HSDT, the present one has a new displacement field which introduces undetermined integral variables. The FG beams were assumed to be supported on Winkler-Pasternak type foundations in which the Winkler modulus is supposed to be variable in the length of the beam. The variable rigidity of the elastic foundation is assumed to be linear, parabolic and sinusoidal along the length of the beam. The material properties of the FG porous beam vary according to a power law distribution in terms of the volume fraction of the constituents. The equations of motion are determined using the virtual working principle. For the analytical solution, Navier method is used to solve the governing equations for simply supported porous FG beams. Numerical results of the present theory for the free vibration of FG beams resting on elastic foundations are presented and compared to existing solutions in the literature. A parametric study will be detailed to investigate the effects of several parameters such as gradient index, thickness ratio, porosity factor and foundation parameters on the frequency response of porous FG beams.
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참고문헌 (72)
참고문헌 신청
Alaa A. Abdelrahman / 2020 / On bending analysis of perforated microbeams including the microstructure effects / Structural Engineering and Mechanics, An Int＇l Journal 76(6):765~779
Wael G. Abdelrahman / 2020 / Effect of material transverse distribution profile on buckling of thick functionally graded material plates according to TSDT / Structural Engineering and Mechanics, An Int＇l Journal 74(1):83~90
Abdul Kareem, Z A. / 2020 / Effect of boundary conditions on harmonic response of laminated plates / Compos. Mater. Eng 2(2):125~140
Mohammed Abdulraoof Abdulrazzaq / 2020 / Thermal buckling of nonlocal clamped exponentially graded plate according to a secant function based refined theory / Steel and Composite Structures, An International Journal 35(1):147~157
Ridha A. Ahmed / 2019 / Analyzing post-buckling behavior of continuously graded FG nanobeams with geometrical imperfections / Geomechanics and Engineering 17(2):175~180
Wael G. Abdelrahman / 2020 / Effect of material transverse distribution profile on buckling of thick functionally graded material plates according to TSDT / Structural Engineering and Mechanics, An Int＇l Journal 74(1):83~90
Abdul Kareem, Z A. / 2020 / Effect of boundary conditions on harmonic response of laminated plates / Compos. Mater. Eng 2(2):125~140
Mohammed Abdulraoof Abdulrazzaq / 2020 / Thermal buckling of nonlocal clamped exponentially graded plate according to a secant function based refined theory / Steel and Composite Structures, An International Journal 35(1):147~157
Ridha A. Ahmed / 2019 / Analyzing post-buckling behavior of continuously graded FG nanobeams with geometrical imperfections / Geomechanics and Engineering 17(2):175~180
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