[HTML][HTML] Some recent advances in energetic variational approaches

Y Wang, C Liu - Entropy, 2022 - mdpi.com
In this paper, we summarize some recent advances related to the energetic variational
approach (EnVarA), a general variational framework of building thermodynamically …

A structure-preserving, operator splitting scheme for reaction-diffusion equations with detailed balance

C Liu, C Wang, Y Wang - Journal of Computational Physics, 2021 - Elsevier
In this paper, we propose and analyze a positivity-preserving, energy stable numerical
scheme for a certain type of reaction-diffusion systems involving the Law of Mass Action with …

Lagrangian schemes for Wasserstein gradient flows

JA Carrillo, D Matthes, MT Wolfram - Handbook of Numerical Analysis, 2021 - Elsevier
This chapter reviews different numerical methods for specific examples of Wasserstein
gradient flows: we focus on nonlinear Fokker-Planck equations, but also discuss …

High order spatial discretization for variational time implicit schemes: Wasserstein gradient flows and reaction-diffusion systems

G Fu, S Osher, W Li - Journal of Computational Physics, 2023 - Elsevier
We design and compute first-order implicit-in-time variational schemes with high-order
spatial discretization for initial value gradient flows in generalized optimal transport metric …

A variational finite volume scheme for Wasserstein gradient flows

C Cances, TO Gallouët, G Todeschi - Numerische Mathematik, 2020 - Springer
We propose a variational finite volume scheme to approximate the solutions to Wasserstein
gradient flows. The time discretization is based on an implicit linearization of the …

A second-order accurate, operator splitting scheme for reaction-diffusion systems in an energetic variational formulation

C Liu, C Wang, Y Wang - SIAM Journal on Scientific Computing, 2022 - SIAM
A second-order accurate in time, positivity-preserving, and unconditionally energy stable
operator splitting scheme is proposed and analyzed for reaction-diffusion systems with the …

Particle-based energetic variational inference

Y Wang, J Chen, C Liu, L Kang - Statistics and Computing, 2021 - Springer
We introduce a new variational inference (VI) framework, called energetic variational
inference (EVI). It minimizes the VI objective function based on a prescribed energy …

Field theory of reaction-diffusion: Law of mass action with an energetic variational approach

Y Wang, C Liu, P Liu, B Eisenberg - Physical Review E, 2020 - APS
We extend the energetic variational approach so it can be applied to a chemical reaction
system with general mass action kinetics. Our approach starts with an energy-dissipation …

On Lagrangian schemes for porous medium type generalized diffusion equations: A discrete energetic variational approach

C Liu, Y Wang - Journal of Computational Physics, 2020 - Elsevier
In this paper, we present a systematic framework to derive a variational Lagrangian scheme
for porous medium type generalized diffusion equations by employing a discrete energetic …