Figure 3 | Scientific Reports

Figure 3

From: Reinforcement learning optimisation for graded metamaterial design using a physical-based constraint on the state representation and action space

Figure 3

Magnetic loading: geometry and frequency characterisation of the resonators of the optimised configuration and of a linear grading amplifying the largest harmonic components of the loading. On top: geometry of (a) linear grading, (b) GA grading and (c) RL grading. On bottom: comparison between the first (equivalent) bending frequency of the resonator pairs, depicted by red diamonds, and the frequency spectrum of the magnetic loading for (d) linear grading, (e) GA grading and (f) RL grading.

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