Quantification of aleatory uncertainty in blast wave problem

doi:10.11858/gywlxb.2016.06.015

科研成果详情

题名	Quantification of aleatory uncertainty in blast wave problem
作者	Liang，Xiao 1,2; Wang，Rui Li 1
发表日期	2016-12-25
发表期刊	Gaoya Wuli Xuebao/Chinese Journal of High Pressure Physics
ISSN/eISSN	1000-5773
卷号	30 期号:6 页码:531-536
摘要	As uncertainty always exists in the modeling and simulation of complex engineering problems, the identification and analysis of its source and the quantification of its degrees play an important role in assessing the credibility of the modeling and simulation results. In this paper, the concept of uncertainty as well as uncertainty quantification process was presented in the modeling and simulation, with the blast wave problem used as a typical example to illustrate the detailed process for the quantification of the aleatory uncertainty. The expectations and variances of density, pressure, velocity and internal energy were calculated and, moreover, the probability density function of the shock wave position was obtained using the Monte-Carlo and the non-intrusive polynomial chaos (NIPC). The results were consistent with each other, which verified that the NIPC method is an efficient approach in the uncertainty quantification of a complex nonlinear system.
关键词	Blast wave Modeling and simulation Non-intrusive polynomial chaos Shock position Uncertainty quantification
DOI	10.11858/gywlxb.2016.06.015
URL	查看来源
语种	英语English
Scopus入藏号	2-s2.0-85006355999
引用统计	被引频次[WOS]：0 [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	https://repository.uic.edu.cn/handle/39GCC9TT/10737
专题	个人在本单位外知识产出
作者单位	1.Institute of Applied Physics and Computational Mathematics,Beijing,100094,China 2.College of Mathematics,Shandong University of Science and Technology,Qingdao,266590,China
推荐引用方式 GB/T 7714	Liang，Xiao,Wang，Rui Li. Quantification of aleatory uncertainty in blast wave problem[J]. Gaoya Wuli Xuebao/Chinese Journal of High Pressure Physics, 2016, 30(6): 531-536.
APA	Liang，Xiao, & Wang，Rui Li. (2016). Quantification of aleatory uncertainty in blast wave problem. Gaoya Wuli Xuebao/Chinese Journal of High Pressure Physics, 30(6), 531-536.
MLA	Liang，Xiao,et al."Quantification of aleatory uncertainty in blast wave problem". Gaoya Wuli Xuebao/Chinese Journal of High Pressure Physics 30.6(2016): 531-536.