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总览 评价 操卫忠 1, , 杨新华 2,* , 田晓宝 2, ( 1、 华中科技大学土木工程与力学学院; 2、 华中科技大学土木工程与力学学院,武汉 430074; ) 摘要: 本文首先给出了微态电弹性理论的一些基本方程。通过该理论求解了含圆孔的压电材料反平面问题。
操卫忠1,, 杨新华2,*, 田晓宝2,
(
1、华中科技大学土木工程与力学学院; 2、华中科技大学土木工程与力学学院,武汉 430074; )
摘要:
本文首先给出了微态电弹性理论的一些基本方程。通过该理论求解了含圆孔的压电材料反平面问题。结果表明,圆孔附近的力电场分布和经典理论相比有明显的区别,表现出明显的尺寸效应。
关键词:
微态;电弹性;圆孔;反平面
Cao Weizhong1,, Yang Xinhua2,*, Tian Xiaobao2,
(
1、School of Civil Engineering and Mechanics, Huazhong University of Science and Technology; 2、School of Civil Engineering and Mechanics, Huazhong University of Science and Technology, Wuhan 430074; )
Abstract:
The linear theory of micromorphic electroelasticity is developed to investigate the anti-plane problems for piezoelectric media with a circular hole.The solution of the anti-plane problem for piezoelectric media with a circular hole is obtained. Numerical results reveal that the differences in the elctro-mechanical field distributions around the hole predicted by the present model and the classical model are quite large at the micro scale. Furthermore, the size effect is also observed.
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