Browsing by Author "Wolff, Anne"

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    Simulation of pavement surface runoff using the depth-averaged shallow water equations
    (2013) Wolff, Anne; Ressel, Wolfram (Univ.-Prof. Dr.-Ing.)
    Water on the pavement significantly affects traffic safety. Climate change will lead to a higher number of heavy rainstorms in Germany and the risk to have large amounts of water on the pavement will even increase. Therefore, it is important to have a tool which enables highway engineers to analyse existing and designed road sections concerning their drainage capability. In this work, a model is developed, which allows an integral simulation of pavement surface runoff. This includes features like the simulation on real pavement surfaces with an irregular topography, the possibility to treat different surface textures and the treatment of drainage facilities. As mathematical model, the depth-averaged Shallow Water Equations are chosen. The equations are extended with source terms to describe the influence of rainfall, bottom topography and flow resistance. The equations are solved using a cell-centered finite volume scheme.