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The first detection on Earth of a gravitational wave signal from the coalescence of a binary black hole system in 2015 established a new era in astronomy, allowing the scientific community to observe the Universe with a new form of radiation for the first time. More than five years later, many more gravitational wave signals have been detected, including the first binary neutron star coalescence in coincidence with a gamma ray burst and a kilonova observation. The field of gravitational wave astronomy is rapidly evolving, making it difficult to keep up with the pace of new detector designs, discoveries, and astrophysical results. This Special Issue is, therefore, intended as a review of the current status and future directions of the field from the perspective of detector technology, data analysis, and the astrophysical implications of these discoveries. Rather than presenting new results, the articles collected in this issue will serve as a reference and an introduction to the field. This Special Issue will include reviews of the basic properties of gravitational wave signals; the detectors that are currently operating and the main sources of noise that limit their sensitivity; planned upgrades of the detectors in the short and long term; spaceborne detectors; a data analysis of the gravitational wave detector output focusing on the main classes of detected and expected signals; and implications of the current and future discoveries on our understanding of astrophysics and cosmology.

Research & information: general --- Physics --- LIGO --- Virgo --- KAGRA --- gravitational waves --- detector characterization --- data quality --- noise mitigation --- seismic noise --- Newtonian noise --- seismic isolation system --- noise subtraction --- DECIGO --- thermal noise --- quantum noise --- diffraction loss --- interferometers --- ground based gravitational-wave detector --- Advanced Virgo --- gravitational-wave backgrounds --- stochastic gravitational-wave backgrounds --- stochastic searches of gravitational waves --- gravitational-wave laser interferometers --- pulsar timing arrays --- gravitational wave detectors --- optomechanics --- low-noise high-power laser interferometry --- calibration --- interferometer --- gravitational wave --- astrophysics --- laser metrology --- squeezed states --- quantum optics --- gravitational wave detector --- laser interferometer --- cryogenics --- underground --- einstein telescope --- newtonian noise --- coating noise --- silicon --- suspensions --- payload --- cryostat --- core-collapse supernova --- future detectors --- continuous gravitational waves --- neutron stars --- dark matter --- gravitational-wave astrophysics --- stars --- black holes --- stellar evolution --- binary stars --- stellar dynamics --- laser interferometers --- n/a

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Passive vibration control plays a crucial role in structural engineering. Common solutions include seismic isolation and damping systems with various kinds of devices, such as viscous, viscoelastic, hysteretic, and friction dampers. These strategies have been widely utilized in engineering practice, and their efficacy has been demonstrated in mitigating damage and preventing the collapse of buildings, bridges, and industrial facilities. However, there is a need for more sophisticated analytical and numerical tools to design structures equipped with optimally configured devices. On the other hand, the family of devices and dissipative elements used for structural protection keeps evolving, because of growing performance demands and new progress achieved in materials science and mechanical engineering. This Special Issue collects 13 contributions related to the development and application of passive vibration control strategies for structures, covering both traditional and innovative devices. In particular, the contributions concern experimental and theoretical investigations of high-efficiency dampers and isolation bearings; optimization of conventional and innovative energy dissipation devices; performance-based and probability-based design of damped structures; application of nonlinear dynamics, random vibration theory, and modern control theory to the design of structures with passive energy dissipation systems; and critical discussion of implemented isolation/damping technologies in significant or emblematic engineering projects.

