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浏览/检索结果: 共7条，第1-7条 帮助 限定条件 专题：北京大学    第一署名单位    第一作者单位    通讯作者单位     已选(0)清除 条数/页：5101520253035404550556065707580859095100   排序方式：请选择作者升序作者降序题名升序题名降序发表日期升序发表日期降序提交时间升序提交时间降序 Multiscale-finite-element-based ensemble Kalman filter for large-scale groundwater flow 期刊论文 journal of hydrology, 2012 Shi, Liangsheng; Zeng, Lingzao; Zhang, Dongxiao; Yang, Jinzhong 收藏  |  浏览/下载：8/0  |  提交时间：2015/11/12 Ensemble Kalman filter  Multiscale finite element method  Reconstruction  Data assimilation  HETEROGENEOUS POROUS-MEDIA  DISTRIBUTED-PARAMETER-ESTIMATION  DATA ASSIMILATION  ELLIPTIC PROBLEMS  PERMEABILITY  CONVERGENCE  STATISTICS  SIMULATION  TRANSPORT  MODELS   A sparse grid based Bayesian method for contaminant source identification 期刊论文 水资源进展, 2012 Zeng, Lingzao; Shi, Liangsheng; Zhang, Dongxiao; Wu, Laosheng 收藏  |  浏览/下载：6/0  |  提交时间：2015/11/12 Sparse grid interpolation  Stochastic collocation method  MCMC  Source identification  Inverse problem  PROBABILISTIC COLLOCATION METHOD  PARTIAL-DIFFERENTIAL-EQUATIONS  RELATIVE ENTROPY INVERSION  RANDOM INPUT DATA  KALMAN FILTER  TRANSPORT  INFERENCE  EFFICIENT  HISTORY  MEDIA   A multiscale probabilistic collocation method for subsurface flow in heterogeneous media 期刊论文 water resources research, 2010 Shi, Liangsheng; Zhang, Dongxiao; Lin, Lin; Yang, Jinzhong 收藏  |  浏览/下载：3/0  |  提交时间：2015/11/12 FINITE-ELEMENT-METHOD  POLYNOMIAL CHAOS EXPANSIONS  KARHUNEN-LOEVE EXPANSION  RANDOM POROUS-MEDIA  STOCHASTIC COLLOCATION  UNCERTAINTY PROPAGATION  DIFFERENTIAL-EQUATIONS  ELLIPTIC PROBLEMS  GROUNDWATER-FLOW  SOLUTE TRANSPORT   A comparative study of numerical approaches to risk assessment of contaminant transport 期刊论文 stochastic environmental research and risk assessment, 2010 Zhang, Dongxiao; Shi, Liangsheng; Chang, Haibin; Yang, Jinzhong 收藏  |  浏览/下载：5/0  |  提交时间：2015/11/10 Threshold probability  Monte Carlo simulation  Stochastic collocation  Interpolation  STOCHASTIC COLLOCATION METHOD  PARTIAL-DIFFERENTIAL-EQUATIONS  RANDOM POROUS-MEDIA  RANDOM INPUT DATA  SOLUTE TRANSPORT  MONTE-CARLO  GROUNDWATER CONTAMINATION  HETEROGENEOUS AQUIFERS  UNCERTAINTY ANALYSIS  MONITORING NETWORK   Evaluating the uncertainty of Darcy velocity with sparse grid collocation method 期刊论文 中国科学e辑 技术科学, 2009 Shi LiangSheng; Yang JinZhong; Zhang DongXiao 收藏  |  浏览/下载：7/0  |  提交时间：2015/11/12 stochastic  velocity  uncertainty  collocation  sparse grid  PARTIAL-DIFFERENTIAL-EQUATIONS  RANDOM INPUT DATA  FINITE-ELEMENT-ANALYSIS  STOCHASTIC COLLOCATION  ELLIPTIC PROBLEMS  POROUS-MEDIA  FLOW  APPROXIMATIONS  MODEL   Probabilistic collocation method for unconfined flow in heterogeneous media 期刊论文 journal of hydrology, 2009 Shi, Liangsheng; Yang, Jinzhong; Zhang, Dongxiao; Li, Heng 收藏  |  浏览/下载：3/0  |  提交时间：2015/11/12 Probabilistic collocation method  Uncertainty  Nonstationarity  Unconfined flow  RANDOM POROUS-MEDIA  DIFFERENTIAL-EQUATIONS  GROUNDWATER-FLOW  POLYNOMIAL CHAOS  KARHUNEN-LOEVE  UNCERTAINTY  NONSTATIONARY  SIMULATIONS   A stochastic approach to nonlinear unconfined flow subject to multiple random fields 期刊论文 stochastic environmental research and risk assessment, 2009 Shi, Liangsheng; Yang, Jinzhong; Zhang, Dongxiao 收藏  |  浏览/下载：1/0  |  提交时间：2015/11/12 Karhunen-Loeve expansion  Moment equation  Spatial variability  Log conductivity  Recharge  Boundary condition  KARHUNEN-LOEVE EXPANSION  MOMENT-EQUATION APPROACH  POROUS-MEDIA  RECHARGE  SIMULATIONS  UNCERTAINTY