Articles | Volume 12, issue 6
Development and technical paper
01 Jul 2019
Development and technical paper |  | 01 Jul 2019

Implementation of an immersed boundary method in the Meso-NH v5.2 model: applications to an idealized urban environment

Franck Auguste, Géraldine Réa, Roberto Paoli, Christine Lac, Valery Masson, and Daniel Cariolle

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Cited articles

Allwine, K. J., Shinn, J. H., Streit, G. E., Clawson, K. L., and Brown, M.: Overview of URBAN 2000: A multiscale field study of dispersion through an urban environment, B. Am. Meteorol. Soc., 83, 521–536, 2002. a
Angot, P., Bruneau, C. H., and Fabrie, P.: A penalization method to take into account obstacles in incompressible viscous flows, Numer. Math., 81, 497–520, 1999. a
Auguste, F.: Instabilités de sillage et de trajectoire dans un fluide visqueux, PhD thesis, University of Toulouse, Toulouse, France, 2010. a
Auguste, F.: MNH-IBM: Source code and input files, available at:, last access: 13 May 2019. a
Aumond, P., Masson, V., Lac, C., Gauvreau, B., Dupont, S., and Berengier, M.: Including the drag effects of canopies: real case large-eddy simulation studies, Bound.-Lay. Meteorol., 146, 65–80, 2013. a, b
Short summary
The numerical implementation of an immersed boundary method in the atmospheric solver Meso-NH is presented. This technique models fluid–solid interaction and allows for the simulation of urban flows by considering buildings to be part of the resolved scales. This study constitutes a first robust step towards a better understanding of the interactions between weather and cities and better predictions of such interactions.