Port de Nice
European GDR Dynamo &
MHD Days (Nice : 1st - 4th October 2012)

 



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European GDR Dynamo & MHD Days

(Nice: 1st - 4th October 2012)

Monday October 1

9:30-9:40 Welcome and announcements

9:40-10:25 Sven Eckert [invited]

Investigations of unstable flows in magnetic fields relevant for industrial applications

10:25-10:50 Coffee

10:50-11:10 Jian Dandan (with Christian Karcher)

Time-of-Flight Lorentz force velocimetry: A non-contact electromagnetic surface velocity measurement

11:10-11:30 Chiara Mistrangelo and Leo Bühler

Buoyancy-driven magnetohydrodynamic flows in electrically coupled ducts

11:30-11:50 Marcus Gellert

Tayler instability & Taylor generator

11:50-12:10 Rainer Hollerbach

Electromagnetically driven zonal flows in a rapidly rotating spherical shell

12:10-12:30 Andre Giesecke

Parametric resonance in a periodically perturbed von-Karman flow

12:30-14:00 Lunch

14:00-14:50 Cary Forest [invited]

Stirring unmagnetized plasma

14:50-15:10 Bryan Taylor

Turbulent cascades and the alpha dynamo

15:10-15:30 Nathanael Schaeffer

DTS Sodium experiment A New findings and future developments

15:30-15:50 Franck Stefani

Towards a precession driven dynamo

15:50-16:10 Christophe Gissinger

Dynamo action in a turbulent Taylor-Couette flow


16:10-16:40 Coffee


16:40-17:00 Caroline Nore

Dynamo action in finite cylinders

17:00-17:20 Nicolas Plihon

Estimating dynamo threshold in the VKS experiment

17:20-18:05 Ansgar Reiners [invited]

Observations of stellar dynamos


19h00 Welcome party


Tuesday October 2



9:15-10:00 Andy Jackson [invited]

Fusion of core dynamics and observation

10:00-10:20 Francois Pétrélis

Plate tectonics controls reversal frequency of Earth's magnetic field

10:20-10:50 Coffee

10:50-11:10 Ulrich Christensen

Dipole reversals linked to hemispherical asymmetry in numerical geodynamo models.

11:10-11:30 Thomas Gastine

Anelastic dynamo models of Jupiter and Saturn

11:30-11:50 David Ivers

Dynamos in ellipsoidal geometrie

11:50-12:10 David Cebron

Magnetohydrodynamics of the elliptical instability

12:10-12:30 Stijn Vantieghem

An unstructured finitevolume method for the solution of the MHD equations

12:30-14:00 Lunch

14:00-16:00 Poster session 1

16:00-16:30 Coffee


19h30 Conference diner


Wednesday October 3

9:45-10:30 Matt Browning [invited]

Global simulations of stellar dynamos

10:30-10:50 Coffee

10:50-11:10 Axel Brandenburg

MHD turbulence under stratification the negative effective magnetic pressure instability

11:10-11:30 Andreas Tilgner

Transitions in rapidly rotating convection driven dynamos

11:30-11:50 Martin Schrinner

Rotational threshold in global numerical dynamo simulations

11:50-12:10 William Edmunds

How can large-scale twisted magnetic structures naturally emerge from buoyancy instabilities

12:10-12:30 Sebastien Galtier

A Kolmogorov law for compressible astrophysical turbulence

12:30-14:00 Lunch

14:00-16:00 Poster session 2

16:00-16:20 Coffee

16:20-16:40 Paul Bushby

Small-scale dynamo action in compressible convection

16:40-17:00 Gordon Ogilvie

Magnetic flux transport and outflows from accretion discs

17:00-17:20 Ludovic Petitdemange

Dipole collapse and dynamos waves in global direct numerical simulations

17:20-17:40 Laurène Jouve

On the interaction between differential rotation and magnetic fields in A-type stars

17:40-18:00  Alexandros Alexakis

Simulations of isotropic MHD turbulence

Thursday October

9:15-10:00 Michael Proctor [invited]

Effect of shear flows on dynamo action

10:00-10:20 Christina Davies

Stability properties of multiple equilibria derived from a single field configuration

10:20–11:50 Coffee

10:50-11:10 Giorgio Krstulovic

Axial dipolar dynamo action in the Taylor-Green vortex

11:10-11:30 Nobumitsu Yokoi

Cross-helicity dynamo and flow generation

11:30-11:50 End of conference

12:30 Lunch






Poster Session 1:

