Moving object close to ground
I'd like to simulate an object with a forward and a vertical speed. So far, nothing special, but this object is supposed to be as close as 5m from the ground and I need to be able to analyse the footprint of the flow on the ground, so it's not possible for me to use the bottom of the domain as an inlet and just ignore the ground as we would usualy do.
How should I proceed and which boundary conditions should I use on the object to simulate such a case?
thanks a lot for any possible help.
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