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http://dx.doi.org/10.3795/KSME-A.2005.29.3.387

Model Validation for the CBS Ku-Band Transponder Panel Using Launch Environmental Test  

Seo Hyun Suk (한국항공우주산업(주) 우주개발연구센터)
Choi Jang Sub (한국전자통신연구원 통신위성연구그룹)
Park Jong Heung (한국전자통신연구원 통신위성연구그룹)
Woo Hyung Je (쎄트렉아이(주) 우주사업부문)
Publication Information
Transactions of the Korean Society of Mechanical Engineers A / v.29, no.3, 2005 , pp. 387-394 More about this Journal
Abstract
Accurate predictions and simulations of the behavior of space structures based on analytical models become more important. In order to perform analysis to support the design of Ku-band transponder panel for the Communications and Broadcasting Satellite(CBS), mathematical models of the panel were generated in the form of finite element models. Test verification of these models is required before the transponder panel can be certified for launch environments. A modal identification was performed to obtain modal parameters which can be compared with the test results using correlation techniques. This paper approaches the sensor placement from the standpoint of the structural dynamicist who uses the modal parameter obtained during launch environmental test. The models were validated by performing a test-analysis correlation and updating analysis. It was proved that the Ku-band transponder panel satisfies the environmental test requirements.
Keywords
Effective Mass Properties; Finite Element Method; Modal Parameter;
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