Scientific machine learning for closure models in multiscale problems: A review

B Sanderse, P Stinis, R Maulik, SE Ahmed - arxiv preprint arxiv …, 2024 - arxiv.org
Closure problems are omnipresent when simulating multiscale systems, where some
quantities and processes cannot be fully prescribed despite their effects on the simulation's …

Likelihood-based non-Markovian models from molecular dynamics

H Vroylandt, L Goudenège, P Monmarché… - Proceedings of the …, 2022 - pnas.org
We introduce a method to accurately and efficiently estimate the effective dynamics of
collective variables in molecular simulations. Such reduced dynamics play an essential role …

Data-driven model reduction, Wiener projections, and the Koopman-Mori-Zwanzig formalism

KK Lin, F Lu - Journal of Computational Physics, 2021 - Elsevier
Abstract Model reduction methods aim to describe complex dynamic phenomena using only
relevant dynamical variables, decreasing computational cost, and potentially highlighting …

Construction of coarse-grained molecular dynamics with many-body non-Markovian memory

L Lyu, H Lei - Physical Review Letters, 2023 - APS
We introduce a machine-learning-based coarse-grained molecular dynamics model that
faithfully retains the many-body nature of the intermolecular dissipative interactions. Unlike …

Data-driven coarse-grained modeling of polymers in solution with structural and dynamic properties conserved

S Wang, Z Ma, W Pan - Soft Matter, 2020 - pubs.rsc.org
We present data-driven coarse-grained (CG) modeling for polymers in solution, which
conserves the dynamic as well as structural properties of the underlying atomistic system …

[HTML][HTML] Data-driven construction of stochastic reduced dynamics encoded with non-Markovian features

Z She, P Ge, H Lei - The Journal of Chemical Physics, 2023 - pubs.aip.org
One important problem in constructing the reduced dynamics of molecular systems is the
accurate modeling of the non-Markovian behavior arising from the dynamics of unresolved …

Data-driven learning of the generalized Langevin equation with state-dependent memory

P Ge, Z Zhang, H Lei - Physical Review Letters, 2024 - APS
We present a data-driven method to learn stochastic reduced models of complex systems
that retain a state-dependent memory beyond the standard generalized Langevin equation …

Coarse-graining of overdamped Langevin dynamics via the Mori--Zwanzig formalism

T Hudson, XH Li - Multiscale Modeling & Simulation, 2020 - SIAM
The Mori--Zwanzig formalism is applied to derive an equation for the evolution of linear
observables of the overdamped Langevin equation. To illustrate the resulting equation and …

Generalized Langevin equation: An introductory review for biophysicists

SH Chung, M Roper - Biophysical Reviews and Letters, 2019 - World Scientific
An introductory, pedagogical review of the generalized Langevin equation (GLE) within the
classical regime is presented. It is intended to be accessible to biophysicists with an interest …

[HTML][HTML] Stability preserving data-driven models with latent dynamics

Y Luo, X Li, W Hao - Chaos: An Interdisciplinary Journal of Nonlinear …, 2022 - pubs.aip.org
In this paper, we introduce a data-driven modeling approach for dynamics problems with
latent variables. The state-space of the proposed model includes artificial latent variables, in …