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On numerical modelling of a three-dimensional flow past a wing with external flow suction and on the effect of flow suction on trailing vortices

In this paper, we propose a numerical method of calculating a three-dimensional unsteady flow past a thin wing in the presence of flow suction on the wing surface through a point hole or a narrow slot. The proposed method is a further development of the discrete vortex frame method that allows one to model a flow past bodies and the evolution of a vortex wake behind them in the framework of an ideal incompressible fluid model.