Table 1. Boundary Conditions for the Single-screw Extruder Channel and Flat Die

	Name	Type
Boundary. 1	Inlet	Fn, Fs imposed (Fn=0, Fs=0)
Boundary. 2	Outlet	Fn, Fs imposed (Fs=0)
Boundary. 3	Rotation	Cartesian velocities imposed (Vx, Vy, Vz)
Boundary. 4	Wall	Zero wall velocity
Boundary. 5	Screw	Moving part