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The Special Issue “Assessment and Nonlinear Modeling of Wave, Tidal, and Wind Energy Converters and Turbines” contributes original research to stimulate the continuing progress of the offshore renewable energy (ORE) field, with a focus on state-of-the-art numerical approaches developed for the design and analysis of ORE devices. Particularly, this collection provides new methodologies, analytical/numerical tools, and theoretical methods that deal with engineering problems in the ORE field of wave, wind, and current structures. This Special Issue covers a wide range of multidisciplinary aspects, such as the 1) study of generalized interaction wake model systems with elm variation for offshore wind farms; 2) a flower pollination method based on global maximum power point tracking strategy for point-absorbing type wave energy converters; 3) performance optimization of a Kirsten–Boeing turbine using a metamodel based on neural networks coupled with CFD; 4) proposal of a novel semi-submersible floating wind turbine platform composed of inclined columns and multi-segmented mooring lines; 5) reduction of tower fatigue through blade back twist and active pitch-to-stall control strategy for a semi-submersible floating offshore wind turbine; 6) assessment of primary energy conversion of a closed-circuit OWC wave energy converter; 7) development and validation of a wave-to-wire model for two types of OWC wave energy converters; 8) assessment of a hydrokinetic energy converter based on vortex-induced angular oscillations of a cylinder; 9) application of wave-turbulence decomposition methods on a tidal energy site assessment; 10) parametric study for an oscillating water column wave energy conversion system installed on a breakwater; 11) optimal dimensions of a semisubmersible floating platform for a 10 MW wind turbine; 12) fatigue life assessment for power cables floating in offshore wind turbines.
History of engineering & technology --- off-shore wind farms (OSWFs) --- wake model --- wind turbine (WT) --- Extreme Learning Machine (ELM) --- wind power (WP) --- large-eddy simulation (LES) --- point-absorbing --- wave energy converter (WEC) --- maximum power point tracking (MPPT) --- flower pollination algorithm (FPA) --- power take-off (PTO) --- hill-climbing method --- Kirsten–Boeing --- vertical axis turbine --- optimization --- neural nets --- Tensorflow --- ANSYS CFX --- metamodeling --- FOWT --- multi-segmented mooring line --- inclined columns --- semi-submersible --- AFWT --- floating offshore wind turbine (FOWT) --- pitch-to-stall --- blade back twist --- tower fore–aft moments --- negative damping --- blade flapwise moment --- tower axial fatigue life --- wave energy --- oscillating water column --- tank testing --- valves --- air compressibility --- air turbine --- wave-to-wire model --- energy harnessing --- energy converter --- flow-induced oscillations --- vortex-induced vibration --- flow–structure interaction --- hydrodynamics --- vortex shedding --- cylinder wake --- tidal energy --- site assessment --- wave-current interaction --- turbulence --- integral length scales --- wave-turbulence decomposition --- OWC --- wave power converting system --- parametric study --- caisson breakwater application --- floating offshore wind turbines --- frequency domain model --- semisubmersible platform --- 10 MW wind turbines --- large floating platform --- platform optimization --- wind energy --- floating offshore wind turbine --- dynamic analysis --- fatigue life assessment --- flexible power cables --- Daguragu / Kalkaringi / Wave Hill (Central NT SE52-08)
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The Special Issue “Assessment and Nonlinear Modeling of Wave, Tidal, and Wind Energy Converters and Turbines” contributes original research to stimulate the continuing progress of the offshore renewable energy (ORE) field, with a focus on state-of-the-art numerical approaches developed for the design and analysis of ORE devices. Particularly, this collection provides new methodologies, analytical/numerical tools, and theoretical methods that deal with engineering problems in the ORE field of wave, wind, and current structures. This Special Issue covers a wide range of multidisciplinary aspects, such as the 1) study of generalized interaction wake model systems with elm variation for offshore wind farms; 2) a flower pollination method based on global maximum power point tracking strategy for point-absorbing type wave energy converters; 3) performance optimization of a Kirsten–Boeing turbine using a metamodel based on neural networks coupled with CFD; 4) proposal of a novel semi-submersible floating wind turbine platform composed of inclined columns and multi-segmented mooring lines; 5) reduction of tower fatigue through blade back twist and active pitch-to-stall control strategy for a semi-submersible floating offshore wind turbine; 6) assessment of primary energy conversion of a closed-circuit OWC wave energy converter; 7) development and validation of a wave-to-wire model for two types of OWC wave energy converters; 8) assessment of a hydrokinetic energy converter based on vortex-induced angular oscillations of a cylinder; 9) application of wave-turbulence decomposition methods on a tidal energy site assessment; 10) parametric study for an oscillating water column wave energy conversion system installed on a breakwater; 11) optimal dimensions of a semisubmersible floating platform for a 10 MW wind turbine; 12) fatigue life assessment for power cables floating in offshore wind turbines.
