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When it comes to dealing with high voltages or issues of high electric currents, infrastructure security and people’s safety are of paramount importance. These kinds of phenomena have dangerous consequences, therefore studies concerning the effects of lightning are crucial. The normal operation of transmission and distribution systems is greatly affected by lightning, which is one of the major causes of power interruptions: direct or nearby indirect strikes can cause flashovers in overhead transmission and distribution lines, resulting in over voltages on the line conductors. Contributions to this Special Issue have mainly focused on modelling lightning activity, investigating physical causes, and discussing and testing mathematical models for the electromagnetic fields associated with lighting phenomena. In this framework, two main topics have emerged: 1) the interaction between lightning phenomena and electrical infrastructures, such as wind turbines and overhead lines; and 2) the computation of lightning electromagnetic fields in the case of particular configuration, considering a negatively charged artificial thunderstorm or considering a complex terrain with arbitrary topography

Technology: general issues --- lightning --- lightning protection system --- wind turbine blades --- ANSYS workbench --- graphics processing unit (GPU) --- OpenACC (open accelerators) --- finite difference time domain (FDTD) --- lightning magnetic fields --- electromagnetic field --- analytical formula --- corona discharge --- lightning protection --- electromagnetic pulse --- lightning-induced voltages --- numerical codes --- distribution lines --- lightning-induced overvoltages --- grounding modeling --- soil resistivity --- artificial thunderstorm cell --- upward streamer discharges --- electromagnetic radiation spectrum --- wavelet --- transmission line monitoring system --- model element --- simulation --- corona --- lightning surge --- overhead line --- transient calculation --- n/a

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The Special Issue “Non-Destructive Testing of Structures” has been proposed to present the recent developments in the field of the diagnostics of structural materials and components in civil and mechanical engineering. The papers highlighted in this editorial concern various aspects of non-invasive diagnostics, including such topics as the condition assessments of civil and mechanical structures and the connections of structural elements, the inspection of cultural heritage monuments, the testing of structural materials, structural health monitoring systems, the integration of non-destructive testing methods, advanced signal processing for the non-destructive testing of structures (NDT), damage detection and damage imaging, as well as modeling and numerical analyses for supporting structural health monitoring (SHM) systems.

History of engineering & technology --- capillary-based structural health monitoring --- fatigue crack growth --- fatigue crack initiation --- XFEM --- straight lug --- cast-in-place concrete --- temperature --- boundary conditions --- on-line monitoring --- numerical simulations --- strength --- extradosed bridge --- SHM system --- delamination --- width-to-depth ratio (WTDR) --- concrete bridge deck --- handheld IR camera (H-IRC) --- UAV IR camera (UAV-IRC) --- passive IRT --- non-destructive technique --- concrete structure --- non-destructive evaluation --- crack effect --- metal magnetic memory --- magnetic intensity gradient --- stress --- non-destructive testing --- ultrasonic tomography --- graph theory --- concrete --- damage mechanics --- elastic degradation --- damage parameter --- internal length --- experimental research --- methodology --- floors --- cement-based materials --- casting --- forming --- non-destructive and semi-destructive tests --- laser scanning --- photogrammetry --- tachymetry --- bridge deflection --- non-contact measurement --- wave propagation --- damage detection --- numerical modelling --- hardness --- Barkhausen noise --- number of events --- non-destructive testing inverse problem --- adhesive joint --- concrete beam --- guided waves --- debonding --- damage imaging --- root mean square --- cracking pattern --- cracks --- cement composites --- image analysis --- historical floor --- integrated diagnostics --- ground penetrating radar --- ultrasonic testing --- in situ surveys --- finite-difference time-domain modeling --- masonry structures --- autoclaved aerated concrete masonry units (AAC) --- compressive strength --- minor-destructive (MDT) techniques --- non-destructive techniques (NDT) --- acoustoelastic effect (AE) --- quasi-brittle cement composites --- acoustic emission --- acoustic spectrum --- micro events --- acoustic nondestructive methods --- large format tiles --- real-life application --- mechanical load --- failure --- vibration signal analysis --- nondestructive testing --- Kalman filtering --- parameter identification --- magnetic Barkhausen noise --- magnetic anisotropy --- grain oriented steel --- time-frequency representation --- signal processing --- data mining methods --- digital image correlation --- region-based convolutional neural network --- machine learning --- crack monitoring --- crack detection and localization --- elastic waves --- neural networks --- force prediction --- flange connection --- static test --- soil-steel bridge --- terrestrial laser scanning --- finite element method (FEM) --- modelling and simulations --- material parameters identification --- vibration measurements --- testing --- operational modal analysis --- lighthouse --- historic tower --- steel structures --- stressed-skin effect --- diaphragm design --- trapezoidal sheeting --- condition assessment of steel structure --- structural health monitoring --- civil engineering structures --- mechanical structures --- damage detection and visualization --- modeling and simulations --- capillary-based structural health monitoring --- fatigue crack growth --- fatigue crack initiation --- XFEM --- straight lug --- cast-in-place concrete --- temperature --- boundary conditions --- on-line monitoring --- numerical simulations --- strength --- extradosed bridge --- SHM system --- delamination --- width-to-depth ratio (WTDR) --- concrete bridge deck --- handheld IR camera (H-IRC) --- UAV IR camera (UAV-IRC) --- passive IRT --- non-destructive technique --- concrete structure --- non-destructive evaluation --- crack effect --- metal magnetic memory --- magnetic intensity gradient --- stress --- non-destructive testing --- ultrasonic tomography --- graph theory --- concrete --- damage mechanics --- elastic degradation --- damage parameter --- internal length --- experimental research --- methodology --- floors --- cement-based materials --- casting --- forming --- non-destructive and semi-destructive tests --- laser scanning --- photogrammetry --- tachymetry --- bridge deflection --- non-contact measurement --- wave propagation --- damage detection --- numerical modelling --- hardness --- Barkhausen noise --- number of events --- non-destructive testing inverse problem --- adhesive joint --- concrete beam --- guided waves --- debonding --- damage imaging --- root mean square --- cracking pattern --- cracks --- cement composites --- image analysis --- historical floor --- integrated diagnostics --- ground penetrating radar --- ultrasonic testing --- in situ surveys --- finite-difference time-domain modeling --- masonry structures --- autoclaved aerated concrete masonry units (AAC) --- compressive strength --- minor-destructive (MDT) techniques --- non-destructive techniques (NDT) --- acoustoelastic effect (AE) --- quasi-brittle cement composites --- acoustic emission --- acoustic spectrum --- micro events --- acoustic nondestructive methods --- large format tiles --- real-life application --- mechanical load --- failure --- vibration signal analysis --- nondestructive testing --- Kalman filtering --- parameter identification --- magnetic Barkhausen noise --- magnetic anisotropy --- grain oriented steel --- time-frequency representation --- signal processing --- data mining methods --- digital image correlation --- region-based convolutional neural network --- machine learning --- crack monitoring --- crack detection and localization --- elastic waves --- neural networks --- force prediction --- flange connection --- static test --- soil-steel bridge --- terrestrial laser scanning --- finite element method (FEM) --- modelling and simulations --- material parameters identification --- vibration measurements --- testing --- operational modal analysis --- lighthouse --- historic tower --- steel structures --- stressed-skin effect --- diaphragm design --- trapezoidal sheeting --- condition assessment of steel structure --- structural health monitoring --- civil engineering structures --- mechanical structures --- damage detection and visualization --- modeling and simulations

