Articles | Volume 15, issue 11
https://doi.org/10.5194/gmd-15-4489-2022
https://doi.org/10.5194/gmd-15-4489-2022
Development and technical paper
 | 
10 Jun 2022
Development and technical paper |  | 10 Jun 2022

University of Warsaw Lagrangian Cloud Model (UWLCM) 2.0: adaptation of a mixed Eulerian–Lagrangian numerical model for heterogeneous computing clusters

Piotr Dziekan and Piotr Zmijewski

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Cited articles

Andrejczuk, M., Grabowski, W. W., Reisner, J., and Gadian, A.: Cloud-aerosol interactions for boundary layer stratocumulus in the Lagrangian Cloud Model, J. Geophys. Res.-Atmos., 115, D22, https://doi.org/10.1029/2010JD014248, 2010. a
Arabas, S., Jaruga, A., Pawlowska, H., and Grabowski, W. W.: libcloudph++ 1.0: a single-moment bulk, double-moment bulk, and particle-based warm-rain microphysics library in C++, Geosci. Model Dev., 8, 1677–1707, https://doi.org/10.5194/gmd-8-1677-2015, 2015. a, b
Arabas, S., Waruszewski, M., Dziekan, P., Jaruga, A., Jarecka, D., Badger, C., and Singer, C.: libmpdata++ v2.0-beta source code, Zenodo [code], https://doi.org/10.5281/ZENODO.5713363, 2021. a
Arakawa, A. and Lamb, V. R.: Computational Design of the Basic Dynamical Processes of the UCLA General Circulation Model, General Circulation Models of the Atmosphere, 17, 173–265, https://doi.org/10.1016/b978-0-12-460817-7.50009-4, 1977. a
Bauer, P., Dueben, P. D., Hoefler, T., Quintino, T., Schulthess, T. C., and Wedi, N. P.: The digital revolution of Earth-system science, Nat. Comput. Sci., 1, 104–113, https://doi.org/10.1038/s43588-021-00023-0, 2021. a, b
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Short summary
Detailed computer simulations of clouds are important for understanding Earth's atmosphere and climate. The paper describes how the UWLCM has been adapted to work on supercomputers. A distinctive feature of UWLCM is that air flow is calculated by processors at the same time as cloud droplets are modeled by graphics cards. Thanks to this, use of computing resources is maximized and the time to complete simulations of large domains is not affected by communications between supercomputer nodes.