Guided Wave Propagation and Interaction with Damage in Tubular Structures
A piezoelectric active sensor network is configured to collect the wave scattering from a throughthickness hole on an aluminium rectangular tube. It is found that guided waves are capable of propagating across the tube edges, while keeping the sensitivity to the damage even not on surfaces where the actuator and sensor are located. Signal correlation between the intact and damaged structure is evaluated and the probability distribution of damage is thus achieved on the unfolded tube surface.
John Bell, Cheng Yan, Lin Ye and Liangchi Zhang
Y. Lu et al., "Guided Wave Propagation and Interaction with Damage in Tubular Structures", Advanced Materials Research, Vol. 32, pp. 289-292, 2008