파라미터 랜덤필드를 고려한 유연 다물체시스템 불확실성 정량화Uncertainty Quantification of multibody systems considering Parameter Random Fields
- Other Titles
- Uncertainty Quantification of multibody systems considering Parameter Random Fields
- Authors
- 최찬규; 유홍희
- Issue Date
- Nov-2015
- Publisher
- 대한기계학회
- Keywords
- Random field(랜덤필드); Uncertainty quantification(불확실성 정량화); Flexible multibody system(유연다물체시스템); Polynomial chaos expansion
- Citation
- 대한기계학회 창립 70주년 기념 학술대회, pp.1723 - 1725
- Indexed
- OTHER
- Journal Title
- 대한기계학회 창립 70주년 기념 학술대회
- Start Page
- 1723
- End Page
- 1725
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/155821
- 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.
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