Reducing the Collision Damage Done to the Tips of Steel Needles during Integrated Piercing by Using Shape Optimization with Feature Selection

Table 4

Definition of modeling variables.

	MIC	MAS	MEV	GMIC	TIC
m	0.1588	0.0410	0.1588	0.1450	438.7405
dned	0.2964	0.0945	0.2964	0.2718	794.1484
L1	0.1567	0.0762	0.1567	0.1382	355.7005
L2	0.2004	0.0280	0.2004	0.1887	569.5243
x	0.1025	0.0355	0.0923	0.0923	282.1031