Abstract : In modern cities, more and more people in the square like leisure, entertainment. Diverse groups of people one after another along the Plaza campaign, the picture is the same as in rivers surging currents. Under such circumstances deflect analysis of the movement of each vehicle, but the crowd watching continuous fluid. In each time the passenger flow through the square every point, the relationship between variables such as speed and density. holidays or the weather changes, particularly in the flow of the changes in the square, In this paper, we introduce the basic functions Square crowd, and then continuous flow with the action on the square and the interruption occurred, Place set up the basic flow equations used to describe a function of flow density of the square.
Keywords : fluid flow density function Square