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Steel and Composite Structures Volume 31, Number 2, April25 2019 , pages 187-199 DOI: https://doi.org/10.12989/scs.2019.31.2.187 |
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Instability and vibration analyses of FG cylindrical panels under parabolic axial compressions |
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Rajesh Kumar, Tanish Dey and Sarat K. Panda
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| Abstract | ||
| This paper presents the semi-analytical development of the dynamic instability behavior and the dynamic response of functionally graded (FG) cylindrical shallow shell panel subjected to different type of periodic axial compression. First, in prebuckling analysis, the stresses distribution within the panels are determined for respective loading type and these stresses are used to study the dynamic instability behavior and the dynamic response. The prebuckling stresses within the shell panel are the same as applied in-plane edge loading for the case of uniform and linearly varying loadings. However, this is not true for the case of parabolic loadings. The parabolic edge loading produces all the stresses ( | ||
| Key Words | ||
| FG cylindrical panel; prebuckling stresses; parabolic loading; Galerkin; dynamic instability; IHB | ||
| Address | ||
| (1) Rajesh Kumar: Department of Civil Engineering, Birla Institute of Technology and Science, Pilani-333031, India; (2) Tanish Dey, Sarat K. Panda: Department of Civil Engineering, Indian Institute of Technology (ISM), Dhanbad-826004, India. | ||