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A&A 490, 353356 (2008) DOI: 10.1051/0004-6361:200810386
 

Summary: A&A 490, 353356 (2008)
DOI: 10.1051/0004-6361:200810386
c ESO 2008
Astronomy
&
Astrophysics
The MHD coupling between coronal dynamics
and photospheric motions
R. Grappin1, G. Aulanier2, and R. Pinto1
1
Observatoire de Paris, LUTH, CNRS, 92195 Meudon, France
e-mail: Roland.Grappin@obspm.fr
2
Observatoire de Paris, LESIA, CNRS, 92195 Meudon, France
e-mail: guillaume.Aulanier@obspm.fr
Received 13 June 2008 / Accepted 20 August 2008
ABSTRACT
Context. Whether it be the heating problem or the destabilization of coronal structures, use is often made of the so-called "line-
tying" boundary conditions, which amounts to imposing the photospheric velocity at the photosphere as a boundary condition for
coronal dynamics. Directly coupling the low beta coronal evolution to prescribed photospheric motions of the magnetic footpoints

  

Source: Aulanier, Guillaume - Observatoire de Paris

 

Collections: Physics