Incompact3d: A powerful tool to tackle turbulence problems with up to O(105) computational cores

S Laizet, N Li - International Journal for Numerical Methods in …, 2011 - Wiley Online Library
Understanding the nature of complex turbulent flows remains one of the most challenging
problems in classical physics. Significant progress has been made recently using high …

[HTML][HTML] On bypass transition in separation bubbles: a review

Z Yang - Propulsion and Power Research, 2019 - Elsevier
Transition from laminar flow to turbulent flow is of great practical interest as it occurs in many
engineering flows and often plays a critical role in aerodynamics and heat transfer …

Flow around a 5: 1 rectangular cylinder: Effects of upstream-edge rounding

B Rocchio, A Mariotti, MV Salvetti - Journal of Wind Engineering and …, 2020 - Elsevier
A sensitivity analysis of highly-resolved large-eddy simulations of the flow around a 5: 1
rectangular cylinder to the introduction of a small rounding of the upstream edges is …

Straightforward high-order numerical dissipation via the viscous term for direct and large eddy simulation

E Lamballais, V Fortuné, S Laizet - Journal of Computational Physics, 2011 - Elsevier
In this short note, we show how to use a highly accurate finite-difference scheme to compute
second derivatives in the Navier–Stokes equations while ensuring targeted numerical …

Geometrical effects on the airfoil flow separation and transition

W Zhang, W Cheng, W Gao, A Qamar, R Samtaney - Computers & Fluids, 2015 - Elsevier
We present results from direct numerical simulations (DNS) of incompressible flow over two
airfoils, NACA-4412 and NACA-0012-64, to investigate the effects of the airfoil geometry on …

A direct numerical simulation investigation of the synthetic jet frequency effects on separation control of low-Re flow past an airfoil

W Zhang, R Samtaney - Physics of Fluids, 2015 - pubs.aip.org
We present results of direct numerical simulations of a synthetic jet (SJ) based separation
control of flow past a NACA-0018 (National Advisory Committee for Aeronautics) airfoil, at 10 …

A DNS study of jet control with microjets using an immersed boundary method

R Gautier, S Laizet, E Lamballais - International Journal of …, 2014 - Taylor & Francis
In this work, a microjet arrangement to control a turbulent jet is studied by means of direct
numerical simulation. A customised numerical strategy was developed to investigate the …

The impact and treatment of the Gibbs phenomenon in immersed boundary method simulations of momentum and scalar transport

Q Li, E Bou-Zeid, W Anderson - Journal of Computational Physics, 2016 - Elsevier
Spectral discretization of quantities exhibiting abrupt shifts results in oscillations, or “ringing”,
known as the Gibbs phenomenon. When spectral discretization is used to evaluate spatial …

Experimental characterization of the lateral and near-wake flow for the BARC configuration

E Pasqualetto, G Lunghi, B Rocchio, A Mariotti… - Wind and …, 2022 - koreascience.kr
We experimentally investigate the high-Reynolds flow around a rectangular cylinder of
aspect ratio 5: 1. This configuration is the object of the international BARC benchmark. Wind …

Direct simulation of conjugate heat transfer of jet in channel crossflow

Z Wu, D Laurence, H Iacovides, I Afgan - International Journal of Heat and …, 2017 - Elsevier
We present a DNS study of a hot, low momentum laminar water jet discharged into a cold
turbulent channel stream through a circular orifice in one of the steel channel walls. The …