Physics-Enhanced neural ordinary differential equations: Application to industrial chemical reaction systems

F Sorourifar, Y Peng, I Castillo, L Bui… - Industrial & …, 2023 - ACS Publications
Ordinary differential equations (ODEs) are extremely important in modeling dynamic
systems, such as chemical reaction networks. However, many challenges exist for building …

[HTML][HTML] Global reaction neural networks with embedded stoichiometry and thermodynamics for learning kinetics from reactor data

T Kircher, FA Döppel, M Votsmeier - Chemical Engineering Journal, 2024 - Elsevier
The digitalization of chemical research and industry is vastly increasing the available data
for developing and parametrizing kinetic models. To exploit this data, machine learning …

Benchmarking chemical neural ordinary differential equations to obtain reaction network-constrained kinetic models from spectroscopic data

A Puliyanda, K Srinivasan, Z Li, V Prasad - Engineering Applications of …, 2023 - Elsevier
Kinetic model identification relies on accurate concentration measurements and physical
constraints to limit solution multiplicity. Not having these measurements and prior knowledge …

ChemNODE: A neural ordinary differential equations framework for efficient chemical kinetic solvers

O Owoyele, P Pal - Energy and AI, 2022 - Elsevier
Solving for detailed chemical kinetics remains one of the major bottlenecks for
computational fluid dynamics simulations of reacting flows using a finite-rate-chemistry …

Generalized reactor neural ODE for dynamic reaction process modeling with physical interpretability

J Yin, J Li, IA Karimi, X Wang - Chemical Engineering Journal, 2023 - Elsevier
Modeling is essential for designing, scaling up, controlling, and optimizing a reactor or
process involving reactions. However, developing high-fidelity mechanistic models from first …

Kinetics-informed neural networks

GS Gusmão, AP Retnanto, SC Da Cunha, AJ Medford - Catalysis Today, 2023 - Elsevier
Chemical kinetics and reaction engineering consists of the phenomenological framework for
the disentanglement of reaction mechanisms, optimization of reaction performance and the …

Kinetics-constrained neural ordinary differential equations: Artificial neural network models tailored for small data to boost kinetic model development

A Fedorov, A Perechodjuk, D Linke - Chemical Engineering Journal, 2023 - Elsevier
Artificial neural networks (ANNs) are powerful tools for solving a wide range of tasks in
fundamental and applied science. However, training and building reliable ANN models …

Deep learning for scalable chemical kinetics

AJ Sharma, RF Johnson, DA Kessler… - AIAA scitech 2020 forum, 2020 - arc.aiaa.org
Chemistry is critical to many computational fluid dynamics (CFD) problems, such as
propulsion system design, engine diagnostics, and atmospheric modeling. However, many …

Kinetics parameter optimization of hydrocarbon fuels via neural ordinary differential equations

X Su, W Ji, J An, Z Ren, S Deng, CK Law - Combustion and Flame, 2023 - Elsevier
Chemical kinetics mechanisms are essential for understanding, analyzing, and simulating
complex combustion phenomena. In this study, a neural ordinary differential equation …

Bayesian chemical reaction neural network for autonomous kinetic uncertainty quantification

Q Li, H Chen, BC Koenig, S Deng - Physical Chemistry Chemical …, 2023 - pubs.rsc.org
Chemical reaction neural network (CRNN), a recently developed tool for autonomous
discovery of reaction models, has been successfully demonstrated on a variety of chemical …