3 papers
math.NA2025
Dual-Domain Deep Learning Method to Accelerate Local Basis Functions Computation for Reservoir Simulation in High-Contrast Porous Media
Peiqi Li, Jie Chen
In energy science, Darcy flow in heterogeneous porous media is a central problem in reservoir sim-ulation. However, the pronounced multiscale characteristics of such media pose sig…
math.NA2025
Mixed Precision Orthogonalization-Free Projection Methods for Eigenvalue and Singular Value Problems
Tianshi Xu, Zechen Zhang, Jie Chen +2
Mixed-precision arithmetic offers significant computational advantages for large-scale matrix computation tasks, yet preserving accuracy and stability in eigenvalue problems and th…
cs.LG2025
Hybrid Two-Stage Reconstruction of Multiscale Subsurface Flow with Physics-informed Residual Connected Neural Operator
Peiqi Li, Jie Chen
The novel neural networks show great potential in solving partial differential equations. For single-phase flow problems in subsurface porous media with high-contrast coefficients,…