Recent developments in DNS of turbulent combustion

P Domingo, L Vervisch - Proceedings of the Combustion Institute, 2023 - Elsevier
The simulation of turbulent flames fully resolving the smallest flow scales and the thinnest
reaction zones goes along with specific requirements, which are discussed from …

[HTML][HTML] A mesh-free framework for high-order direct numerical simulations of combustion in complex geometries

JRC King - Computer Methods in Applied Mechanics and …, 2024 - Elsevier
The multiscale nature of turbulent combustion necessitates accurate and computationally
efficient methods for direct numerical simulations (DNS). The field has long been dominated …

A quasi-direct numerical simulation solver for compressible reacting flows

T Li, J Pan, F Kong, B Xu, X Wang - Computers & Fluids, 2020 - Elsevier
A new quasi-direct numerical simulation (q-DNS) solver named combustionFoam, capable
of simulating reacting flows at arbitrary Mach number with a detailed chemical reaction …

Static mesh adaptation for reliable large eddy simulation of turbulent reacting flows

PW Agostinelli, B Rochette, D Laera, J Dombard… - Physics of …, 2021 - pubs.aip.org
The design challenge of reliable lean combustors needed to decrease pollutant emissions
has clearly progressed with the common use of experiments as well as large eddy …

[HTML][HTML] Analysis of knock onset based on two-dimensional direct numerical simulation and theory of explosive transition of deflagration

Y Morii, A Tsunoda, AK Dubey, K Maruta - Physics of Fluids, 2023 - pubs.aip.org
In this study, we analyzed data from a two-dimensional (2D) direct numerical simulation
(DNS) that reproduced the knocking experiment in order to elucidate the knocking …

Investigation of finite-volume methods to capture shocks and turbulence spectra in compressible flows

E Motheau, J Wakefield - Communications in Applied Mathematics and …, 2020 - msp.org
The aim of the present paper is to provide a comparison between several finite-volume
methods of different numerical accuracy: the second-order Godunov method with PPM …

Analysis of adaptive mesh refinement in a turbulent buoyant helium plume

G Maragkos, E Funk, B Merci - International Journal for …, 2022 - Wiley Online Library
The study evaluates OpenFOAM's adaptive mesh refinement (AMR) capabilities and
accuracy when applied to numerical simulations of turbulent buoyant flows. To this purpose …

Improved coupling of hydrodynamics and nuclear reactions via spectral deferred corrections

M Zingale, MP Katz, JB Bell, ML Minion… - The Astrophysical …, 2019 - iopscience.iop.org
Simulations in stellar astrophysics involve the coupling of hydrodynamics and nuclear
reactions under a wide variety of conditions, from simmering convective flows to explosive …

A new re-redistribution scheme for weighted state redistribution with adaptive mesh refinement

IB Sanchez, AS Almgren, JB Bell… - Journal of …, 2024 - Elsevier
State redistribution (SRD) is a recently developed technique for stabilizing cut cells that
result from finite-volume embedded boundary methods. SRD has been successfully applied …