Unified gas-kinetic scheme for diatomic molecular flow with translational, rotational, and vibrational modes
The unified gas-kinetic scheme (UGKS) is a direct modeling method for both continuum and
rarefied flow computations. In the previous study, the UGKS was developed for diatomic …
rarefied flow computations. In the previous study, the UGKS was developed for diatomic …
BGK models for inert mixtures: comparison and applications
Consistent BGK models for inert mixtures are compared, first in their kinetic behavior and
then versus the hydrodynamic limits that can be derived in different collision-dominated …
then versus the hydrodynamic limits that can be derived in different collision-dominated …
Shock structure analysis in chemically reacting gas mixtures by a relaxation-time kinetic model
M Groppi, K Aoki, G Spiga, V Tritsch - Physics of Fluids, 2008 - pubs.aip.org
The shock structure in a gas mixture undergoing a bimolecular chemical reaction is studied
by means of a reactive kinetic relaxation model. The relevant nonlinear integrodifferential …
by means of a reactive kinetic relaxation model. The relevant nonlinear integrodifferential …
Nonequilibrium kinetic processes with chemical reactions and complex structures in open systems
V Aristov, A Frolova, S Zabelok - Europhysics Letters, 2014 - iopscience.iop.org
The study of the nonequilibrium distributions in open systems with complex kinetic
processes is performed. The nonuniform relaxation problems (NRP) are solved. Previous …
processes is performed. The nonuniform relaxation problems (NRP) are solved. Previous …
A kinetic relaxation approach to fast reactive mixtures: shock wave structure
M Groppi, S Rjasanow, G Spiga - Journal of Statistical …, 2009 - iopscience.iop.org
A relaxation time approximation of the reactive Boltzmann equations for a bimolecular
reaction, well suited for dealing with fast chemical processes, is discussed. The (single) BGK …
reaction, well suited for dealing with fast chemical processes, is discussed. The (single) BGK …
Semi-Lagrangian approximation of BGK models for inert and reactive gas mixtures
Recent relaxation time-approximation models of BGK-type for the kinetic description of both
inert and reacting gas mixtures are reviewed and their main properties are recalled. The …
inert and reacting gas mixtures are reviewed and their main properties are recalled. The …
[HTML][HTML] Utility computable modeling of a Boltzmann model equation for bimolecular chemical reactions and numerical application
JL Wu, ZH Li, AP Peng, XC Pi, XY Jiang - Physics of Fluids, 2022 - pubs.aip.org
A Boltzmann model equation (kinetic model) involving the chemical reaction of a
multicomponent gaseous mixture is derived based on Groppi's work [“A Bhatnagar–Gross …
multicomponent gaseous mixture is derived based on Groppi's work [“A Bhatnagar–Gross …
Unified gas-kinetic scheme for reactive flow with multi-scale transport and chemical non-equilibrium
Y Wei, J Cao, K Xu - arXiv preprint arXiv:2412.09787, 2024 - arxiv.org
Reactive flows for rarefied gas mixtures involve a multi-scale transport characterized by
particle collisions and free streaming, and non-equilibrium physics containing multi-species …
particle collisions and free streaming, and non-equilibrium physics containing multi-species …
On the validity of the Boltzmann-BGK model through relaxation evaluation
QH Sun, CP Cai, W Gao - Acta Mechanica Sinica, 2014 - Springer
Abstract The Boltzmann-Bhatnagar-Gross-Krook (BGK) model is investigated for its validity
regarding the collision term approximation through relaxation evaluation. The evaluation is …
regarding the collision term approximation through relaxation evaluation. The evaluation is …
Conservative Semi-Lagrangian Methods for Kinetic Equations
The chapter is a review on semi-Lagrangian methods for kinetic equations. In semi-
Lagrangian schemes for Boltzmann and BGK models, the equation for the distribution …
Lagrangian schemes for Boltzmann and BGK models, the equation for the distribution …