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工程设计学报
工程设计学报  2017, Vol. 24 Issue (2): 156-161    DOI: 10.3785/j.issn.1006-754X.2017.02.005
设计理论与方法学     
基于模型重构的天线机电耦合仿真方法研究
任丹1, 王丹丹1, 郑雪晓2, 王勇2, 杜平安1
1. 电子科技大学 机械电子工程学院, 四川 成都 611731;
2. 中国西南电子技术研究所, 四川 成都 610036
Study on simulation method of antenna electromechanical coupling based on model reconstruction
REN Dan1, WANG Dan-dan1, ZHENG Xue-xiao2, WANG Yong2, DU Ping-an1
1. School of Mechatronics Engineering, University of Electronic Science and Technology of China, Chengdu 611731, China;
2. Southwest China of Institute of Electronic Technology, Chengdu 610036, China
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摘要：

机电耦合涉及机械、电磁学、热学等学科，对产品性能有直接影响。在电子产品机电耦合分析中，不同物理场间的数据传递方法是研究的重点和难点。针对微波天线的机电耦合问题，提出了一种基于模型重构的天线机电耦合仿真方法并开发了相应的仿真平台。在仿真平台中，首先利用ANSYS进行力学分析；然后利用APDL语言编写接口程序，获取并导出由结构分析产生的变形网格，然后基于非均匀有理B样条曲线曲面（Non-Uniform Rational B-Spline，NURBS）理论，将变形网格重构出几何实体；最后将变形实体导入电磁场分析软件（electromagnetic field analysis software，HFSS）中进行天线电磁性能的计算。利用波导缝隙天线进行实验测试，测试结果验证了该方法的正确性。研究表明：机电耦合会影响天线的性能，且所提出的方法可用于天线设计阶段的机电耦合仿真分析。
关键词： 天线;  机电耦合;  模型重构;  NURBS    
Abstract:

Electromechanical coupling involving the interaction of mechanics, electromagnetics and thermotics, which has a direct impact on product’s performance. Data transfer between different physical fields is the key to the electromechanical coupling simulation. An method based on model reconstruction to analyze the electromechanical coupling of microwave antenna was presented and a simulation platform was developed. In the simulation platform, firstly, the mechanical analysis was carried out by ANSYS. Secondly, the APDL language was applied to obtain and export the deformed mesh of the structural analysis, and the deformation geometric entities was reconstructed by the Non-Uniform Rational B-Spline (NURBS) theory and deformed mesh. Finally, the deformation entities were imported into the HFSS (electromagnetic field analysis software) to calculate the performance of the deformation of antenna. The waveguide slot antenna was applied to verify the correctness between the method and measurement results. The study shows that the electromechanical coupling will affect the performance of antenna. This method can be used to analyze the electromechanical coupling of antenna at design stage.
Key words: antenna    electromechanical coupling    model reconstruction    NURBS
收稿日期: 2016-09-22 出版日期: 2017-04-28
CLC:  TN823  
基金资助:

国防基础科研重点项目（0D2014061300014）
通讯作者: 杜平安(1962-),男,四川成都人,教授,博士,从事数字化仿真与设计、机电耦合等研究,E-mail:dupingan@uestc.edu.cn     E-mail: dupingan@uestc.edu.cn
作者简介: 任丹(1986-),男,安徽淮南人,博士生,从事机电耦合、电磁兼容等研究,E-mail:rendan_uestc@163.com,http://orcid.org//0000-0003-0204-6144
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引用本文:

任丹, 王丹丹, 郑雪晓, 王勇, 杜平安. 基于模型重构的天线机电耦合仿真方法研究[J]. 工程设计学报, 2017, 24(2): 156-161.

REN Dan, WANG Dan-dan, ZHENG Xue-xiao, WANG Yong, DU Ping-an. Study on simulation method of antenna electromechanical coupling based on model reconstruction[J]. Chinese Journal of Engineering Design, 2017, 24(2): 156-161.

链接本文:

https://www.zjujournals.com/gcsjxb/CN/10.3785/j.issn.1006-754X.2017.02.005    或    https://www.zjujournals.com/gcsjxb/CN/Y2017/V24/I2/156

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