Mathematical Problems in Engineering / 2020 / Article / Fig 4

Research Article

Guided Wave Propagation for Monitoring the Rail Base

Figure 4

The wave structures with the center frequency 90 kHz. (a) Mode with cp = 2534 m/s and cg = 3340 m/s. (b) Mode with 2950 m/s cg = 3190 m/s.

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