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| Natural frequency for rectangular orthotropic honeycomb sandwich plates with all edges simply supported |
| Received:December 13, 2010 Revised:May 18, 2011 |
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| DOI：10.7511/jslx20123021 |
| KeyWord:rectangular sandwich plates honeycomb sandwich plate natural frequency critical force exact solution displacement functional |
| Author | Institution |
| 冀伟 |
兰州交通大学 甘肃省道路桥梁与地下工程重点实验室, 兰州 |
| 刘世忠 |
兰州交通大学 甘肃省道路桥梁与地下工程重点实验室, 兰州 |
| 吴晖 |
兰州交通大学 甘肃省道路桥梁与地下工程重点实验室, 兰州 |
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| Abstract: |
| Based on the classical model of sandwich panels,the motion governing differential equations of the square-honeycomb sandwich plates considering the discrete characteristics of the core are derived in the paper.A simple approach to reduce the governing equations for orthotropic honeycomb sandwich plates to a single equation containing only one displacement function was presented and the exact solution of the natural frequencies for rectangular honeycomb sandwich plates with all edges simply supported was obtained.The conclusions are instructive to applications of honeycomb panels in engineering. |