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Generating geometries for microscale computational wind engineering simulations is a tedious task for academic and application purposes alike. Researchers and engineers often have to rely on existing 3D geometries which were not made with computational fluid dynamics in mind, leading to a mainly manual and time-consuming task of geometry preparation.
Our aim is to address this issue with purpose-built software, which we called City4CFD. It combines different input data typical in GIS, such as point clouds and 2D polygons, to create a 3D geometry, while keeping the requirements of CFD packages in mind.
In this documentation, you can find information on how the reconstruction is handled, as well as the information on the preparation of input data and the walkthrough of reconstruction parameters.
This software is developed by the 3D geoinformation group at the Delft University of Technology.