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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.

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

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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