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A vortex method for simulating a flat flow within moving complex boundaries is presented. Thanks to the use of Lagrange variabies (the trajectories of vortex particles) to determine the evolution of vorticity and velocity fields the method offers the possibility of modelling high Reynolds number flows. A procedure for formulating boundary conditions for flows confined by a moving impervious boundary,...
Computational results are presented for uniform approach flow past emergency gate model, placed in a 2-D channel with free water surface, for two cases: (I) fixed gate and (2) gate moving perpendicular to the water flow. The calculations were made in the dimensionless system, for the assumed Reynolds number Re = 10. The velocity field and vorticity field were determined by vortex method. On this basis...
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