[mecbe2002]

Hi all,

I am simulating flow over missile.
The freestream Mach no is 0.6, angle of attack is zero & solver is "rhoSimpleFoam"


dimensions [0 1 -1 0 0 0 0];

internalField uniform (205.9392 0 0);

boundaryField
{

bt // "bt" is the missile body&tail
{
type slip;
}

outlet
{
type zeroGradient;
}

inlet
{
type fixedValue;
value uniform (205.9392 0 0);
}

defaultFaces
{
type empty;
}

}

At the tail fin face, the velocity magnitude(resultant) is zero at time=0. Why?
After the simulation also i get around 0.16m/s at the tail fin fact, but this is not correct. This may be because of the velocity field around fin face at time =0. Plz look at the snapshots.

Regards
Gopi

[truong_nm]

Would you mind attaching the whole case files please ?
We don't see the mesh on your screenshots. For the moment, I am quite sure that your boundary conditions are missing something. However, your velocity BCs seem good.

Regards
Minh