Projet COAST

www-dapnia.cea.fr/Projets/COAST

 

Challenges in Modelling Solar Magnetism and Dynamo Action


Workshop organized by Allan Sacha Brun

From 14th to 17th April 2008 at  IRFU/SAp bat. 709 salle 220 ( Saclay / Orme des Merisiers )


Program :
 
Monday (10am:5pm):   Solar observations of convection and magnetic fields
                         R. Arlt, "Staudacher's drawings - the butterfly diagram after the Maunder minimum"
                         J. Stenflo, "Magnetic field scales on the Sun"
                    E. Benevolenskaya, "Polar magnetic flux: emerging and evolution"
                    S. Lefebvre, "Dynamical processes in the subsurface layers of the Sun and related physics"

                    S. Koutchmy, "Do the solar shell prolateness variations and the inner corona magnetic structures support dynamo theories ?"

                         R. Muller,  "11-Year cyclic variation of the solar granulation"

 

                         Models of solar convection and turbulence

                         F. Rincon: "Dynamics of turbulent convection in the solar photosphere, from granulation to supergranulation"
                    A.S. Brun: "High resolution global model of the solar convection"
 
Tuesday (10am:5pm):         Dynamo process in conducting fluid
                         B. Dubrulle, "Turbulent dynamo action and the VKS experiment"

                         A. Brandenburg, "Current issues In Dynamo Theory "

                         J. Leorat, "The influence of boundary conditions in the dynamo experiment VKS2"

 

                         Mean field models
                         M. Dikpati, "New results on nonaxisymmetric flux transport dynamos"
                    L. Jouve, "Solar mean field dynamo benchmark"
 
                         3-D MHD models
                         A.S. Brun, "Recent progress in modelling the whole Sun in 3-D"
                    F. Rincon, "Small-scale turbulent dynamo action in astrophysics and the low magnetic Prandtl number issue."
                    B. Dintrans, "Dynamo in fully convective dwarfs: observations v.s. models"
 
dinner on Tuesday evening (8pm) in Paris, St Germain des Prés (6ème),
Restaurant: Brasserie Fernand, 13 rue Guisarde, 75006 Paris  see location: brasserie_fernand.jpg
 
Wednesday (10am:6pm):    Magnetic flux emergence
                           L. Jouve, "Dynamical evolution of a flux tube in fully convective shell"
                      T. Amari, "Coronal Evolution from Convection Zone  : A Magnetic Helicity Driven Approach"
                      G. Aulanier, "A model for confined solar eruption"
                      V. Hansteen, "Flux emergence into the chromosphere and corona"
                      K. Galsgaard, "Flux emergence"
                      T. Torok, "Solar eruptions triggered by flux emergence"
                      B. Schmieder, "Observation of solar magnetism"
                      R.Pinto and R. Grappin, "Quantifying the coupling between photosphere and corona: consequences for the line-tied approximation and the parker scenario for coronal heating"
 
 
!!!! We start and finish early on Thursday to allow everybody to catch their plane or train
Thursday (9am:4pm):   Solar tachocline
                           P. Gilman, "Global MHD instabilities, with new results on m=0 modes"
 
                          Solar radiative interior and dynamo action
                          S. Mathis, "Dynamical process and dynamo action in the solar radiative zone"
                     M. Dikpati, "Solar radiative interior and dynamo action: Flux transport dynamo maintenance of reversing and nonreversing fields below the tachocline"
                     V. Duez, "MHS equilibrium in the solar radiation zone"
 
                     Solar cycle prediction and assimilation of data
                          P. Gilman, "Solar cycle prediction and assimilation of data: Data assimilation and prediction with flux-transport dynamo models"
 

 

List of participants  (.pdf)

Scientific objectives   (.pdf)

Recommended hotel : Contact Sacha Brun for booking

Hotel du Lion 1 av General Leclerc  75014 Paris tel:01 40 47 04 00      http://hotel-lion.com/

 

Contact:

DR. (HDR) Allan Sacha Brun

PI of European Project STARS2

DSM/IRFU/SAp  & UMR AIM CEA-CNRS-Univ. P7

CEA Saclay,  91191 Gif-sur-Yvette Cedex, France 

Tel: 01 6908 7660 (Office) & 01 6908 6577 (Fax) 

sacha.brun@cea.fr

 

Organization : A.S. Brun, L. Jouve

 

 

Envoyez un courrier électronique à  sacha.brun@cea.fr pour toute question ou remarque concernant ce site Web.
Dernière modification : 09 avril 2008