Session | ||
WS25: Non-conventional/traditional numerical methods for indoor and outdoor airflow modelling
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Session Abstract | ||
BACKGROUNDThe use of computational fluid dynamics (CFD) for indoor and outdoor airflows and related heat and mass transport in the built environment has increased tremendously in the last decades. Despite the increase of computational power, there is a need for faster and more efficient numerical methods than the conventional CFD method, especially for cases with highly transient flow features which would otherwise require the use of the computationally demanding large-eddy simulation (LES) approach. Besides, the accuracy of conventional CFD methods can be limited in some instances and efforts are needed to increase this accuracy efficiently. AIMS AND SCOPEThe aim of the workshop is to present an overview, the progress, and the advantages and disadvantages of four different non-conventional/traditional numerical approaches to predict airflows, heat and mass transfer in the built environment, namely: (1) fast fluid dynamics (FFD); (2) lattice Boltzmann method (LBM); (3) CFD with data assimilation (CFDA); (4) voxel-based CFD. The presentations will be followed by a discussion on future directions for both academia and practice. PRESENTATIONSGPU-based Lattice Boltzmann Method (LBM) for interactive indoor and outdoor flow predictionAmirul Khan, University of Leeds, Leeds, UK, chair Prediction of transient particle transport in indoor airflow by integrated fast fluid dynamics (FFD) and Markov chain modeWei Liu, KTH Royal Institute of Technology, Sweden, Co-author Data Assimilated CFD for indoor air quality forecasting: Possibilities and futureNaveed Salman University of Leeds, UK Voxel based CFD: comparison with conventional CFD for indoor airflowsEugene Mamulova Eindhoven University of Technology, the Netherland
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Presentations | ||
ID: 683
Workshops Topics: 3. Thermal comfort, 11a. Building simulation and modelling - Air distribution, 11b. Building simulation and modelling - Interaction of structures and IEQ Keywords: Computational Fluid Dynamics, Lattice Boltzmann Method, Fast Fluid Dynamics Non-conventional/traditional numerical methods for indoor and outdoor airflow modelling |