43 citations · 89 across the 8 of their papers we have counts for
8 papers
MeshTok: Efficient Multi-Scale Tokenization for Scalable PDE Transformers
Yanshun Zhao, Xiaoyu Peng, Jiamin Jiang +2
Conventional patchified Transformers operate on uniform spatial partitions, distributing computational effort evenly across the domain irrespective of local features. This inflexib…
A Structure-Preserving Graph Neural Solver for Parametric Hyperbolic Conservation Laws
Jiamin Jiang, Shanglin Lv, Jingrun Chen
Hyperbolic conservation laws govern a wide range of transport-driven dynamics featuring shocks, contact discontinuities, and complex wave interactions, posing distinct challenges f…
Graph Convolutional Networks for Simulating Multi-phase Flow and Transport in Porous Media
Jiamin Jiang, Bo Guo
Numerical simulation of multi-phase fluid dynamics in porous media is critical for many energy and environmental applications in Earth's subsurface. Data-driven surrogate modeling…
Inexact Methods for Sequential Fully Implicit (SFI) Reservoir Simulation
Jiamin Jiang, Pavel Tomin, Yifan Zhou
The sequential fully implicit (SFI) scheme was introduced (Jenny et al. 2006) for solving coupled flow and transport problems. Each time step for SFI consists of an outer loop, in…
Localized Nonlinear Solution Strategies for Efficient Simulation of Unconventional Reservoirs
Jiamin Jiang
Accurate and efficient numerical simulation of unconventional reservoirs is challenging. Long periods of transient flow and steep potential gradients occur due to the extreme condu…
Smooth Formulation for Isothermal Compositional Simulation with Improved Nonlinear Convergence
Jiamin Jiang, Xian-Huan Wen
Compositional simulation is challenging, because of highly nonlinear couplings between multi-component flow in porous media with thermodynamic phase behavior. The coupled nonlinear…
Nonlinear Acceleration of Sequential Fully Implicit (SFI) Method for Coupled Flow and Transport in Porous Media
Jiamin Jiang, Hamdi A. Tchelepi
The sequential fully implicit (SFI) method was introduced along with the development of the multiscale finite volume (MSFV) framework, and has received considerable attention in re…
Dissipation-Based Continuation Method for Multiphase Flow in Heterogeneous Porous Media
Jiamin Jiang, Hamdi A. Tchelepi
In reservoir simulation, solution of the coupled systems of nonlinear algebraic equations that are associated with fully-implicit (backward Euler) discretization is challenging. Ha…