Molecular Learning Dynamics
- URL: http://arxiv.org/abs/2504.10560v2
- Date: Tue, 29 Apr 2025 00:08:30 GMT
- Title: Molecular Learning Dynamics
- Authors: Yaroslav Gusev, Vitaly Vanchurin,
- Abstract summary: We apply the physics-learning duality to molecular systems by complementing the physical description of interacting particles with a dual learning description.<n>In the traditional physics framework, the equations of motion are derived from the Lagrangian function, while in the learning framework, the same equations emerge from learning dynamics driven by the agent loss function.
- Score: 0.0
- License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
- Abstract: We apply the physics-learning duality to molecular systems by complementing the physical description of interacting particles with a dual learning description, where each particle is modeled as an agent minimizing a loss function. In the traditional physics framework, the equations of motion are derived from the Lagrangian function, while in the learning framework, the same equations emerge from learning dynamics driven by the agent loss function. The loss function depends on scalar quantities that describe invariant properties of all other agents or particles. To demonstrate this approach, we first infer the loss functions of oxygen and hydrogen directly from a dataset generated by the CP2K physics-based simulation of water molecules. We then employ the loss functions to develop a learning-based simulation of water molecules, which achieves comparable accuracy while being significantly more computationally efficient than standard physics-based simulations.
Related papers
- Latent Intuitive Physics: Learning to Transfer Hidden Physics from A 3D Video [58.043569985784806]
We introduce latent intuitive physics, a transfer learning framework for physics simulation.
It can infer hidden properties of fluids from a single 3D video and simulate the observed fluid in novel scenes.
We validate our model in three ways: (i) novel scene simulation with the learned visual-world physics, (ii) future prediction of the observed fluid dynamics, and (iii) supervised particle simulation.
arXiv Detail & Related papers (2024-06-18T16:37:44Z) - Physics-informed machine learning of the correlation functions in bulk
fluids [2.1255150235172837]
The Ornstein-Zernike (OZ) equation is the fundamental equation for pair correlation function computations in the modern integral equation theory for liquids.
In this work, machine learning models, notably physics-informed neural networks and physics-informed neural operator networks, are explored to solve the OZ equation.
arXiv Detail & Related papers (2023-09-02T00:11:48Z) - Machine learning of hidden variables in multiscale fluid simulation [77.34726150561087]
Solving fluid dynamics equations often requires the use of closure relations that account for missing microphysics.
In our study, a partial differential equation simulator that is end-to-end differentiable is used to train judiciously placed neural networks.
We show that this method enables an equation based approach to reproduce non-linear, large Knudsen number plasma physics.
arXiv Detail & Related papers (2023-06-19T06:02:53Z) - Data-driven, multi-moment fluid modeling of Landau damping [6.456946924438425]
We apply a deep learning architecture to learn fluid partial differential equations (PDEs) of a plasma system.
The learned multi-moment fluid PDEs are demonstrated to incorporate kinetic effects such as Landau damping.
arXiv Detail & Related papers (2022-09-10T19:06:12Z) - Physics-informed machine learning with differentiable programming for
heterogeneous underground reservoir pressure management [64.17887333976593]
Avoiding over-pressurization in subsurface reservoirs is critical for applications like CO2 sequestration and wastewater injection.
Managing the pressures by controlling injection/extraction are challenging because of complex heterogeneity in the subsurface.
We use differentiable programming with a full-physics model and machine learning to determine the fluid extraction rates that prevent over-pressurization.
arXiv Detail & Related papers (2022-06-21T20:38:13Z) - NeuroFluid: Fluid Dynamics Grounding with Particle-Driven Neural
Radiance Fields [65.07940731309856]
Deep learning has shown great potential for modeling the physical dynamics of complex particle systems such as fluids.
In this paper, we consider a partially observable scenario known as fluid dynamics grounding.
We propose a differentiable two-stage network named NeuroFluid.
It is shown to reasonably estimate the underlying physics of fluids with different initial shapes, viscosity, and densities.
arXiv Detail & Related papers (2022-03-03T15:13:29Z) - Physics Informed RNN-DCT Networks for Time-Dependent Partial
Differential Equations [62.81701992551728]
We present a physics-informed framework for solving time-dependent partial differential equations.
Our model utilizes discrete cosine transforms to encode spatial and recurrent neural networks.
We show experimental results on the Taylor-Green vortex solution to the Navier-Stokes equations.
arXiv Detail & Related papers (2022-02-24T20:46:52Z) - Physics informed machine learning with Smoothed Particle Hydrodynamics:
Hierarchy of reduced Lagrangian models of turbulence [0.6542219246821327]
This manuscript develops a hierarchy of parameterized reduced Lagrangian models for turbulent flows.
It investigates the effects of enforcing physical structure through Smoothed Particle Hydrodynamics (SPH) versus relying on neural networks (NN)s as universal function approximators.
arXiv Detail & Related papers (2021-10-25T22:57:40Z) - Machine learning accelerated computational fluid dynamics [9.077691121640333]
We use end-to-end deep learning to improve approximations inside computational fluid dynamics for modeling two-dimensional turbulent flows.
For both direct numerical simulation of turbulence and large eddy simulation, our results are as accurate as baseline solvers with 8-10x finer resolution in each spatial dimension.
Our approach exemplifies how scientific computing can leverage machine learning and hardware accelerators to improve simulations without sacrificing accuracy or generalization.
arXiv Detail & Related papers (2021-01-28T19:10:00Z) - Learning to Simulate Complex Physics with Graph Networks [68.43901833812448]
We present a machine learning framework and model implementation that can learn to simulate a wide variety of challenging physical domains.
Our framework---which we term "Graph Network-based Simulators" (GNS)--represents the state of a physical system with particles, expressed as nodes in a graph, and computes dynamics via learned message-passing.
Our results show that our model can generalize from single-timestep predictions with thousands of particles during training, to different initial conditions, thousands of timesteps, and at least an order of magnitude more particles at test time.
arXiv Detail & Related papers (2020-02-21T16:44:28Z) - Physics Informed Deep Learning for Transport in Porous Media. Buckley
Leverett Problem [0.0]
We present a new hybrid physics-based machine-learning approach to reservoir modeling.
The methodology relies on a series of deep adversarial neural network architecture with physics-based regularization.
The proposed methodology is a simple and elegant way to instill physical knowledge to machine-learning algorithms.
arXiv Detail & Related papers (2020-01-15T08:20:11Z)
This list is automatically generated from the titles and abstracts of the papers in this site.
This site does not guarantee the quality of this site (including all information) and is not responsible for any consequences.