某对数周期天线的橡胶阻尼减振优化分析与应用  

Optimization and Application of Rubber Damping Vibration Reduction for a Logarithmic Periodic Antenna

作　　者：阳丁 黄福清 尹本浩[1] YANG Ding;HUANG Fuqing;YIN Benhao(The 29th Research Institute of CETC,Chengdu 610036,China)

机构地区：[1]中国电子科技集团公司第二十九研究所,成都610036

出　　处：《机械工程师》2023年第11期72-75,共4页Mechanical Engineer

摘　　要：为解决某对数周期天线的振动安全性问题,为其设计了一套橡胶阻尼减振优化转接件,并通过仿真与实验手段进行了分析和验证。首先介绍了某对数周期天线的振动故障情况;然后论述了振动故障问题中涉及到的振动基本原理及其在ANSYS中有效表达方法;随后对该天线的振动安全性问题进行了有限元分析复现;进一步对进行橡胶阻尼减振优化后的天线进行了有限元分析,并通过对比优化前后分析结果说明了减振优化的可行性;最后,利用实物完成了振动验证工作。该研究可提高工程师对阻尼减振、振动仿真计算及工程实践应用的认识。In order to solve the vibration safety problem of a logarithmic periodic antenna,a set of rubber damping is designed for vibration reduction optimization.Simulation and experiment are designed to study the safety problem.This paper introduces the vibration fault of a logarithmic periodic antenna,and discusses the basic principle of vibration involved in the vibration fault and the effective expression method in ANSYS.Finite element analysis of the antenna is carried out.Finite element analysis of the antenna with rubber damping optimization is studied with respected to the last one.A vibration verification work is did for the antenna product.This paper can improve the understanding of damping and vibration reduction,vibration simulation calculation and application for engineers.

关 键 词：对数周期天线 阻尼减振 材料阻尼 谐响应分析 ANSYS 

分 类 号：TN821.6[电子电信—信息与通信工程]