For the simulation of turbulent flows in the atmosphere
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MicroHH is a computational fluid dynamics code designed to simulate turbulent flows in the atmosphere using Direct Numerical Simulation (DNS) and Large-Eddy Simulation (LES) techniques. Its capabilities span a range from highly idealized flows to realistic atmospheric boundary layers, incorporating all relevant processes, such as moist thermodynamics, radiation, land surface processes, and microphysics. The code is written in C++/CUDA and runs on both CPUs and GPUs.
MicroHH is hosted on GitHub. There, the latest version of the source code can be found, as well as all releases, and a bug tracker. Our ReadTheDocs pages provide guidance on how to use the model.
MicroHH is described in detail in van Heerwaarden et al. (2017). In case you decide to use MicroHH for your own research, the developers would appreciate to be notified and kindly request to cite their reference paper.
From time to time we post animations in our Vimeo channel. The HD versions can be watched at the Vimeo website.