[sisetrun]

Hello everybody,

I am struggeling with fvOptions in OF2.3.x . I want to use a cellZone as a source of tracer T and solve the equations with scalarTransportFoam on a steady simpleFoam velocity field. I have tube and an obstacle, so I do not want to inject the tracer at the beginning of the tube but right before the obstacle. I want to use the source more or less as a internal "inlet-patch" for the tracer. Values should be 1 in the source and after a while in the whole domain after the source (just like with the fixedValue inlet BC for scalarTransportFoam).

I made the cellZone, set up the fvOptions file like this:

tracer
{
   type scalarSemiImplicitSource ;
   active on;
   timeStart 0;
   duration 10000;
   selectionMode cellZone;
   cellZone Tracer;

   scalarSemiImplicitSourceCoeffs
   {
      volumeMode absolute; //implicit
      injectionRateSuSp
      {
         T (1 0);
      }
   }
}

I end up with very high values of T around 5.4e4.

Is the source of 1 mole / itteration added to the domain every time step?

Can I set a fixedValue BC for fvOption like in inletBC?


Every help is thankfully appreciated. Thank you

Best regards,

Sebastian