Advances, Reliability and Applications of Full-Field Measurement Techniques

Dear Colleagues,

The transition from analogical media to digital patterns has aided the advancement of many full-field measurement techniques, particularly for so-called “image-based” techniques, with even more consistent results than “scanning-based” techniques. Specifically, full-field measurements in engineering applications have grown in recent decades thanks to better and faster sensors and electronics, which are now able to capture quantitatively relevant dynamic behaviours synchronously in the whole sensed pattern, also supported by enhanced testing tools. Furthermore, new processing algorithms have permitted the refinement of the output for a much wider applicability in the field and a more refined calibration. Among the processing approaches, in particular, more attention should be paid to distinguish the results as belonging to a mere numerical or augmented processing from those with reliable physical meaning for a trusted interpretation of the results and a coherent design strategy.

We are pleased to invite you to contribute original research and reviews to this Special Issue. We aim to gather contributions not only on the advances, reliability and applications, but also on the experienced limitations or drawbacks of full-field measurement techniques in many scientific areas, with a special focus on mechanical and aeronautical dynamic systems.

Therefore, topics of interest include, but are not strictly limited to, the following:

(1) Standardisation of full-field measurements; calibration for reliability; uncertainty assessment; signal and image processing; time and frequency domain analyses; advanced transforms; applicability limits and drawbacks in the lab vs. the field testing; and comparisons with other techniques.

(2) Hybrid measurements (e.g., full-field contact-less—without distorting inertia—where accessible, combined with traditional lumped gauges).

(3) Optical measurements (3D metrology and profilometry, 2D/3D Digital Image Correlation, Optical Flow, Electronic Speckle Pattern Interferometry, Shearography, digital holography, fringe projection, Scanning Laser Doppler Vibrometry, Continuous Scanning Laser Doppler Vibrometry, stereo photogrammetry); computer vision and projections; Computerised Tomography; scanning eddy currents and ultra-sonic probes; thermal cameras; thermal imaging; microphonic arrays; acoustic beamforming; microscopy; video magnification with sound physical reliability; spatial filtering and signal processing.

(4) Advances and applications in the following: experimental full-field modal analysis; model updating; multi-input–many-output structural dynamics testing; high-speed and dynamic testing in macro- and micro-structures; full-field motion capture; image-based material testing; 2D/3D strain mapping; development of constitutive models with frequency dependencies, non-linearity and environmental dependency; strain–stress mapping in generalised composite materials, nets and tissues; bio-mechanics; structural integrity; NDT and defect assessment; pattern recognition, detection and morphological reconstructions of defects or anisotropies; fatigue assessment and prognosis, crack and corrosion progression; crash and high-strain/deformations; art/heritage/building monitoring and maintenance.

We look forward in receiving your contributions.

Dr. Alessandro Zanarini
Guest Editor

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