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| 題名: | Parametric instability of functionally graded carbon nanotube-reinforced hybrid composite plates in thermal environments |
| 作者: | Chen, CS (Chen, Chun-Sheng)
Wang, H (Wang, Hai)
Chen, TJ (Chen, Tsyr-Jang)
Chen, WR (Chen, Wei-Ren) |
| 貢獻者: | 機械系 |
| 關鍵詞: | Dynamic instability
Bolotin's method
Volume fraction
Instability regions
Dynamic instability index |
| 日期: | 2021-03 |
| 上傳時間: | 2020-10-22 14:56:25 (UTC+8) |
| 摘要: | This paper studies the parametric instability of hybrid nanocomposite plates under an arbitrary periodic load in thermal environments. The hybrid nanocomposite plate is a three-layer board. It has metal layers on both surfaces and one core reinforced with functionally graded (FG) carbon nanotubes (CNTs). The Galerkin method with a reduced eigenfunction transformation is applied to establish the governing equations of motion. According to the Bolotin method, a set of Mathieu-type differential equations is formed to determine dynamic instability regions and dynamic instability index (DII). The in-plane periodic stress is taken to be a combination of pulsating axial and bending stresses in the example problems. The effects of the layer thickness ratio, CNTs volume fraction, CNTs distribution type, temperature, bending stress, static and dynamic load on the dynamic instability of hybrid nanocomposite plates are investigated and discussed. |
| 關聯: | INTERNATIONAL JOURNAL OF MECHANICS AND MATERIALS IN DESIGN 卷 17, 期 1, 頁 171 - 186 March 2021 |
| 顯示於類別: | [機械工程系暨機械工程學系數位機電研究所] 期刊論文
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