modelling of a changing BC from wall to stagnation properties

can the software do a changing in boundary conditions?
I want to model a tube that is closed in 3 edges but one edge have a wall that moves down at a constant velocity and gradually opens to a environment with stagnation pressure and stagnation this BC can be performed? please guide me about openfoam too.
thank you very much.

No moving boundaries

No Caedium does not currently support moving boundaries for RANS Flow simulations