In the diploma thesis I was calculating the dam-break wave because of possible collapse of the planned dam structure HPP Mokrice. Calculations of the wave were made with the IMP2008 program for the calculation of unsteady non-uniform one-dimensional free surface flow.
In the introductory part I briefly described dam structures, their classification, and definitions of terms used in the diploma thesis. The theoretical part consists of basic equations used in the IMP2008 programme to calculate the flow and water levels.
I then described in detail the HPP Mokrice and regulations that will ensure better flood safety. I thoroughly described the differences in geometry that occurred during the construction of the chain in comparison with planned state from 2008.
The final objective of the thesis was to make the HPP Mokrice dam-break waves calculations and compare the results with calculations made during the design of the HPP chain from 2008 (Četina at al., 2008). The results revealed that the change in geometry allows improved flood protection in the case of collapse of one or more floodgates at the HPP Morkice in the area of Mokrice and its doewnstream. In scenarios of successive collapse of floodgates in HPPs of the Lower Sava region in partial series, the results for the Mokrice area in comparison to the 2008 study seem less safe, since the maximum flow and maximum water surface elavation are higher.