Articles | Volume 17, issue 7
https://doi.org/10.5194/gmd-17-2901-2024
https://doi.org/10.5194/gmd-17-2901-2024
Model experiment description paper
 | 
16 Apr 2024
Model experiment description paper |  | 16 Apr 2024

Challenges of constructing and selecting the “perfect” boundary conditions for the large-eddy simulation model PALM

Jelena Radović, Michal Belda, Jaroslav Resler, Kryštof Eben, Martin Bureš, Jan Geletič, Pavel Krč, Hynek Řezníček, and Vladimír Fuka

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Latest update: 17 Jul 2024
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Short summary
Boundary conditions are of crucial importance for numerical model (e.g., PALM) validation studies and have a large influence on the model results, especially when studying the atmosphere of real, complex, and densely built urban environments. Our experiments with different driving conditions for the large-eddy simulation model PALM show its strong dependency on boundary conditions, which is important for the proper separation of errors coming from the boundary conditions and the model itself.