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Smoothed Particle Hydrodynamics (SPH) 를 이용한 유동 시뮬레이션 연구
송재경(Jaekyung Song),남정호(Jeong Ho Nam),임채호(Chae Ho Lim) (사)한국CDE학회 2015 한국 CAD/CAM 학회 학술발표회 논문집 Vol.2015 No.하계
Grid-based method such as Finite Difference Method(FDM), Finite Volume Method(FVM) have been mainly used for flow simulation. Furthermore, particle-based method (Smoothed Particle Hydrodynamics(SPH), Moving Particle Semi-Implicit(MPS) and Discrete Element Method(DEM) etc.) is recently being treated by many researchers. Particle-based methods were introduced long ago but it has not studied enough because there were some problems like as expensive run-time. However, it is currently being applied in various engineering fields because of highly enhanced hardware performance and many parallel techniques (OpenMP, CUDA, OpenCL, etc.). In this paper, we implement the flow simulation using GPU-based(CUDA) SPH and we show simulation results by using SPH compared with the experiment and by using FDM.