Applets Viscous Flow through a Pipe

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Viscous Flow through a Pipe

There is a gravitational force on the particles accelerating them to the right (this is the pressure).

When a particle encounters the walls, it loses its horizontal velocity, its vertical velocity is reversed. This simulates the frictional drag.

The particles begin with random velocities, the velocity profile settles to a parabolic shape.

A few particles are colored black to help picture the flow.

Code by Lawrence Hook