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Optimization Analysis Of Primary Mirror in Large Aperture Telescope Based On Workbench
Zhengsen Feng1,2,3; Guomin Wang1,2
Conference NameSPIE vol.9678
Source PublicationTelescope and Space Optical Instrumentation
Conference Date2015-5-5
Conference Place北京
Funding OrganizationSPIE
With the diameter increasing for large aperture telescope primary mirror, the gravity caused by the increased of surface size will directly affect the quality of optical imaging, the adjustment of large aperture primary mirror will be frequent according to the requirement of observation. As the angle and the azimuth’s transformation of primary mirror influences the surface shape accuracy immediately, the rational design of the primary mirror supporting structure is of crucial importance. Now the general method is to use ANSYS APDL programming, which is inconvenient and complex to fit for the different components, the calculation require much time and the analysis is lack of efficient. Taking the diameter of 1.12 m telescope primary mirror as the research objection, the paper combine the actual design parameters of SONG telescope, respectively using ANSYS WORKBENCH to employ the primary mirror axial and lateral support model in finite element method, the optimal solution is obtained by optimization design and the change rule of mirror surface deformation under inclined condition is studied. The optimization results according with the requirements of the primary mirror comprehensive error proves that the optimization analysis method is available and applicable.
KeywordPrimary Mirror Support System Optimization Analysis Workbench Finite Element Method
Subject Area天文技术与方法
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Cited Times:0[WOS]
Document Type会议论文
Affiliation1.Nanjing Institute of Astronomical Optics & Technology
2.Key Laboratory of Astronomical Optics & Technology,Chinese Academy of Sciences
3.University of Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Zhengsen Feng,Guomin Wang. Optimization Analysis Of Primary Mirror in Large Aperture Telescope Based On Workbench[C]:SPIE,2015.
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