Incompact3d: A powerful tool to tackle turbulence problems with up to O(105) computational cores
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 …
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 …
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
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 …
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 …
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 …
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 …
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 …
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
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 …
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 …
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
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 …
turbulent channel stream through a circular orifice in one of the steel channel walls. The …