Benchmark solution
=====================

Since an analytical solution to a flow problem with oozing conditions is not easy to calculate, we propose here a test case that is sufficiently intuitive for certain expected intermediate and final values to be tested.

So the final values to :math:`t=\mathrm{0,2}s` expected tested are:


* At the base: :math:`\mathit{PRE}1=-{10}^{3}g`


* At the top of the hole: :math:`\mathit{PRE}1=+{5.10}^{2}g`


* At the top of the right edge: :math:`\mathit{PRE}1=+{2.10}^{3}g`

At an intermediate point in time when the height of the water column has not yet reached the opening:

:math:`\mathit{PRE}1=0`