大型面天线的瞬态风荷分析  

Analysis of Big-Face Antenna Based on Transient Wind Load

作　　者：雷飞[1] 

机构地区：[1]西安电子科技大学,西安710071

出　　处：《火控雷达技术》2009年第4期99-103,107,共6页Fire Control Radar Technology

摘　　要：在ANSYS环境中,首先建立了某35m口径抛物面天线的有限元模型;然后详细介绍了天线在脉动风荷作用下的动力学分析方法;最后计算分析了天线处于指平姿态下,在自重和平均风速为20m/s的脉动风载下的变形,并给出了分析结果;验证了基于ANSYS二次开发、MATLAB编程结合有限元法的分析方法的实用性。A finite element model has firstly been established for a 35m diameter Parabolid antenna in ANSYS circumstance; then the method of kinetics analysis on the antenna based on pulsating wind Load is introduced in detail; finally the deformation of the antenna in flat posture （elevation is 0°） under the action of dead load and at 20m/s average - speed of the pulsating wind Load is computed and analyzed, the analyzed result is given. And the practicability of the analytical method based on ANASYS secondary development and AMTLAB program combining with the finite element method is verified.

关 键 词：天线有限元模型 脉动风载 有限元法 ANSYS二次开发 

分 类 号：TN823.27[电子电信—信息与通信工程]