Journal of Guangxi Normal University(Natural Science Edition) ›› 2012, Vol. 30 ›› Issue (4): 18-24.

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Implementation of the Acceleration Simulation with Lattice Boltzmann Method Based on CUDA

QIN Zhang-rong1, ZHANG Chao-ying1, QIU Bin2, LI Yuan-yuan1, MO Liu-liu1   

  1. 1.College of Computer Science and Information Engineering,Guangxi Normal University,Guilin Guangxi 541004,China;
    2.Guangxi College of Water Resources and Electic Power,Nanning Guangxi 530023,China
  • Received:2012-07-16 Published:2018-11-27

Abstract: In recent years,there are more and more research on implementing LBM accelerating computation on the GPU of a PC's graphics card with CUDA technology is getting more attention.But the detailed algorithm and the analysis of computational performance which compute parallelly on a GPU with different memory are rarely studied.In thispaper,by using different memory on a GPU,the parallel computing of LBM was implemented and the detailed algorithms are provided.Taking the plane Poiseuilleflow as a test example,the parallel computation of the LBM is implemented on a NVIDIA GeForce GTS 450 GPU and an Intel Core i5-760 quad-core CPU on a PC respectively.Both computing results have good agreement and the highest speedup of GPU is about 107 times faster than that of CPU.The result indicates parallel computation of the LBM on GPU is completely feasible and the accelerating performance is very significant,which provides a very effective way to solve the complex problem of the modern computational fluid dynamics in a low cost computer.

Key words: GPU, CUDA, lattice Boltzmann method, plane Poiseuille flow

CLC Number: 

  • O357
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