A load simulation method of piezoelectric actuator in FEM for smart structures  

作　　者：LI Min CHEN WeiMin WANG MingChun JIA LiJie 

机构地区：[1]School of Aeronautics Science and Engineering,Beihang University,Beijing 100191,China [2]Division of Engineering Science Research,Institute of Mechanics,Chinese Academy of Sciences,Beijing 100190,China

出　　处：《Science China(Technological Sciences)》2009年第9期2576-2584,共9页中国科学（技术科学英文版）

基　　金：Supported by the National Natural Science Foundation of China (Grant Nos. 10772183 and 10532070) ;Foundation Program of Chinese Academy of Sciences (Grant No. KJCX2-YW-L07)

摘　　要：More and more piezoelectric materials and structures have been used for structure control in aviation and aerospace industry. More efficient and convenient computation method for large complex structure with piezoelectric actuation devices is required. A load simulation method of piezoelectric actuation is presented in this paper. By this method, the freedom degree of finite element simulation is significantly reduced, the difficulty in defining in-plane voltage for multi-layers piezoelectric composite is overcome and the transfer computation between material main direction and the element main direction is simplified. The concept of simulation load is comprehensible and suitable for engineers of structure strength in shape and vibration control, thereby is valuable for promoting the application of piezoelectric material and structures in practical aviation and aerospace fields.More and more piezoelectric materials and structures have been used for structure control in aviation and aerospace industry. More efficient and convenient computation method for large complex structure with piezoelectric actuation devices is required. A load simulation method of piezoelectric actuation is presented in this paper. By this method, the freedom degree of finite element simulation is significantly reduced, the difficulty in defining in-plane voltage for multi-layers piezoelectric composite is overcome and the transfer computation between material main direction and the element main direction is simplified. The concept of simulation load is comprehensible and suitable for engineers of structure strength in shape and vibration control, thereby is valuable for promoting the application of piezoelectric material and structures in practical aviation and aerospace fields.

关 键 词：PIEZOELECTRIC ACTUATOR PIEZOELECTRIC fiber composite shape CONTROL vibration CONTROL DRIVE CHARACTERISTIC 

分 类 号：TN384[电子电信—物理电子学]