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

<div>Drawing model of bending fiber around the needle: (a) top view of yarn bending around the needle; (b) side view of the yarn around the needle.</div>

Mathematical Problems in Engineering

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Figure 5

Figure 5: Reducing the Collision Damage Done to the Tips of Steel Needles during Integrated Piercing by Using Shape Optimization with Feature Selection 

Figure 5 | Reducing the Collision Damage Done to the Tips of Steel Needles during Integrated Piercing by Using Shape Optimization with Feature Selection 