Guannan Zhang Senior Staff Scientist Contact zhangg@ornl.gov | 865.241.4503 All Publications Scalable Deep-Learning-Accelerated Topology Optimization for Additively Manufactured Materials... A Nonlocal-Gradient Descent Method for Inverse Design in Nanophotonics... Robust data-driven approach for predicting the configurational energy of high entropy alloys... Learning nonlinear level sets for dimensionality reduction in function approximation... Non-Intrusive Inference Reduced Order Model for Fluids Using Deep Multistep Neural Network... A Domain Decomposition Model Reduction Method for Linear Convection-Diffusion Equations with Random Coefficients... On the Lebesgue constant of weighted Leja points for Lagrange interpolation on unbounded domains... A fluid-kinetic framework for self-consistent runaway-electron simulations... A Taylor expansion-based adaptive design strategy for global surrogate modeling with applications in groundwater modeling... Exascale Data Analytics for the DOE... A backward Monte-Carlo method for time-dependent runaway electron simulations... Calibration of an agricultural-hydrological model (RZWQM2) using surrogate global optimization... An improved multilevel Monte Carlo method for estimating probability distribution functions in stochastic oil reservoir simul... Hyperspherical sparse approximation techniques for high-dimensional discontinuity detection... Fast and Efficient Stochastic Optimization for Analytic Continuation... A HYPERSPHERICAL ADAPTIVE SPARSE-GRID METHOD FOR HIGH-DIMENSIONAL DISCONTINUITY DETECTION... Stochastic finite element methods for partial differential equations with random input data... A sparse-grid method for Bayesian uncertainty quantification with application to large eddy simulation turbulence models... An Adaptive Sparse-Grid High-Order Stochastic Collocation Method for Bayesian Inference in Groundwater Reactive Transport Mod... Uncertainty Analysis of Multi-Rate Kinetics of Uranium Desorption from Sediments... An adaptive sparse-grid-based iterative ensemble Kalman filter approach for parameter field estimation... An Adaptive Wavelet Stochastic Collocation Method for Irregular Solutions of PDEs with Random Input Data... An Efficient Surrogate Modeling Approach in Bayesian Uncertainty Analysis... A Sparse-Grid Method for Multi-Dimensional Backward Stochastic Differential Equations... Pagination First page « First Previous page ‹‹ Page 1 Current page 2 Key Links ORCID Personel webpage Organizations Computing and Computational Sciences Directorate Computer Science and Mathematics Division Mathematics in Computation Section Data Analysis and Machine Learning Group