Journal
INTERNATIONAL JOURNAL OF COMPUTATIONAL FLUID DYNAMICS
Volume 22, Issue 7, Pages 443-456Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/10618560802238275
Keywords
lattice Boltzmann model; D3Q13 model; graphical processing unit; high performance computing
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A very efficient implementation of a lattice Boltzmann (LB) kernel in 3D on a graphical processing unit using the compute unified device architecture interface developed by nVIDIA is presented. By exploiting the explicit parallelism offered by the graphics hardware, we obtain an efficiency gain of up to two orders of magnitude with respect to the computational performance of a PC. A non-trivial example shows the performance of the LB implementation, which is based on a D3Q13 model that is described in detail.
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