Table 12 Frequencies of backward travelling waves.

From: Non-cuttable material created through local resonance and strain rate effects

 

n = 0

n = 1

n = 2

n = 3

s=0

—

281.2 Hz

246.2 Hz

397.4 Hz

s=1

—

2401.9 Hz

2585.9 Hz

3138.7 Hz

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