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Towards Urban-Scale Flow Simulations Using the Lattice Boltzmann Method

Christian Obrecht 1, * Frederic Kuznik 1 Bernard Tourancheau 2, 3 Jean-Jacques Roux 1 
* Corresponding author
2 SWING - Smart Wireless Networking
Inria Grenoble - Rhône-Alpes, CITI - CITI Centre of Innovation in Telecommunications and Integration of services
3 Drakkar
LIG - Laboratoire d'Informatique de Grenoble
Abstract : The lattice Boltzmann method (LBM) is an innovative approach in computational fluid dynamics (CFD). Due to the underlying lattice structure, the LBM is inherently parallel and therefore well suited for high performance computing. Emerging many-core devices, such as graphic processing units (GPUs), nowadays allow to run very large scale simulations on rather inexpensive hardware. In this contribution, we present some simulation results obtained using our multi-GPU LBM solver. For validation purpose, we study the flow around a wall-mounted cube and show good agreement with previously published results. Furthermore, we discuss larger scale flow simulations involving nine cubes which demonstrate the practicability of CFD simulations in building aeraulics.
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Submitted on : Monday, January 27, 2014 - 7:19:42 PM
Last modification on : Wednesday, July 6, 2022 - 4:20:35 AM


  • HAL Id : hal-00930965, version 1


Christian Obrecht, Frederic Kuznik, Bernard Tourancheau, Jean-Jacques Roux. Towards Urban-Scale Flow Simulations Using the Lattice Boltzmann Method. Building Simulation 2011 - 12th Conference of International Building Performance Simulation Association, Nov 2011, Sydney, Australia. pp.933-940. ⟨hal-00930965⟩



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