3 papers
math.OC2020
Using Deep Learning to Improve Ensemble Smoother: Applications to Subsurface Characterization
Jiangjiang Zhang, Qiang Zheng, Laosheng Wu +1
Ensemble smoother (ES) has been widely used in various research fields to reduce the uncertainty of the system-of-interest. However, the commonly-adopted ES method that employs the…
stat.CO2018
Surrogate-Based Bayesian Inverse Modeling of the Hydrological System: An Adaptive Approach Considering Surrogate Approximation Error
Jiangjiang Zhang, Qiang Zheng, Dingjiang Chen +2
Bayesian inverse modeling is important for a better understanding of hydrological processes. However, this approach can be computationally demanding, as it usually requires a large…
math.OC2015
Inverse iterative simulation: An efficient approach for contaminant source identification
Jiangjiang Zhang
In groundwater contaminant remediation and risk assessment, it is important to identify parameters of the contaminant source and hydraulic conductivity field by solving an inverse…