Dieflow uses full 3-D flow analyses to design
extrusion dies. Traditionally, dies have been designed using 1-D
or 2-D analyses which assume the lubrication approximation in part
of the die while applying hydraulic radii and "shape factors"
in other regions of the die. Inertia is usually neglected in all
regions of the die.
Dieflow solves full 3-D non-Newtonian viscus flow equations everywhere
in the die. Inertia effects are included. The equations are solved
with finite element method using quadratic elements to obtain extremely
accurate results. Such accuracy is not possible with simpler 1-D
or 2-D models.
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