Viscous flow simulations at high Reynolds numbers without wall functions: Is y+≃ 1 enough for the near-wall cells?

L Eça, FS Pereira, G Vaz - Computers & Fluids, 2018 - Elsevier
Abstract The Reynolds-Averaged Navier Stokes equations supplemented by eddy-viscosity
models are still the most common mathematical model for the simulation of wall-bounded …

Direct simulations for wall modeling of multicomponent reacting compressible turbulent flows

O Cabrit, F Nicoud - Physics of Fluids, 2009 - pubs.aip.org
A study of multicomponent reacting channel flows with significant heat transfer and low
Mach number has been performed using a set of direct and wall-resolved large-eddy …

Implementation methods of wall functions in cell-vertex numerical solvers

F Jaegle, O Cabrit, S Mendez, T Poinsot - Flow, turbulence and combustion, 2010 - Springer
Two different implementation techniques of wall functions for cell-vertex based numerical
methods are described and evaluated. The underlying wall model is based on the classical …

Robin-type wall functions and their numerical implementation

SV Utyuzhnikov - Applied Numerical Mathematics, 2008 - Elsevier
The paper is devoted to numerical implementation of the wall functions of Robin-type for
modeling near-wall turbulent flows. The wall functions are based on the transfer of a …

The pros and cons of wall functions

L Eça, G Saraiva, G Vaz… - International …, 2015 - asmedigitalcollection.asme.org
Simulations of viscous flows based on the Reynolds-Averaged Navier-Stokes (RANS)
equations have become an engineering tool used on a daily basis. One of the main goals of …

Co-simulation strategy of transient CFD and heat transfer in building thermal envelope based on calibrated heat transfer coefficients

K Arendt, M Krzaczek - International Journal of Thermal Sciences, 2014 - Elsevier
The paper presents a strategy to develop a fully transient numerical model of a heat transfer
in building, using a transient CFD model of indoor air and a thermal envelope model …

Ancient Use of Natural Geothermal Resources: Analysis of Natural Cooling of 16th Century Villas in Costozza (Italy) as a Reference for Modern Buildings

M Ferrucci, F Peron - Sustainability, 2018 - mdpi.com
The geothermal cooling system of six 16th century villas in Costozza (Vicenza, Italy) is
analysed and modelled using computational fluid dynamics and referring to in-field …

Simulation aux grandes échelles diphasique dans les moteurs downsizes à allumage commandé

N Iafrate - 2016 - theses.hal.science
Le moteur à allumage commandé downsizé, couplé à une stratégie d'injection directe, est
l'une des solutions privilégiées par les constructeurs automobiles afin de réduire les …

Near‐wall profiles of mean flow and turbulence quantities predicted by eddy‐viscosity turbulence models

L Eça, M Hoekstra - … journal for numerical methods in fluids, 2010 - Wiley Online Library
This paper presents for the simple flow over a flat plate the near‐wall profiles of mean flow
and turbulence quantities determined with seven eddy‐viscosity turbulence models: the one …

Numerical modeling of the pressure coefficient of the circular cylinder

I Kološ, V Michalcová, L Lausová - Mathematical Methods in …, 2020 - Wiley Online Library
The article examines the possibilities of numerical solution of chimney load from the effect of
wind. The shear‐stress transport (SST) k‐ω turbulence model in ANSYS Fluent software is …