GUTIERREZ GUZMAN, Jonathan Francisco; HORTA RANGEL, Jaime Moises; PEREZ LARA Y HERNANDEZ, Miguel Angel; YANEZ-GODOY, Humberto

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Communication dans un congrès

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XIX International Engineering Congress CONiiN, 2023-05-15, Querétaro. 2023-05

Résumé en anglais

This paper is the second stage of a scientific investigation that presented a review of mitigation strategies in coastal areas. In order to evaluate parameters of interest for the design of low-rise buildings, such as pressure coefficients, Cp, and wind behavior around the structure, 36 configurations based on a Central Composite Design (CCD) were simulated using Computational Fluid Dynamics (CFD) with a RNG 𝒌−Ɛ turbulence model. The results in terms of wind velocity and behavior, as well as turbulence kinetic energy, were validated with respect to the existing literature, obtaining similar and acceptable contours, streamlines and vectors. These results showed that the negative values of Cp and velocity are more important, i.e., the suction effects have a greater impact on the building than the overpressure effects. By elevating the structure, the wind behavior around it causes vorticity, which in turn leads to negative pressures, especially on the roofs, lower floor and downstream walls. The results obtained should allow: (1) to generate a predictive model based on the Cp coefficients using the Response Surface Methodology (SRM) and (2) to propose mitigation strategies against hurricane winds.< Réduire

Mots clés en anglais

Computational Fluid Dynamics

Low-rise building

Central Composite Design

RNG 𝒌−Ɛ turbulence model.

URI

https://oskar-bordeaux.fr/handle/20.500.12278/184339

Unités de recherche

Institut de Mécanique et d’Ingénierie de Bordeaux (I2M) - UMR 5295

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CFD model to evaluate the performance of a low-rise building exposed to hurricane wind loads with different configurations.

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