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

<div>Histogram of displacement distribution of steel needle array in four groups of experiments: (a) group 1; (b) group 2; (c) group 3; (d) group 4.</div>

Mathematical Problems in Engineering

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Figure 17

Figure 17: Reducing the Collision Damage Done to the Tips of Steel Needles during Integrated Piercing by Using Shape Optimization with Feature Selection 

Figure 17 | Reducing the Collision Damage Done to the Tips of Steel Needles during Integrated Piercing by Using Shape Optimization with Feature Selection 