Particles on demand for flows with strong discontinuities

NG Kallikounis, B Dorschner, IV Karlin - Physical Review E, 2022 - APS
Particles-on-demand formulation of kinetic theory [B. Dorschner, F. Bösch and IV Karlin,
Phys. Rev. Lett. 121, 130602 (2018) 0031-9007 10.1103/PhysRevLett. 121.130602] is used …

Particles on demand method: Theoretical analysis, simplification techniques, and model extensions

NG Kallikounis, IV Karlin - Physical Review E, 2024 - APS
The particles on demand method [Phys. Rev. Lett. 121, 130602 (2018) 0031-9007
10.1103/PhysRevLett. 121.130602] was recently formulated with a conservative finite …

Particles on demand for kinetic theory

B Dorschner, F Bösch, IV Karlin - Physical review letters, 2018 - APS
A novel formulation of fluid dynamics as a kinetic theory with tailored, on-demand
constructed particles removes restrictions on flow speed and temperature as compared to its …

[HTML][HTML] Exploring shock-capturing schemes for Particles on Demand simulation of compressible flows

E Reyhanian, B Dorschner, I Karlin - Computers & Fluids, 2023 - Elsevier
In this exploratory study, we apply shock-capturing schemes within the framework of the
Particles on Demand kinetic model to simulate compressible flows with mild and strong …

Multiscale semi-Lagrangian lattice Boltzmann method

NG Kallikounis, B Dorschner, IV Karlin - Physical Review E, 2021 - APS
We present a multi-scale lattice Boltzmann scheme, which adaptively refines particles'
velocity space. Different velocity sets of lower and higher order are consistently and …

Semi-Lagrangian lattice Boltzmann method for compressible flows

D Wilde, A Krämer, D Reith, H Foysi - Physical Review E, 2020 - APS
This work thoroughly investigates a semi-Lagrangian lattice Boltzmann (SLLBM) solver for
compressible flows. In contrast to other LBM for compressible flows, the vertices are …

Hybrid compressible lattice Boltzmann method for supersonic flows with strong discontinuities

S Guo, Y Feng - Physics of Fluids, 2024 - pubs.aip.org
Within the framework of the hybrid recursive regularized lattice Boltzmann (HRR-LB) model,
we propose a novel hybrid compressible LB method to ensure the conservation of total …

A volume-filtered description of compressible particle-laden flows

GS Shallcross, RO Fox, J Capecelatro - International Journal of Multiphase …, 2020 - Elsevier
In this work, we present a rigorous derivation of the volume-filtered viscous compressible
Navier–Stokes equations for disperse two-phase flows. Compared to incompressible flows …

Smoothed Particle Hydrodynamics vs Lattice Boltzmann for the solution of steady and unsteady fluid flows

A Tafuni, MG De Giorgi, A De Rosis - Computational Particle Mechanics, 2021 - Springer
Numerical simulations of steady and unsteady viscous flows are presented by adopting two
different numerical methodologies: the Smoothed Particle Hydrodynamics formulation …

Valid physical processes from numerical discontinuities in computational fluid dynamics

K Xu, Q Sun, P Yu - arXiv preprint arXiv:1009.4326, 2010 - arxiv.org
Due to the limited cell resolution in the representation of flow variables, a piecewise
continuous initial reconstruction with discontinuous jump at a cell interface is usually used in …