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In this article a very efficient implementation of a 2D-Lattice Boltzmann kernel using the Compute Unified Device Architecture (CUDA™) interface developed by nVIDIA ® is presented. By exploiting the explicit paralle-lism exposed in the graphics hardware we obtain more than one order in performance gain compared to standard CPUs. A non-trivial example, the(More)
In this paper we describe an extension of a recently developed lattice Boltzmann method for solving the advection–diffusion equation. Our proposed approach allows to couple grids of different grid resolutions and includes a staggered timestepping scheme, interpolations in space and time and finally a scaling step ensuring the continuity of the desired(More)
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