Input pressure with an inlet

Hello,

It is indicated in 3.15 Open Boundary Conditions (here https://github.com/DualSPHysics/DualSPHysics/wiki/3.-SPH-formulation) that "Variable Velocity and Pressure Profiles: Unsteady velocity and pressure profiles and/or pressure and velocity gradients along a given direction can now be assigned in buffer areas."

I didn't find out how to do that while trying to impose a pressure or pressure gradient with an inlet.

In the XML_GUIDE_INLETOUTLET pdf document p.12, it is only explained that "The three variables over which a user has control are the velocity for which the tag imposevelocity is used, the density for which the tag imposerhop is used, and the water level for which the tag imposezsurf is used"

Should I use the density ? How ?

Thanks in advance.

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