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Studying solutions for the fatigue of the FAST cable-net structure caused by the process of changing shape
Jiang, Peng1,2; Nan, Ren-Dong1,2; Qian, Lei1,2; Yue, You-Ling1,2
2015-10-01
Source PublicationRESEARCH IN ASTRONOMY AND ASTROPHYSICS
Volume15Issue:10Pages:1758-1772
AbstractThe Five-hundred-meter Aperture Spherical Radio Telescope (FAST) is supported by a cable-net structure, whose change in shape leads to a stress range of approximately 500 MPa. This stress range is more than twice the standard recommended value. The cable-net structure is thus the most critical and fragile part of the FAST reflector system. In this study, we first search for a more appropriate deformation strategy that reduces the stress amplitude generated by the process of changing shape. Second, we roughly estimate the tracking trajectory of the telescope during its service life, and conduct an extensive numerical investigation to assess the requirements for fatigue resistance. Finally, we develop a new type of steel cable system that satisfies the cable requirements for construction of FAST.
KeywordFive-hundred-meter Aperture Spherical Radio Telescope Fatigue Resistance Astronomical Techniques And Approaches Cable-net Structure Finite Element
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1088/1674-4527/15/10/013
Indexed BySCI
Language英语
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000362825700013
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Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/16026
Collection南极天文中心
Affiliation1.Chinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China
2.Key Lab Radio Astron, Beijing 100012, Peoples R China
Recommended Citation
GB/T 7714
Jiang, Peng,Nan, Ren-Dong,Qian, Lei,et al. Studying solutions for the fatigue of the FAST cable-net structure caused by the process of changing shape[J]. RESEARCH IN ASTRONOMY AND ASTROPHYSICS,2015,15(10):1758-1772.
APA Jiang, Peng,Nan, Ren-Dong,Qian, Lei,&Yue, You-Ling.(2015).Studying solutions for the fatigue of the FAST cable-net structure caused by the process of changing shape.RESEARCH IN ASTRONOMY AND ASTROPHYSICS,15(10),1758-1772.
MLA Jiang, Peng,et al."Studying solutions for the fatigue of the FAST cable-net structure caused by the process of changing shape".RESEARCH IN ASTRONOMY AND ASTROPHYSICS 15.10(2015):1758-1772.
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