location: Current position: Home >> Scientific Research >> Paper Publications

叉指形电极压电执行器的热弹性比拟分析方法

Hits:

Indexed by:期刊论文

Date of Publication:2015-02-15

Journal:压电与声光

Included Journals:Scopus、PKU、ISTIC、CSCD

Volume:37

Issue:1

Page Number:32-34

ISSN No.:1004-2474

Key Words:压电执行器;叉指形电极;热弹性比拟;压电主动结构;仿真分析

Abstract:通过对比分析逆压电效应本构方程和热弹性体本构方程,将压电执行器的驱动电压比拟为温度载荷,压电应变系数比拟为正交各向异性的热膨胀系数,则叉指形电极压电执行器的静态位移可采用热弹性有限元法分析.由于叉指形电极的电场导致局部的非均匀和非线性,在热弹性比拟法中,需引入修正系数对热膨胀系数进行修正.数值算例和实验结果表明,热弹性比拟法在叉指形电极压电执行器的静态仿真中是简单有效的.

Pre One:大型复合材料构件热压罐成型温度分析与均匀性改善研究

Next One:Micro-mechanical model and material removal mechanism of machining carbon fiber reinforced polymer composite