Urban air pollution is a significant concern that affects the health and quality of life of city residents. The way pollutants spread through the air in cities is complicated by the intricate layout of buildings, streets, and other structures. In this seminar, we’ll dive into how we use Computational Fluid Dynamics (CFD) with code_saturne to model wind patterns and the movement of aerosols and other passive pollutants in cities like Paris and Warsaw.

We’ll share the details of our approach to building these high-resolution models (up to 1 meter resolution). This includes how we gather data about the city’s layout, create detailed meshes to represent complex urban geometries, and set up the right conditions for our simulations to run accurately. We’ll focus on how adding detailed features of the city into our models helps us better understand the subtle ways wind flows and pollutants move in densely built areas.

Additionally, we will present a comparative analysis between our simulation results and in-situ measurements from meteo stations. This comparison not only serves to validate our modeling approach but also highlights the effectiveness and limitations of CFD simulations in replicating real-world atmospheric conditions.

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