Flow with separation around a flat plate with rejected flap and a presence of a stagnation zone

In this paper the problem of a flow with separation around a flat plate with rejected flap is solved at presence of a stagnation zone after flap, and also with presence an angular point between a flat plate and flap. Pressure in a stagnation zone near an angular point is defined from Brillouin–Villat condition of of smooth separation. Dependencies of aerodynamic characteristics are received.