Excitation and Propagation of Longitudinal <i>L</i> (0, 2) Mode Ultrasonic Guided Waves for the Detection of Damages in Hexagonal Pipes: Numerical and Experimental Studies

<div>Finite element models for the hexagonal pipe: (a) normal; (b) hole-damaged; (c) uniform excitation; and (d) receiving points.</div>

Shock and Vibration

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Figure 5

Figure 5: Excitation and Propagation of Longitudinal <i>L</i> (0, 2) Mode Ultrasonic Guided Waves for the Detection of Damages in Hexagonal Pipes: Numerical and Experimental Studies 

Figure 5 | Excitation and Propagation of Longitudinal L (0, 2) Mode Ultrasonic Guided Waves for the Detection of Damages in Hexagonal Pipes: Numerical and Experimental Studies 