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Dear all,

I am trying to create a flow through a pipe in a 2D geometry to compare to experiment. The problem is that in reality I have a vortex, and I know from measurements that the pressure is lowest in the centre of the pipe, and gradually increases away from the centre. The vortex means that there is no contact with the walls, as this is important for what I am doing. I would like to try and replicate this in my model, and not just have a uniform pressure. Does anyone know how I could do this?

Thanks