Three-dimensional LBM simulations of buoyancy-driven flow using Graphics processing units

Prasanna R. Redapangu, Kirti Chandra Sahu
Department of Chemical Engineering, Indian Institute of Technology Hyderabad, Andhra Pradesh, India
4th National Conference on Parallel Computing Technologies (PARCOMPTECH-2013), 2013


   title={Three-dimensional LBM simulations of buoyancy-driven flow using Graphics processing units},

   author={Redapangu, Prasanna Rani and Sahu, Kirti Chandra},



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Three-dimensional simulations of buoyancy-driven flow of two immiscible liquids are performed using lattice Boltzmann method (LBM) implemented on a graphics processing unit (GPU). Graphics processing unit is a new paradigm for computing fluid flows and has become more popular in the recent years. It is a powerful and convenient to use. LBM, which is an excellent alternative technique for fluid flow simulation, when implemented on GPUs gives a very high computational speed-up. Our present GPU based LBM solver gives a speed-up 25 times corresponding CPU based code.
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