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2017 GTC San Jose

S7266 - Higher Performance LBM Simulation on GPUs

Session Speakers
Session Description

The Lattice Boltzmann method has been used widely in the simulations of turbulence, porous media flow, and multiphase flows. It's efficient for its high parallelism and scalability, however, due to the low ratio of computational operations to memory access requirements, LBM simulations are memory-bound and their actual performance is typically 10 to 15% of the peak performances for both CPUs and GPUs. We'll introduce our efforts to boost its performace by reducing the memory access and increase the computational operations by considering more complex physical processes and integrating statistical and visualization operations for interactive dynamic simulation of multiphase flows. The direct numerical simulation of gas-solid flow is carried out using NVIDIA Tesla K80 and P100 GPUs with encouraging results.


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Talk
Computational Fluid Dynamics Computer Aided Engineering
25 minutes
Session Schedule