Angle-based nozzle optimization captures most pressure-loss reductions in FDM extrusion; spline parametrization adds only marginal gains at the cost of manufacturability.
Numerical modeling of the polymer flow through the hot-end in filament-based material extrusion additive manufacturing.Additive Manufacturing, 36:101454, 2020a
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Numerical Optimization of Planar Nozzle Shapes for Fused Deposition Modeling
Angle-based nozzle optimization captures most pressure-loss reductions in FDM extrusion; spline parametrization adds only marginal gains at the cost of manufacturability.