Cerfacs Enter the world of high performance ...

Discover CERFACS


CERFACS is a basic and applied research center, specialized in modeling and numerical simulation. Trough its facilities and expertise in High Performance Computing, CERFACS deals with major scientific and technical research problems of public and industrial interest.

CERFACS hosts interdisciplinary researchers such as physicians, applied mathematicians, numerical analysts, software engineers who design and develop innovative methods and software solutions to meet  the needs of the aeronautics, space, climate, energy and environmental fields.

CERFACS is involved in major national and international projects and is strongly interacting with its seven shareholders : Airbus Group, Cnes, EDF, Météo France, Onera, Safran et Total. It is also associated  with partners like CNRS (Associated Research Unit), Irit (common laboratory), CEA and Inria (cooperation agreements).


Key dates

1987 Creation of a CERFACS Scientific Group with 11 members : Aérospatiale, Cnes, CNRS, INPT, Inria, Insa, Matra-Marconi Space, Météo-France, Onera, Midi-Pyrénées.
1988 CERFACS becomes a public benefit corporation
1996 CERFACS becomes a civil society with four associated structures : Aérospatiale, later becoming EADS, then Airbus Group, Cnes, Météo-France and EDF.
1999 Creation of the CERFACS-CNRS associated research unit, the Sciences de l' Univers at CERFACS (Ura 1875)  collaboration agreement with CEA in the field of advanced computing methods
2004 Safran becomes a new CERFACS' partner
2006 Onera becomes a new CERFACS' partner
2008 Total becomes a new CERFACS' partner
2009 Creation of a joint Inria / CERFACS laboratory
2013 Cooperation agreement Inria / CERFACS
2015 The tenth computer set at CERFACS since 1996 occupies the 388° place in the top 500 delivering a peak power of 242 Tflop/s


CERFACS aims to

  • Develop scientific and technical researches in order to improve advanced computing methods, including a better consideration of the related physical processes  as well as the development of performing algorithms for the new computers' architectures,
  • Allow either solely or shared access to computers with new architecture,  being able to gain performances,
  • Transfer this scientific  knowledge and technical methods for application to big industrial sectors,
  • Train high qualified people and offer an advanced training for the fields and selected application themes.


First 360-degrees Large-Eddy Simulation of a full engine

Jérôme DOMBARD |  17 June 2020

Within the PRACE project FULLEST (First fUlL engine computation with Large Eddy SimulaTion), a joint collaboration between CERFACS, SAFRAN and AKIRA technologies, Dr. C. Pérez Arroyo (post doctoral fellow at CERFACS) has carried out under the supervision of Dr. J. Dombard the first high-fidelity simulation of a part of the real engine DGEN380 (for now, from the fan to the combustion chamber). This 360-degrees integrated large-eddy simulation contains around two billion cells on the three instances, carried out with the AVBP code of CERFACS.  The CPU cost is obviously large but still within reach, performing around one turn of fan during 5 days over 14400 skylake cores. Post-treatments are in progress and already show, among other complex phenomena, a strong interaction between the high pressure compressor and the combustion chamber (see forthcoming paper GT2020-16288 C. Pérez Arroyo et al). Below a video showing: in the fan an isosurface at mid-height of the vein colored by the Mach number, in the high pressure compressor a gradient of density, in the bypass of the combustion chamber the static pressure and in the flame tube a temperature field. One of the goals of the project is to create a high-fidelity unsteady database to study interactions between modules and may help other teams to develop new lower order models and/or validate existing ones. Beyond the feasibility and the maturity of the AVBP code, this kind of calculation is an important milestone for the aeronautical industry and would allow to apprehend earlier in the design the effect of integration and installation and thus, to reduce the cycle and therefore the cost of the future aircraft engines. We acknowledge PRACE for awarding us access to Joliot-Curie (Genci) hosted at CEA/TGCC, FRANCE, Safran Tech and DGAC fundings within the project ATOM, along with the invaluable technical support at...Read more

B. Cuenot distinguished as Program Chair of international Symposium on Combustion

superadmin |  29 May 2020

B. Cuenot has been distinguished as Program Chair for the 39th International Symposium on Combustion, to be held in Vancouver (Canada) in 2022. The International Symposium on Combustion is a major event for the combustion community, where the current best research is presented.Read more