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Fluid dynamics of planetary cores: formation, heterogeneous convection and rotational dynamics

Total Cost €


EC-Contrib. €






 FLUDYCO project word cloud

Explore the words cloud of the FLUDYCO project. It provides you a very rough idea of what is the project "FLUDYCO" about.

fragmentation    convective    larger    ingredients    improvements    turbulence    leaders    understand    published    combines    habitability    corresponding    influence    successful    interdisciplinary    emergence    numerical    rotation    international    fruitful    latest    science    dynamically    barriers    generation    intensity    extraordinary    fundamental    stages    core    shape    tremendous    fluid    laboratory    complementary    global    buoyancy    experimental    examine    evolution    experiments    cores    later    planetary    layer    context    libration    risk    sciences    pioneering    linear    thermal    alternative    magnetic    iron    earth    originality    quantitatively    simulations    innovative    dynamo    groundbreaking    considering    purpose    liquid    data    researches    initial    turbulent    tackling    saturation    accretion    building    gain    outreach    stratified    orbital    benefit    scales    planets    flows    character    collaborations    day    original    community    scientific    models    understanding    competition    frontier    planet    dynamics   

Project "FLUDYCO" data sheet

The following table provides information about the project.


Organization address
address: RUE MICHEL ANGE 3
city: PARIS
postcode: 75794

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 France [FR]
 Project website
 Total cost 1˙992˙602 €
 EC max contribution 1˙992˙602 € (100%)
 Programme 1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC))
 Code Call ERC-2015-CoG
 Funding Scheme ERC-COG
 Starting year 2016
 Duration (year-month-day) from 2016-07-01   to  2021-06-30


Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 


 Project objective

Understanding the flows in planetary cores from their formation to their current dynamics is a tremendous interdisciplinary challenge. Beyond the challenge in fundamental fluid dynamics to understand these extraordinary flows involving turbulence, rotation and buoyancy at typical scales well beyond our day-to-day experience, a global knowledge of the involved processes is fundamental to a better understanding of the initial state of planets, of their thermal and orbital evolution, and of magnetic field generation, all key ingredients for habitability. The purpose of the present project is to go beyond the state-of-the-art in tackling three barriers at the current frontier of knowledge. It combines groundbreaking laboratory experiments, complementary pioneering numerical simulations, and fruitful collaborations with leaders in various fields of planetary sciences. Improving on the latest advances in the field, I will address the fluid dynamics of iron fragmentation during the later stages of planetary accretion, in order to produce innovative, dynamically reliable models of planet formation. Considering the latest published data for Earth, I will investigate the flows driven in a stratified layer at the top of a liquid core and their influence on the global convective dynamics and related dynamo. Finally, building upon the recent emergence of alternative models for core dynamics, I will quantitatively examine the non-linear saturation and turbulent state of the flows driven by libration, as well as the shape and intensity of the corresponding dynamo. In the context of an international competition, the originality of my work comes from its multi-method and interdisciplinary character, building upon my successful past researches. Beyond scientific advances, this high-risk/high-gain project will benefit to a larger community through the dissemination of experimental and numerical improvements, and allow promoting science through an original outreach program.


year authors and title journal last update
List of publications.
2017 Jean-Baptiste Wacheul, Michael Le Bars
Experiments on fragmentation and thermo-chemical exchanges during planetary core formation
published pages: , ISSN: 0031-9201, DOI: 10.1016/j.pepi.2017.05.018
Physics of the Earth and Planetary Interiors 2019-06-18
2016 Michael Le Bars
Flows driven by libration, precession, and tides in planetary cores
published pages: 60505, ISSN: 2469-990X, DOI: 10.1103/physrevfluids.1.060505
Physical Review Fluids 1/6 2019-06-18
2017 Jean-Baptiste Wacheul, Michael Le Bars
Fall and fragmentation of liquid metal in a viscous fluid
published pages: 90507, ISSN: 2469-990X, DOI: 10.1103/physrevfluids.2.090507
Physical Review Fluids 2/9 2019-06-18
2018 Thomas Le Reun, Benjamin Favier, Michael Le Bars
Parametric instability and wave turbulence driven by tidal excitation of internal waves
published pages: 498-529, ISSN: 0022-1120, DOI: 10.1017/jfm.2018.18
Journal of Fluid Mechanics 840 2019-06-18
2017 Thomas Le Reun, Benjamin Favier, Adrian J. Barker, Michael Le Bars
Inertial Wave Turbulence Driven by Elliptical Instability
published pages: 34502, ISSN: 0031-9007, DOI: 10.1103/physrevlett.119.034502
Physical Review Letters 119/3 2019-06-18
2017 D. Lemasquerier, A. M. Grannan, J. Vidal, D. Cébron, B. Favier, M. Le Bars, J. M. Aurnou
Libration-driven flows in ellipsoidal shells
published pages: 1926-1950, ISSN: 2169-9097, DOI: 10.1002/2017JE005340
Journal of Geophysical Research: Planets 122/9 2019-06-18
2017 L.-A. Couston, D. Lecoanet, B. Favier, M. Le Bars
Dynamics of mixed convective–stably-stratified fluids
published pages: 94804, ISSN: 2469-990X, DOI: 10.1103/physrevfluids.2.094804
Physical Review Fluids 2/9 2019-06-18
2018 Louis-Alexandre Couston, Daniel Lecoanet, Benjamin Favier, Michael Le Bars
Order Out of Chaos: Slowly Reversing Mean Flows Emerge from Turbulently Generated Internal Waves
published pages: , ISSN: 0031-9007, DOI: 10.1103/PhysRevLett.120.244505
Physical Review Letters 120/24 2019-02-28
2018 Louis-Alexandre Couston, Daniel Lecoanet, Benjamin Favier, Michael Le Bars
The energy flux spectrum of internal waves generated by turbulent convection
published pages: , ISSN: 0022-1120, DOI: 10.1017/jfm.2018.669
Journal of Fluid Mechanics 854 2019-02-26
2018 K. Sandeep Reddy, Benjamin Favier, Michael Le Bars
Turbulent Kinematic Dynamos in Ellipsoids Driven by Mechanical Forcing
published pages: 1741-1750, ISSN: 0094-8276, DOI: 10.1002/2017gl076542
Geophysical Research Letters 45/4 2019-02-26
2019 Benjamin Favier, Céline Guervilly, Edgar Knobloch
Subcritical turbulent condensate in rapidly rotating Rayleigh-Bénard convection
published pages: , ISSN: 0022-1120, DOI:
Journal of Fluid Mechanics 2019-02-26

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