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http://dx.doi.org/10.6112/kscfe.2012.17.2.035

AN EFFICIENT INCOMPRESSIBLE FREE SURFACE FLOW SIMULATION USING GPU  

Hong, H.E. (School of Naval Architecture and Ocean Engineering, University of Ulsan)
Ahn, H.T. (School of Naval Architecture and Ocean Engineering, University of Ulsan)
Myung, H.J. (Super Computing Center, KISTI)
Publication Information
Journal of computational fluids engineering / v.17, no.2, 2012 , pp. 35-41 More about this Journal
Abstract
This paper presents incompressible Navier-Stokes solution algorithm for 2D Free-surface flow problems on the Cartesian mesh, which was implemented to run on Graphics Processing Units(GPU). The INS solver utilizes the variable arrangement on the Cartesian mesh, Finite Volume discretization along Constrained Interpolation Profile-Conservative Semi-Lagrangian(CIP-CSL). Solution procedure of incompressible Navier-Stokes equations for free-surface flow takes considerable amount of computation time and memory space even in modern multi-core computing architecture based on Central Processing Units(CPUs). By the recent development of computer architecture technology, Graphics Processing Unit(GPU)'s scientific computing performance outperforms that of CPU's. This paper focus on the utilization of GPU's high performance computing capability, and presents an efficient solution algorithm for free surface flow simulation. The performance of the GPU implementations with double precision accuracy is compared to that of the CPU code using an representative free-surface flow problem, namely. dam-break problem.
Keywords
Free-Surface Flow; GPU; VOF(Volume-of-Fluid); Navier-Stokes Equation; Incompressible flow;
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Times Cited By KSCI : 1  (Citation Analysis)
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