Real-time flow simulation of indoor environments using lattice Boltzmann method

A novel lattice Boltzmann method (LBM) based 3D computational fluid dynamics (CFD) technique has been implemented on the graphics processing unit (GPU) for the purpose of simulating the indoor environment in real-time. We study the time evolution of the turbulent airflow and temperature inside a tes...

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Veröffentlicht in:	Building simulation 2015-08, Vol.8 (4), p.405-414
Hauptverfasser:	Khan, M. Amirul Islam, Delbosc, Nicolas, Noakes, Catherine J., Summers, Jonathan
Format:	Artikel
Sprache:	eng
Schlagworte:	Aerodynamics Air flow Atmospheric Protection/Air Quality Control/Air Pollution Building Construction and Design Computational fluid dynamics Computer simulation Engineering Engineering Thermodynamics Flow simulation Fluid flow Graphics processing units Heat and Mass Transfer Indoor environments Large eddy simulation Mathematical models Monitoring/Environmental Analysis Real time Research Article Test chambers
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Zusammenfassung:	A novel lattice Boltzmann method (LBM) based 3D computational fluid dynamics (CFD) technique has been implemented on the graphics processing unit (GPU) for the purpose of simulating the indoor environment in real-time. We study the time evolution of the turbulent airflow and temperature inside a test chamber and in a simple model of a four-bed hospital room. The predicted results from LBM are compared with traditional CFD based large eddy simulations (LES). Reasonable agreement between LBM results and LES method is observed with significantly faster computational times.
ISSN:	1996-3599 1996-8744
DOI:	10.1007/s12273-015-0232-9