Translations:Berechnungsschema/ Implementierung der Betriebsregeln/19/en

1. [math]\displaystyle{ t_1 \gt \Delta t \, }[/math] (äußerer Zeitschritt)

   No range change takes place in the considered time interval.

2. [math]\displaystyle{ 0 \lt t_1 \lt \Delta t \, }[/math]

   There is a range change after the time t1. The span between t0 and t1 represents the inner time step length.

3. [math]\displaystyle{ t_1 \lt 0 \, }[/math]

   There is no reservoir content increase but a decrease. Instead of the upper section limit, the lower section limit must be used and the calculation repeated.