Choose an application

• Reference Manager
• EndNote
• RefWorks (Direct export to RefWorks)

The Special Issue “Non-Destructive Testing of Structures” has been proposed to present the recent developments in the field of the diagnostics of structural materials and components in civil and mechanical engineering. The papers highlighted in this editorial concern various aspects of non-invasive diagnostics, including such topics as the condition assessments of civil and mechanical structures and the connections of structural elements, the inspection of cultural heritage monuments, the testing of structural materials, structural health monitoring systems, the integration of non-destructive testing methods, advanced signal processing for the non-destructive testing of structures (NDT), damage detection and damage imaging, as well as modeling and numerical analyses for supporting structural health monitoring (SHM) systems.

capillary-based structural health monitoring --- fatigue crack growth --- fatigue crack initiation --- XFEM --- straight lug --- cast-in-place concrete --- temperature --- boundary conditions --- on-line monitoring --- numerical simulations --- strength --- extradosed bridge --- SHM system --- delamination --- width-to-depth ratio (WTDR) --- concrete bridge deck --- handheld IR camera (H-IRC) --- UAV IR camera (UAV-IRC) --- passive IRT --- non-destructive technique --- concrete structure --- non-destructive evaluation --- crack effect --- metal magnetic memory --- magnetic intensity gradient --- stress --- non-destructive testing --- ultrasonic tomography --- graph theory --- concrete --- damage mechanics --- elastic degradation --- damage parameter --- internal length --- experimental research --- methodology --- floors --- cement-based materials --- casting --- forming --- non-destructive and semi-destructive tests --- laser scanning --- photogrammetry --- tachymetry --- bridge deflection --- non-contact measurement --- wave propagation --- damage detection --- numerical modelling --- hardness --- Barkhausen noise --- number of events --- non-destructive testing inverse problem --- adhesive joint --- concrete beam --- guided waves --- debonding --- damage imaging --- root mean square --- cracking pattern --- cracks --- cement composites --- image analysis --- historical floor --- integrated diagnostics --- ground penetrating radar --- ultrasonic testing --- in situ surveys --- finite-difference time-domain modeling --- masonry structures --- autoclaved aerated concrete masonry units (AAC) --- compressive strength --- minor-destructive (MDT) techniques --- non-destructive techniques (NDT) --- acoustoelastic effect (AE) --- quasi-brittle cement composites --- acoustic emission --- acoustic spectrum --- micro events --- acoustic nondestructive methods --- large format tiles --- real-life application --- mechanical load --- failure --- vibration signal analysis --- nondestructive testing --- Kalman filtering --- parameter identification --- magnetic Barkhausen noise --- magnetic anisotropy --- grain oriented steel --- time-frequency representation --- signal processing --- data mining methods --- digital image correlation --- region-based convolutional neural network --- machine learning --- crack monitoring --- crack detection and localization --- elastic waves --- neural networks --- force prediction --- flange connection --- static test --- soil-steel bridge --- terrestrial laser scanning --- finite element method (FEM) --- modelling and simulations --- material parameters identification --- vibration measurements --- testing --- operational modal analysis --- lighthouse --- historic tower --- steel structures --- stressed-skin effect --- diaphragm design --- trapezoidal sheeting --- condition assessment of steel structure --- structural health monitoring --- civil engineering structures --- mechanical structures --- damage detection and visualization --- modeling and simulations