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Flow physics and interaction of laminar-turbulent transition and flow separation studied by direct numerical simulations

Total Cost €


EC-Contrib. €






Project "TRANSEP" data sheet

The following table provides information about the project.


Organization address
postcode: 100 44

contact info
title: n.a.
name: n.a.
surname: n.a.
function: n.a.
email: n.a.
telephone: n.a.
fax: n.a.

 Coordinator Country Sweden [SE]
 Total cost 2˙097˙520 €
 EC max contribution 2˙097˙520 € (100%)
 Programme 1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC))
 Code Call ERC-2015-AdG
 Funding Scheme ERC-ADG
 Starting year 2016
 Duration (year-month-day) from 2016-09-01   to  2021-08-31


Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 


 Project objective

The vision spelled out in this proposal is to overcome the failure of Computational Fluid Dynamics to tackle one of the central unsolved fluid physics problems, namely predicting the sensitive flow physics associated with laminar-turbulent transition and flow separation. A recent, highly influential report by NASA (Slotnick et al., 2014) clearly states that the major shortcoming of CFD is its “… inability to accurately and reliably predict turbulent flows with significant regions of separation”, most often associated with laminar-turbulent transition.

The research proposed here will address this shortcoming and develop and utilize computational methods that are able to predict, understand and control the sensitive interplay between laminar-turbulent transition and flow separation in boundary layers on wings and other aerodynamic bodies.

We will be able to understand enigmas such as the recent results from the experiments of Saric et al. at the Texas A&M Univeristy where the laminar area of a wing grows after a smooth surface have been painted (increased roughness), or the drastic changes of laminar-turbulent transition and separation locations on unsteady wings, or the notoriously difficult interaction of multiple separation and transition regions on high-lift wing configurations. For such flows there have been little understanding of flow physics and few computational prediction capabilities. Here we will perform simulations that give completely new possibilities to visualize, understand and control the flow around such wings and aerodynamic bodies, including the possibility to compute and harness the flow sensitivities.

We will tackle these outstanding flow and turbulence problem using the new possibilities enabled by multi-peta scale computing.


year authors and title journal last update
List of publications.
2018 P. S. Negi, R. Vinuesa, A. Hanifi, P. Schlatter and D. S. Henningson.
Unsteady aerodynamic effects in small-amplitude pitch oscillations of an airfoil..
published pages: 378-391., ISSN: 0142-727X, DOI:
Int. J. Heat Fluid Flow 2019-07-25
2018 R. Vinuesa, P. S. Negi, M. Atzori, A. Hanifi, D. S. Henningson and P. Schlatter.
Turbulent boundary layers around wing sections up to Rec = 1,000,000.
published pages: 86-99, ISSN: 0142-727X, DOI:
Int. J. Heat Fluid Flow, 2019-07-25
2019 K. Sasaki, R. Vinuesa, A. V. G. Cavalieri, P. Schlatter and D. S. Henningson.
Transfer functions for flow predictions in wall-bounded turbulence.
published pages: 708-745., ISSN: 0022-1120, DOI:
J. Fluid Mech. 2019-07-25
2017 Ricardo Vinuesa, Seyed M. Hosseini, Ardeshir Hanifi, Dan S. Henningson, Philipp Schlatter
Pressure-Gradient Turbulent Boundary Layers Developing Around a Wing Section
published pages: 613-641, ISSN: 1386-6184, DOI: 10.1007/s10494-017-9840-z
Flow, Turbulence and Combustion 99/3-4 2019-07-25

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The information about "TRANSEP" are provided by the European Opendata Portal: CORDIS opendata.

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