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

<div>Four stages of the piercing process: (a) carbon cloth placement; (b) fiber straightening; (c) needle tip piercing; (d) template moving to needle bar.</div>

Mathematical Problems in Engineering

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Figure 3: Reducing the Collision Damage Done to the Tips of Steel Needles during Integrated Piercing by Using Shape Optimization with Feature Selection 

Figure 3 | Reducing the Collision Damage Done to the Tips of Steel Needles during Integrated Piercing by Using Shape Optimization with Feature Selection 