[CfdUser5855]

Hi,

I am trying to simulate windflow over a simple terrain using pimpleFoam to see if my case is set up correctly before I run it over a high resolution mesh, however the flow as seen in the image attached is coming from the outlet to the inlet. It is meant to be flowing from right to left as seen in the image attached

It is meant to be coming in at an slight angle, which is why my flowDir is written like that in the ABL Conditions file below

I have tried reversing the flowdir and removing the negative signs, however the windflow keeps coming through the outlet face rather than the inlet.

If anyone could advise, that would be greatly appreciated (I have checked my mesh and the outlet/inlet are definitely defined for the correct faces)

U File:
#include "include/initialConditions"

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

internalField uniform (0 0 0);

boundaryField
{
inlet
{
type atmBoundaryLayerInletVelocity;
#include "include/ABLConditions"
}

outlet
{
type inletOutlet;
inletValue uniform (0 0 0);
value $internalField;
}

top
{
type zeroGradient;
}

DuneField
{
type uniformFixedValue;
value uniform (0 0 0);
uniformValue constant (0 0 0);
}

sides
{
type slip;
}
}

ABL Conditions File:

Uref 13.36;
Zref 5;
zDir (0 0 1);
flowDir (-0.997564 -0.0697565 0);
z0 uniform 0.03;
zGround uniform 0;