2m望远镜塔台的构建

杨飞; 苏燕芹; 张景旭

doi:10.3788/OPE.20142211.2990

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2m望远镜塔台的构建

微纳技术与精密机械 | 更新时间：2020-08-13

- 2m望远镜塔台的构建
- Pier construction of 2 m aperture telescope
- 光学精密工程 2014年22卷第11期页码：2990-2997
- 作者机构：
  
  1. 中国科学院长春光学精密机械与物理研究所,吉林长春,中国,130033
  2. 中国科学院大学北京,中国,100049
- 作者简介：
- 基金信息：
  
  中国科学院三期创新工程资助项目()
- DOI：10.3788/OPE.20142211.2990
  中图分类号： TH751
- 收稿日期：2013-12-18，
  
  修回日期：2014-02-05，
  
  纸质出版日期：2014-11-25
- 稿件说明：
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杨飞, 苏燕芹, 张景旭. 2m望远镜塔台的构建[J]. 光学精密工程, 2014,22(11): 2990-2997

YANG Fei, SU Yan-qin, ZHANG Jing-xu. Pier construction of 2 m aperture telescope[J]. Editorial Office of Optics and Precision Engineering, 2014,22(11): 2990-2997
杨飞, 苏燕芹, 张景旭. 2m望远镜塔台的构建[J]. 光学精密工程, 2014,22(11): 2990-2997 DOI： 10.3788/OPE.20142211.2990.

YANG Fei, SU Yan-qin, ZHANG Jing-xu. Pier construction of 2 m aperture telescope[J]. Editorial Office of Optics and Precision Engineering, 2014,22(11): 2990-2997 DOI： 10.3788/OPE.20142211.2990.

摘要

分析了国内外地基大口径望远镜的站址选择和塔台建设

对2 m口径望远镜的塔台建设进行了研究。首先

讨论了望远镜的视宁度和塔台高度之间的关系

通过对该望远镜所在地的大气视宁度等因素的衡量

确定塔台高度为13 m。然后

根据

2 m级口径望远镜塔台建设的需求

建立了计算机仿真模型

采用有限元软件Ansys进行仿真分析

提出了一种载荷为30 t的情况下

谐振频率达到30 Hz

并且能够承受5级地震灾害和一定风载的塔台和地基建设方案。分别采用谱分析和随机振动的方法研究了设计的塔台在地震、风载等自然条件下的响应

结果证明该方案能满足

2 m级口径望远镜的站址建设要求并对下一步开展的

4 m级口径地基大口径望远镜的塔台和地基建设具有参考作用。

Abstract

The site choice and pier foundation of existing ground based large aperture telescopes were analyzed and how to construct a pier for a 2 m aperture telescope was explored. Firstly

the relationship between the astronomical seeing and the pier height of a telescope was discussed and the pier height was determined to be 13 m by measuring the astronomical seeing of the seat of the telescope. Then

according to the requirements of pier construction of the 2 m aperture telescope

a simulation model was established

and the simulation analysis was performed by Ansys. A pier and ground base design scheme with a resonant frequency more than 30 Hz under the load condition of 30 t was proposed to resist a 5 level earthquake and certain wind load. Finally

the spectral analysis and random vibration method were used to research the responses of the pier designed to the earthquake and certain wind loads. The results show that the scheme proposed meets the demands of 2 m aperture telescope for pier foundation and it would provide a reference for construction of a

4 m aperture telescope.

关键词

Keywords

references

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