| HAL : hal-00593735, version 1 |
| DOI : 10.1155/2011/540390 |
| Fiche détaillée | Récupérer au format |
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| Journal of Combustion 2011 (2011) Article ID 540390, 13 pages |
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| Simulation of coupled fire/atmosphere interaction with the MesoNH-ForeFire models |
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| Jean Baptiste Filippi 1Frédéric Bosseur 1 |
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| (05/2011) |
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| Simulating interaction between forest fire and atmospheric processes requires a highly detailed and computationally intensive model. Processing this type of simulations in wildland fires forbids combustion-based models due to the large amount of fuels to be simulated, in terms of quantity and diversity. In this paper we propose an approach that couples a fire area simulator to a mesoscale weather numerical model in order to simulate local fire/atmosphere interaction. Five idealized simulation cases are analysed showing strong interaction between topography and the fire front induced wind, interactions that could not be simulated in non-coupled simulations. The same approach applied to a real case scenario also shows results that are qualitatively comparable to the observed case. All these results were obtained in less than a day of calculation on a dual processor computer, leaving room for improvement in grid resolution that is currently limited to fifty meter. |
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| 1 : | Sciences pour l'environnement (SPE) |
| Université Pascal Paoli – CNRS : UMR6134 | |
| 2 : | Laboratoire d'aérologie (LA) |
| CNRS : UMR5560 – Observatoire Midi-Pyrénées – INSU – Université Paul Sabatier [UPS] - Toulouse III | |
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| Feux |
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| Domaine | : | Informatique/Modélisation et simulation |
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| Fire spread – wildland – fire – coupled atmosphere-fire numerical model |
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| Liste des fichiers attachés à ce document : | |||||
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| hal-00593735, version 1 | |
| http://hal.archives-ouvertes.fr/hal-00593735 | |
| oai:hal.archives-ouvertes.fr:hal-00593735 | |
| Contributeur : Jean Baptiste Filippi | |
| Soumis le : Mardi 17 Mai 2011, 11:50:42 | |
| Dernière modification le : Jeudi 21 Juin 2012, 13:46:34 | |