6/19/2023 0 Comments Pcswmm tutorial help![]() PCSWMM allows for a dynamic interaction between the urban network (pipes, culverts and channel) and the 2D flooded area. ![]() Two 2D models based on PCSWMM and a 2D model based on HEC-RAS were set up based on real project data and their results from a flood event were compared. In that context, a comparison was completed using three different approaches and software to evaluate and compare the results with an actual case of documented urban flooding. However, it is not always easy to evaluate the various approaches used in the different software packages which could produce variable results with the same data set. The number of numerical models which are now capable of undergoing such task is also growing and the modelers can now choose different models that have different capabilities. With the growing computational capacity, the popularity of GIS based data and the availability of digital information on elevation, 2D modelling now seems to be a more accessible solution to assess overland flood problems. Two-dimensional (2D) hydraulic models are now frequently used by engineers to analyze more complex flow configurations in urban areas where 1D models are deemed inadequate or insufficient to represent the flow paths and resulting depths or velocities.
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