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In view of an extensive literature about guided waves propagation, interaction and numerical simulation in platelike\udstructures made of metallic and composite materials, a lack of information is pointed out regarding their reliability in\udstructural health monitoring approaches. Typically, because of uncertainties in the inspection process, the capability of nondestructive\udtesting systems is expressed by means of suitable probability of detection curves. Based on Berens’ model, a linear\udrelationship is established between probability of detection and flaw size. Although the uncertain factors differ from a nondestructive\udinspection technique and a structural health monitoring approach, the same mathematical framework can be\udassumed. Hence, the authors investigated the application of a recently developed non-destructive testing Multi-Parameter POD\udapproach to a guided waves based SHM one: numerical simulations as well as experimental data from flawed plates were\udcombined to bring about a “master” POD curve. Once established, it can be used to build the POD curves of the single key\udfactors as flaw size, orientation, structural attenuation and so on

A preliminary study of multi-parameter POD curves for a guided waves based SHM approach to lightweight materials