History of engineering & technology --- stay cable --- vibration control --- hybrid control --- inertial mass damper --- viscous damper --- passive vibration control --- inerter system --- cable bracing --- parametric study --- optimal design --- tuned mass damper --- inerter --- high-rise buildings --- wind tunnel test --- wind-induced response --- structural control --- synchronous multi-point pressure measurement --- seismic protection --- displacement-dependent damping --- stochastic dynamic analysis --- metal damper --- performance parameter --- cyclic loading test --- hysteretic behavior --- energy dissipation capability --- multi-degree of freedom --- graphical approach --- suspension bridges --- seismic test --- pushover test --- precast concrete structure --- shake table --- Base-Isolated Buildings --- bearing displacement --- STMD --- MTMDs --- d-MTMDs --- incremental dynamic analysis --- earthquake --- energy dissipation --- “double-step” characteristics --- stiffness lifting --- seismic performance --- horizontal connection --- prefabricated shear wall structural systems --- high-tech factory --- lead rubber bearing --- moving crane --- soil structure interaction --- vibration --- wind load --- motion-based design --- uncertainty conditions --- constrained multi-objective optimization --- reliability analysis --- passive structural control --- cable-stayed bridges --- adjacent buildings --- seismic pounding --- energy-dissipation systems --- distributed damping systems --- optimal placement --- multibuilding systems --- hybrid genetic algorithm --- parallel computing --- pounding protection --- seismic isolation --- energy dissipation devices --- negative stiffness device --- damped structures --- stay cable --- vibration control --- hybrid control --- inertial mass damper --- viscous damper --- passive vibration control --- inerter system --- cable bracing --- parametric study --- optimal design --- tuned mass damper --- inerter --- high-rise buildings --- wind tunnel test --- wind-induced response --- structural control --- synchronous multi-point pressure measurement --- seismic protection --- displacement-dependent damping --- stochastic dynamic analysis --- metal damper --- performance parameter --- cyclic loading test --- hysteretic behavior --- energy dissipation capability --- multi-degree of freedom --- graphical approach --- suspension bridges --- seismic test --- pushover test --- precast concrete structure --- shake table --- Base-Isolated Buildings --- bearing displacement --- STMD --- MTMDs --- d-MTMDs --- incremental dynamic analysis --- earthquake --- energy dissipation --- “double-step” characteristics --- stiffness lifting --- seismic performance --- horizontal connection --- prefabricated shear wall structural systems --- high-tech factory --- lead rubber bearing --- moving crane --- soil structure interaction --- vibration --- wind load --- motion-based design --- uncertainty conditions --- constrained multi-objective optimization --- reliability analysis --- passive structural control --- cable-stayed bridges --- adjacent buildings --- seismic pounding --- energy-dissipation systems --- distributed damping systems --- optimal placement --- multibuilding systems --- hybrid genetic algorithm --- parallel computing --- pounding protection --- seismic isolation --- energy dissipation devices --- negative stiffness device --- damped structures

Choose an application

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

Passive vibration control plays a crucial role in structural engineering. Common solutions include seismic isolation and damping systems with various kinds of devices, such as viscous, viscoelastic, hysteretic, and friction dampers. These strategies have been widely utilized in engineering practice, and their efficacy has been demonstrated in mitigating damage and preventing the collapse of buildings, bridges, and industrial facilities. However, there is a need for more sophisticated analytical and numerical tools to design structures equipped with optimally configured devices. On the other hand, the family of devices and dissipative elements used for structural protection keeps evolving, because of growing performance demands and new progress achieved in materials science and mechanical engineering. This Special Issue collects 13 contributions related to the development and application of passive vibration control strategies for structures, covering both traditional and innovative devices. In particular, the contributions concern experimental and theoretical investigations of high-efficiency dampers and isolation bearings; optimization of conventional and innovative energy dissipation devices; performance-based and probability-based design of damped structures; application of nonlinear dynamics, random vibration theory, and modern control theory to the design of structures with passive energy dissipation systems; and critical discussion of implemented isolation/damping technologies in significant or emblematic engineering projects.

stay cable --- vibration control --- hybrid control --- inertial mass damper --- viscous damper --- passive vibration control --- inerter system --- cable bracing --- parametric study --- optimal design --- tuned mass damper --- inerter --- high-rise buildings --- wind tunnel test --- wind-induced response --- structural control --- synchronous multi-point pressure measurement --- seismic protection --- displacement-dependent damping --- stochastic dynamic analysis --- metal damper --- performance parameter --- cyclic loading test --- hysteretic behavior --- energy dissipation capability --- multi-degree of freedom --- graphical approach --- suspension bridges --- seismic test --- pushover test --- precast concrete structure --- shake table --- Base-Isolated Buildings --- bearing displacement --- STMD --- MTMDs --- d-MTMDs --- incremental dynamic analysis --- earthquake --- energy dissipation --- “double-step” characteristics --- stiffness lifting --- seismic performance --- horizontal connection --- prefabricated shear wall structural systems --- high-tech factory --- lead rubber bearing --- moving crane --- soil structure interaction --- vibration --- wind load --- motion-based design --- uncertainty conditions --- constrained multi-objective optimization --- reliability analysis --- passive structural control --- cable-stayed bridges --- adjacent buildings --- seismic pounding --- energy-dissipation systems --- distributed damping systems --- optimal placement --- multibuilding systems --- hybrid genetic algorithm --- parallel computing --- pounding protection --- seismic isolation --- energy dissipation devices --- negative stiffness device --- damped structures