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Application of GPU Smooth Particle Hydrodynamics: Wave Runup and Overtopping on Composite Slopes

Billy L. Edge, Margery F. Overton, Robert A. Dalrymple, Alexis Herault, Giuseppe Bilotta, M. Onur Kurum, Kevin Gamiel
North Carolina State University
Coastal Engineering Proceedings, Vol. 1, Number 33, 33rd Conference on Coastal Engineering, 2012
@article{edge2012application,

   title={APPLICATION OF GPU SMOOTH PARTICLE HYDRODYNAMICS: WAVE RUNUP AND OVERTOPPING ON COMPOSITE SLOPES},

   author={Edge, B.L. and Overton, M.F. and Dalrymple, R.A. and H{‘e}rault, A. and Bilotta, G. and Kurum, M.O. and Gamiel, K.},

   journal={Coastal Engineering Proceedings},

   volume={1},

   number={33},

   pages={waves–74},

   year={2012}

}

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Smooth Particle Hydrodynamics is a Lagrangian meshless numerical method with substantially improved capabilities in simulation of both fluid dynamics and solid mechanics due to its meshless nature. GPUSPH is an implementation of Smoothed Particle Hydrodynamics (SPH) on Nvidia CUDA-enabled (graphics) cards. In this paper the GPUSPH is applied to runup and overtopping applications and compared with experimental results from Roos and Battjes for a plane slope and Oaks, Edge and Lynett for complex bathymetry representing a complex levee transition. Results for both models show good comparison with experimental data and suggest GPUSPH as a reasonable tool for complex runup and overtopping problems.
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