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파라미터 랜덤필드를 고려한 유연 다물체시스템 불확실성 정량화

Title
파라미터 랜덤필드를 고려한 유연 다물체시스템 불확실성 정량화
Other Titles
Uncertainty Quantification of multibody systems considering Parameter Random Fields
Author
유홍희
Keywords
Random field; Uncertainty quantification; Flexible multibody system; Polynomial chaos expansion; 랜덤필드; 불확실성 정량화; 유연다물체시스템
Issue Date
2015-11
Publisher
대한기계학회
Citation
대한기계학회 창립 70주년 기념 학술대회, 2015.11, Page. 1723-1725
Abstract
Dynamic responses of a flexible multibody system are determined by the system parameters such as geometry and material properties of the system. In practical situations, such system parameters have uncertainty because of manufacturing tolerances and material irregularity. Since the parameter uncertainty leads to the uncertainty of dynamic responses of the system, reliability-based design needs to be conducted through uncertainty quantification of the system. For the flexible multibody system, random fields of the parameters should be considered since the uncertainty of flexible bodies are the function of spatial variables. Therefore, an uncertainty quantification method of the multibody system considering parameter random fields needs to be developed. In the present study, an uncertainty quantification method of the flexible multibody system considering parameter random fields was proposed.
URI
http://www.dbpia.co.kr/Article/NODE06575945http://hdl.handle.net/20.500.11754/28905
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > MECHANICAL ENGINEERING(기계공학부) > Articles
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