Abstract
In this chapter a Lattice Boltzmann Method (LBM) was presented as a relatively simple tool for generation of flow velocity field over river sand waves. The special attention was paid to the way of discretization of the presented equations. The choice of this method was conditioned by its advantages for modeling of complex geometries. Moreover, the computations with use of this method are easy to parallelize in contrast to the widely used models. The numerical results were compared with the available laboratory data and a reasonable agreement was found among the mean fluid velocity over the stoss, crest and trough of the considered fixed, triangular dune.
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Acknowledgments
This work was supported by the Institute of Geophysics of Polish Academy of Sciences through the project for Young Scientists No. 16/IGF PAN/ 2011/Mł. The authors are also grateful to V. Nikora, A. Rajwa, and A. Sukhodolov for stimulating discussions on this topic and constructive comments on the manuscript.
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Karpiński, M., Bialik, R.J., Rowiński, P.M. (2013). Application of Lattice Boltzmann Method for Generation of Flow Velocity Field Over River Bed-Forms. In: Rowiński, P. (eds) Experimental and Computational Solutions of Hydraulic Problems. GeoPlanet: Earth and Planetary Sciences. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-30209-1_23
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