Figure 7
From: Smoothing Parametric Design of Addendum Surfaces for Sheet Metal Forming

Smoothness of the addendum surface in different modeling method: (a) empirical scheme; (b) non-optimized scheme; (c) optimized scheme
From: Smoothing Parametric Design of Addendum Surfaces for Sheet Metal Forming
Smoothness of the addendum surface in different modeling method: (a) empirical scheme; (b) non-optimized scheme; (c) optimized scheme