| Postbuckling and Vibration Analysis of Cylindrical Composite Panel subject to Thermal Loads |
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Il-Kwon Oh, In Lee |
| 열하중을 받는 복합적층 원통형 패널의 좌굴후 거동 및 진동해석 |
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오일권, 이인 |
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한국과학기술원 항공우주공학과 |
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| Abstract |
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The thermal postbuckling and vibration characteristics of cylindrical composite panel subject to thermal loads are analyzed using finite elements. The von-Karman nonlinear displacement-strain relation based on the layerwise theory is applied to consider large deflections due to thermal loads. Cylindrical arc-length method is used to take into account the snapping phenomena. Thermal snapping and vibration characteristics are investigated for various structural parameters such as thickness ratio, shallowness angle and boundary conditions. The present results show that thermal snapping changes the mode shapes as well as static deformations. |
| Key Words:
Thermal Postbuckling, Vibration, Cylindrical Composite Panel, Snapping, Layerwise The |
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