Thomas Boeck (TU Ilmenau)
Relaminarization thresholds in MHD channel flow with streamwise field

Leo Bühler and Chiara Mistrangelo (Karlsruhe Institute of Technology)
Influence of strong non-uniform magnetic fields on the liquid metal flow in the
European fusion test blanket module for ITER


Wieland Dietrich, Johannes Wicht, Ulrich Christensen (Max Planck Institute for Solar System Research)Boundary driven thermal winds and Parker Waves in Planetary Dynamos

Santara Fatoumata Bintou (Ilmenau University)
Lorentz Force Velocimetry: study of an electromagnet system

Konstantin Finke (Univ. Göttingen)
Simulations of the kinematic dynamo onset of spherical Couette flows with smooth and rough boundaries

Corinna Koepke, Johannes Wicht, Wieland Dietrich (Max Planck Institute for Solar System Research)
Numerical Dynamo Simulations at large Ekman Numbers

Sebastian Kreuzahler, Rainer Grauer (Univ. Bochum),
Holger Homann, Yannick Ponty (Observatoire de la Côte d'Azur)
Numerical Von Karman flow forcing by two rotating propeller using penalization method

Domenico Meduri, Johannes Wicht & Dieter Schmitt (Max Planck Institute for Solar System Research)
Statistical Analysis of Reversals and Stable Polarity Epochs in Geodynamo Models and Paleomagnetic Data

Sophie Miralles (ENS Lyon)
Saturation of the Bullard Von Kármán dynamo

Raphael Raynaud (ENS Paris)
On-off intermittency in spherical Couette flow

Antoine Riols-Fonclare (IRAP Toulouse)
Global bifurcations to magnetorotational dynamo action

 
Farzaneh Samsami (TU Ilmenau-Institute of Thermo- und Magnetofluiddynamik)
Visualization in Magnetic Obstacle

Martin Seilmayer Helmholtz-Zentrum Dresden-Rossendorf)
Liquid metal Experiments on azimuthal MRI (AMRI) in a cylindrical Taylor Couette flow

Andrey Sheyko (ETHZ)
Low latitude dynamics and secular variation in rapidly-rotating convection driven dynamos


Xing Wei (Univ. Göttingen)
Stably and unstably stratified precessional flow

Johannes Wicht (Max Planck Institute for Solar System Research)
Flow and Magnetic Instabilities in the Spherical-Couette System


Poster Session 2:

Supratik Banerjee & Sebastien Galtier (IAS Paris sud)
Compressible MHD Turbulence

Ismael Bouya (IMJ Jussieu)
Revisiting the ABC flow dynamo

Laura Burgess (University of Leeds)
The driving of mean flows via convection

Simon Cabanes (ISTerre, Grenoble)
Turbulence in the magnetostrophic regime


Cara Donnelly (University of Cambridge)
Quasi-linear EMFs and the Accretion Disc Dynamo


Johann Herault (LPS ENS PARIS)
Reverals of large flow generated in a turbulent background


Samuel Hunter (University Leeds)
Waves In Shallow Water Magnetohydrodynamics

Erik Johansson, Leibniz Institute for Astrophysics (AIP)
Interaction of supernova remnants with interstellar clouds as a pre-stage to star formation


Samuel Jones (University of Exeter)
Utilising symmetries in kinematic dynamo simulations


Christian Karcher, D. Jian (Technische Universität Ilmenau)
Velocity measurement in free-surface liquid metal flow using time-of-flight Lorentz force velocimetry: numerical modeling

Todor Kondic (Univ. Leeds)
Influence of a weak magnetic field on its turbulent diffusion

Shiva Kumar (Univeristy of Leeds)
Understanding Structure function of Solar Flares through DNS of 3D-MHD Turbulence


Pankaj Mishra, Chistophe Gissinger, Emmanuel Dormy, Stephan Fauve (ENS Paris)
Energetics of dynamo reversals

Jorge Morales (École Centrale de Lyon)
Intrinsic rotation of toroidally confined magnetohydrodynamics


Thierry Passot (Observatoire de la Côte d'Azur, Nice)
Rogue waves in Alfvenic turbulence


Pierre-Louis Sulem (Laboratoire Lagrange UNS/CNRS/Observatoire de la Côte d'Azur)
Temporal intermittency of Alfvenic turbulence dissipation effect of intermediate shock instabilities


Rakesh K. Yadav, Thomas Gastine, and Ulrich Christensen (Max Planck Institute for Solar System Research)
Scaling relations in dynamos with stress-free boundaries.