[1]丁虎.带圆开孔的功能梯度矩形板的自由振动分析[J].哈尔滨工程大学学报,2019,40(04):676-682.[doi:10.11990/jheu.201805001]
 DING Hu.Free vibration analysis of a functionally graded rectangular plate with central circular cutout[J].hebgcdxxb,2019,40(04):676-682.[doi:10.11990/jheu.201805001]
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带圆开孔的功能梯度矩形板的自由振动分析(/HTML)
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《哈尔滨工程大学学报》[ISSN:1006-6977/CN:61-1281/TN]

卷:
40
期数:
2019年04期
页码:
676-682
栏目:
出版日期:
2019-04-05

文章信息/Info

Title:
Free vibration analysis of a functionally graded rectangular plate with central circular cutout
作者:
丁虎
中国船舶重工集团公司 第704研究所, 上海 200031
Author(s):
DING Hu
No. 704 Research Institute, China Shipbuilding Industry Corporation, Shanghai 200031, China
关键词:
等几何分析功能梯度一阶剪切变形理论矩形板圆孔NURBS基函数自由振动
分类号:
O327
DOI:
10.11990/jheu.201805001
文献标志码:
A
摘要:
为研究带圆开孔功能梯度矩形板的自由振动特性,基于一阶剪切变形理论及等几何分析建立了计算模型,采用精确几何建模的非均匀有理B样条(NURBS)基函数描述场变量,实现了计算机辅助设计(CAD)与有限元分析(FEA)的无缝结合。与相关文献对比验证了该方法的精确性,并讨论了边界条件、梯度指数、长宽比、板厚度及开孔半径对矩形板固有频率的影响。数值算例表明,等几何分析具有较高的精度,能有效求解带圆开孔功能梯度板的振动问题。

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2018-05-01。
基金项目:国家基础研究计划项目(70420172JL01).
作者简介:丁虎,男,高级工程师.
通讯作者:丁虎,E-mail:dinghu_shanghai@163.com
更新日期/Last Update: 2019-04-03