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Wind and Structures Volume 34, Number 6, June 2022 , pages 499-510 DOI: https://doi.org/10.12989/was.2022.34.6.499 |
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Low-fidelity simulations in Computational Wind Engineering: shortcomings of 2D RANS in fully separated flows |
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Gregorio Bertani, Luca Patruno and Fernando Gandìa Aguer
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| Abstract | ||
| Computational Wind Engineering has rapidly grown in the last decades and it is currently reaching a relatively mature state. The prediction of wind loading by means of numerical simulations has been proved effective in many research studies and applications to design practice are rapidly spreading. Despite such success, caution in the use of simulations for wind loading assessment is still advisable and, indeed, required. The computational burden and the know-how needed to run highfidelity simulations is often unavailable and the possibility to use simplified models extremely attractive. In this paper, the applicability of some well-known 2D unsteady RANS models, particularly the k- | ||
| Key Words | ||
| 2D RANS; bluff body aerodynamics; drag coefficient; wind engineering | ||
| Address | ||
| Gregorio Bertani, Luca Patruno:DICAM, University of Bologna, Bologna, Italy Fernando Gandia Aguer:IDR/UPM, Universidad Politecnica de Madrid, Plaza Cardenal Cisneros 3, Madrid, Spain | ||