Shock and Vibration / 2019 / Article / Fig 16

Research Article

Vibration and Sound Transmission Performance of Sandwich Panels with Uniform and Gradient Auxetic Double Arrowhead Honeycomb Cores

Figure 16

Optimal design from 1000 to 1500 Hz: (a) STLs of the baseline and optimized models; (b) iteration steps; (c) configurations of the optimized gradient NPR models; (d) mechanical properties of the DAHs within the optimized gradient NPR models.
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