[Seg-Far]

Hye everyone.
I am a new user who just started with OpenFoam 1.7.1 recently. I am trying to simulate with the k-epsilon model the flow over a wind turbine vertical (VAWT) .

The meshing is a non structural mesh realised with salome.
I would like to have some help for the choose of the solvers:

i read in the tutorial that the MRFSImple or simplSRF are betters for this kind of simulation.
Wich one choose?

Then, i hope to realise a dynamical simultaion wind a blade and a body who turn.
That why i need to define a Ggi interface . THe problem is that, i dont find the ggi commande in openFOam 1.7.1.

MRFZONES:
1
(
pales
{
wall (pales);

origin origin [0 1 0 0 0 0 0] (0.4 0 0);
axis axis [0 0 0 0 0 0 0] (0 0 1);
omega omega [0 0 -1 0 0 0 0] 50;
}
)

dynamicsMeshDict:
dynamicFvMeshLib "libtopoChangerFvMesh.so";

dynamicFvMesh mixerGgiFvMesh;

mixerGgiFvMeshCoeffs
{
coordinateSystem
{
type cylindrical;
origin ( 0 0 0 );
axis ( 0 0 1 );
direction ( 1 0 0 );
}

rpm 477;

slider
{
moving (ggiInside);
static (ggiOutside);
}
}

SOme Help Please.