YANG Qiang,XIA Tianfei,ZHANG Gexiang,et al.Secondary Development of ABAQUS in the Simulation of Piezoelectric Stacked Actuators[J].Journal of Chengdu University of Information Technology,2025,40(03):306-312.[doi:10.16836/j.cnki.jcuit.2025.03.008]
ABAQUS二次开发在压电堆叠驱动器仿真中的应用
- Title:
- Secondary Development of ABAQUS in the Simulation of Piezoelectric Stacked Actuators
- 文章编号:
- 2096-1618(2025)03-0306-07
- Keywords:
- piezoelectric stacking driver; ABAQUS; RSG dialog box constructor; secondary development; parametric modeling; Cohesive
- 分类号:
- TM282
- 文献标志码:
- A
- 摘要:
- 压电堆叠是将压电陶瓷多片层叠并利用环氧树脂粘接在一起,在电场的作用下,输出的总变形量为各个压电陶瓷片的输出变形量之和,因其能产生较大的力和位移,所以被大量用于制造各类压电驱动器。但由于堆叠层数多,在ABAQUS中的建模与参数指定过程复杂烦琐。为快速对压电堆叠驱动器在ABAQUS中进行建模仿真,基于ABAQUS有限元分析软件,编写相应Python内核脚本程序,利用RSG对话框构造器制作压电堆叠驱动器仿真插件,即二次开发,实现压电堆叠驱动器在ABAQUS中的参数化建模与仿真。插件仿真实验表明:压电堆叠的输出位移与组成其压电陶瓷片的数量成正比列关系; 与单层压电陶瓷片相比,多层压电陶瓷片可以显著降低驱动电压,同时可以通过改变压电陶瓷片的层数,来保证所需的位移量; 设置的Cohesive参数得到的内聚力仿真结果也符合TSL规律。综上,该插件可为压电堆叠驱动器的设计提供相应指导。
- Abstract:
- Piezoelectric stacking is the piezoelectric ceramic multi-slice laminated and bonded together using epoxy resin, which, under the action of the electric field, outputs the total deformation of each piezoelectric ceramic slice of the output deformation of the sum of the piezoelectric ceramic slice, which is used in large quantities to manufacture various types of piezoelectric actuators because of the ability to generate large forces and displacements. However, due to the large number of stacked layers, the modeling and parameter specification process in ABAQUS is complicated and cumbersome. To quickly model and simulate piezoelectric stacked actuators in ABAQUS, this paper is based on the ABAQUS finite element analysis software, writes the corresponding Python kernel script program, and makes a piezoelectric stacked actuator simulation plug-in by using the RSG dialog box constructor, i.e., the secondary development, which realizes the parametric modeling and simulation of piezoelectric stacked actuators in ABAQUS. Plug-in simulation experiments show that the output displacement of the piezoelectric stack is positively proportional to the number of piezoelectric ceramic slices that make up its piezoelectricity; compared with a single piezoelectric ceramic slice, the multilayer piezoelectric ceramic slice can significantly reduce the driving voltage, and at the same time can be altered by changing the number of layers of piezoelectric ceramic slice to ensure that the required amount of displacement; the cohesion simulation results obtained by the cohesive parameter of the setup are also consistent with the laws of TSL.In summary, the plug-in can provide corresponding guidance for the design of piezoelectric stacked drivers.
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备注/Memo
收稿日期:2023-11-13
基金项目:四川省应用基础研究资助项目(2021YJ0086)