Justification of making engineering decisions based on numerical modeling data on the operation of coastal infrastructure facilities

Recently, the requirements for assessing the economic and environmental damage forecasts accuracy associated with the negative factors consequences affecting the coasts operation have been increasing. This leads to necessity to create an information basis to support decisions on choosing or improving the reliability of structural measures set, among which special place is occupied by the coast protection. The use of coastal protection structures should be carried out with an understanding and consideration of natural conditions and numerous factors affecting their operation. One of the main such factors is the force effect of waves on coastal protection structures. The article presents the results of the created effective software. The complex is designed to calculate the wave pressure of the water flow, as well as to assess the force hydrodynamic effect on shore protection structures in the presence of regular surface waves. The results of numerical experiments on the sites of the Tsimlyansk reservoir southern coastal zone are presented. In order to prepare the input data, a digital map of the depths of the computational area was built for each of the specified type of coastal protection structures. Graphs of power actions and wave pressure plots for coastal protection structures of various types are presented.