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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 국제구조공학회 Structural Engineering and Mechanics, An Int'l Journal Structural Engineering and Mechanics, An Int'l Journal Vol.72 No.4
- 발행연도
- 2019.1
- 수록면
- 525 - 540 (16page)
이용수
초록· 키워드
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The purpose of the present work was to study the dynamic instability of a three-layered, symmetric sandwich beam subjected to a periodic axial load resting on nonlinear elastic foundation. A higher-order theory was used for analysis of sandwich beams with soft core on elastic foundations. In the higher-order theory, the Reddy's third-order theory was used for the face sheets and quadratic and cubic functions were assumed for transverse and in-plane displacements of the core, respectively. The elastic foundation was modeled as nonlinear’s type. The dynamic instability regions and free vibration were investigated for simply supported conditions by Bolotin’s method. The results showed that the responses of the dynamic instability of the system were influenced by the excitation frequency, the coefficients of foundation, the core thickness, the dynamic and static load factor. Comparison of the present results with the published results in the literature for the special case confirmed the accuracy of the proposed theory.
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참고문헌 (55)
참고문헌 신청
Mustapha Meradjah / 2015 / A new higher order shear and normal deformation theory for functionally graded beams / Steel and Composite Structures, An International Journal 18(3):793~809
Bolotin, V. V. / 1956 / The Dynamic Stability of Elastic Systems / Gostekhizdat
Bose, S. / 2012 / Effect of Elastic Foundation and Damping on Parametric Instability of Beams / International Conference on Structural and Civil Engineering
Bremen, H. F. / 2001 / Experimental and analytical study of natural vibration modes of soft-core sandwich beams / Proceedings of the 46th International SAMPE Symposium and Exhibition
Yusuf Cunedioglu / 2015 / Free vibration analysis of edge cracked symmetric functionally graded sandwich beams / Structural Engineering and Mechanics, An Int＇l Journal 56(6):1003~1020
Bolotin, V. V. / 1956 / The Dynamic Stability of Elastic Systems / Gostekhizdat
Bose, S. / 2012 / Effect of Elastic Foundation and Damping on Parametric Instability of Beams / International Conference on Structural and Civil Engineering
Bremen, H. F. / 2001 / Experimental and analytical study of natural vibration modes of soft-core sandwich beams / Proceedings of the 46th International SAMPE Symposium and Exhibition
Yusuf Cunedioglu / 2015 / Free vibration analysis of edge cracked symmetric functionally graded sandwich beams / Structural Engineering and Mechanics, An Int＇l Journal 56(6):1003~1020
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