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. 2015 Mar 20;5:9376. doi: 10.1038/srep09376

Figure 4. The numerical demonstration of Lamb wave rainbow trapping.

Figure 4

(a) A schematic view of the cellular metamaterial plate for broadband Lamb wave trapping. (b)–(d) Displacement field distributions for A0 mode and S0 mode stimulations of three selected driving frequencies, respectively.