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

<div>Detailed process of integrated piercing preform: (a) arrangement of needle array; (b) integrated piercing; (c) pressurized compaction; (d) piercing completed; (e) replacement and lock; (f) preform.</div>

Mathematical Problems in Engineering

fig1

Figure 1

Figure 1: Reducing the Collision Damage Done to the Tips of Steel Needles during Integrated Piercing by Using Shape Optimization with Feature Selection 

Figure 1 | Reducing the Collision Damage Done to the Tips of Steel Needles during Integrated Piercing by Using Shape Optimization with Feature Selection 