Earthquake Response Analysis of Large Antenna Structure

Chen Jian-jun; Zeng Yu-geng

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Earthquake Response Analysis of Large Antenna Structure

更新时间：2025-12-08

- Earthquake Response Analysis of Large Antenna Structure
- Acta Electronica Sinica Issue 2, Pages: 78-84(1986)
- 作者机构：
  
  1. 西北电讯工程学院
  2. 西北电讯工程学院西安
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：1986
- 稿件说明：
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[1]陈建军,曾余庚.大型天线结构地震响应分析[J].电子学报,1986(02):78-84.

Chen Jian-jun, Zeng Yu-geng. Earthquake Response Analysis of Large Antenna Structure[J]. Acta Electronica Sinica, 1986, (2): 78-84.
[1]陈建军,曾余庚.大型天线结构地震响应分析[J].电子学报,1986(02):78-84. DOI：

Chen Jian-jun, Zeng Yu-geng. Earthquake Response Analysis of Large Antenna Structure[J]. Acta Electronica Sinica, 1986, (2): 78-84. DOI：

摘要

大型天线结构通常是由众多杆、梁、板壳等诸种构件组合而成的复杂结构。本文用有限单元法将某大型轮轨式天线结构离散为多自由度系统（2694阶）

以振型迭加法进行确定性地震响应分析

获得了结构前5阶固有频率和振型、各节点位移响应历程、各构件应力响应最大值等对抗震设计有参考价值的数据。最后对天线结构地震响应的有关问题提出了几点看法和建议。

Abstract

Large antennas consist of a great many different kinds of elements generally

such as truss

beam

plate

shell and so on. In this paper

a wheel-track form antenna structure is discreted into multi-degree-of-freedom （2694） system and its response to deterministic earthquake is calculated by means of the finite element method. By this mothod

the first five natural frequencies

structure modes

displacement response history of all nodes and various maximum stress responses of all elements are obtained. Finally

some views and propositions concerning large antenna structure are put forward.

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