Ultrasonic Modelling for Non-destructive Testing

Dear Colleagues,

This Special Issue of Applied Sciences focuses on the advancement of modeling methods for the ultrasonic Non-destructive Testing (NDT) of materials such as metals, concrete, composites, metamaterials, and biomaterials. Ultrasonic techniques are employed for non-destructive purposes in order to evaluate the properties and damage states of structures devised for numerous applications (engineering, building materials, medicine, etc.). With this method, different kinds of material properties (mechanical, chemical, physical, biological, etc.) with various physical states/compositions (e.g., solid, liquid, heterogeneous, inhomogeneous, complex, and moving media) can be investigated. The scope of this Special Issue includes, but is not limited to, ultrasonic wave techniques for classical non-destructive evaluation, structural health and condition monitoring of structures, existing or novel methods for imaging, ultrasonic characterization, non-linear acoustics, acoustic emission, laser ultrasonics, additive manufacturing, medical applications, sensors, and signal and noise analysis.

The current Special Issue aims to explore advances in ultrasonic modeling methods for understanding or predicting NDT inspections. Simulating a NDT measurement generally requires modeling the propagation and scattering of ultrasonic waves from flaws/damage/interfaces and the associated wave characteristics, such as propagation and scattered amplitudes, times of flight, velocities, and attenuation dispersion, which are highly sensitive to material properties. Developed simulation tools may rely on different mathematical/physical theories or assumptions; for instance, semi-analytical, numerical, and hybrid models may be used for direct simulation and model benchmarking, inversion theory for imaging and damage localization, and artificial intelligence.

I invite you to submit novel achievements in the understanding and modeling of ultrasonic waves for NDT applications and welcome high-quality research and review papers on theoretical, practical, and validation aspects.

Prof. Dr. Michel DARMON
Guest Editor

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