Hello,
I am facing the following issue:
I have a model with one inflow (prescribed discharge, 455) and one outflow (prescribed height, 544) boundary.
However, the model outflow is always only around 90% of the model inflow although the simulation seems to be stationary. Additionally, the water volume is constantly decreasing, although the inflow is bigger then the outflow.
I had a different mesh at first, and the issue did not occur. This is why I suspect the issue stems from the mesh, but I do not understand why...
I also tried changing the prescribed elevation value and looked at the hydraulics at the outfow. But nothing really noticable occurs.
Has anyone an idea where the error might be ?
Best regards,
Jakob