off-shore wind farms (OSWFs) --- wake model --- wind turbine (WT) --- Extreme Learning Machine (ELM) --- wind power (WP) --- large-eddy simulation (LES) --- point-absorbing --- wave energy converter (WEC) --- maximum power point tracking (MPPT) --- flower pollination algorithm (FPA) --- power take-off (PTO) --- hill-climbing method --- Kirsten–Boeing --- vertical axis turbine --- optimization --- neural nets --- Tensorflow --- ANSYS CFX --- metamodeling --- FOWT --- multi-segmented mooring line --- inclined columns --- semi-submersible --- AFWT --- floating offshore wind turbine (FOWT) --- pitch-to-stall --- blade back twist --- tower fore–aft moments --- negative damping --- blade flapwise moment --- tower axial fatigue life --- wave energy --- oscillating water column --- tank testing --- valves --- air compressibility --- air turbine --- wave-to-wire model --- energy harnessing --- energy converter --- flow-induced oscillations --- vortex-induced vibration --- flow–structure interaction --- hydrodynamics --- vortex shedding --- cylinder wake --- tidal energy --- site assessment --- wave-current interaction --- turbulence --- integral length scales --- wave-turbulence decomposition --- OWC --- wave power converting system --- parametric study --- caisson breakwater application --- floating offshore wind turbines --- frequency domain model --- semisubmersible platform --- 10 MW wind turbines --- large floating platform --- platform optimization --- wind energy --- floating offshore wind turbine --- dynamic analysis --- fatigue life assessment --- flexible power cables --- Daguragu / Kalkaringi / Wave Hill (Central NT SE52-08)
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The Special Issue “Assessment and Nonlinear Modeling of Wave, Tidal, and Wind Energy Converters and Turbines” contributes original research to stimulate the continuing progress of the offshore renewable energy (ORE) field, with a focus on state-of-the-art numerical approaches developed for the design and analysis of ORE devices. Particularly, this collection provides new methodologies, analytical/numerical tools, and theoretical methods that deal with engineering problems in the ORE field of wave, wind, and current structures. This Special Issue covers a wide range of multidisciplinary aspects, such as the 1) study of generalized interaction wake model systems with elm variation for offshore wind farms; 2) a flower pollination method based on global maximum power point tracking strategy for point-absorbing type wave energy converters; 3) performance optimization of a Kirsten–Boeing turbine using a metamodel based on neural networks coupled with CFD; 4) proposal of a novel semi-submersible floating wind turbine platform composed of inclined columns and multi-segmented mooring lines; 5) reduction of tower fatigue through blade back twist and active pitch-to-stall control strategy for a semi-submersible floating offshore wind turbine; 6) assessment of primary energy conversion of a closed-circuit OWC wave energy converter; 7) development and validation of a wave-to-wire model for two types of OWC wave energy converters; 8) assessment of a hydrokinetic energy converter based on vortex-induced angular oscillations of a cylinder; 9) application of wave-turbulence decomposition methods on a tidal energy site assessment; 10) parametric study for an oscillating water column wave energy conversion system installed on a breakwater; 11) optimal dimensions of a semisubmersible floating platform for a 10 MW wind turbine; 12) fatigue life assessment for power cables floating in offshore wind turbines.
History of engineering & technology --- off-shore wind farms (OSWFs) --- wake model --- wind turbine (WT) --- Extreme Learning Machine (ELM) --- wind power (WP) --- large-eddy simulation (LES) --- point-absorbing --- wave energy converter (WEC) --- maximum power point tracking (MPPT) --- flower pollination algorithm (FPA) --- power take-off (PTO) --- hill-climbing method --- Kirsten–Boeing --- vertical axis turbine --- optimization --- neural nets --- Tensorflow --- ANSYS CFX --- metamodeling --- FOWT --- multi-segmented mooring line --- inclined columns --- semi-submersible --- AFWT --- floating offshore wind turbine (FOWT) --- pitch-to-stall --- blade back twist --- tower fore–aft moments --- negative damping --- blade flapwise moment --- tower axial fatigue life --- wave energy --- oscillating water column --- tank testing --- valves --- air compressibility --- air turbine --- wave-to-wire model --- energy harnessing --- energy converter --- flow-induced oscillations --- vortex-induced vibration --- flow–structure interaction --- hydrodynamics --- vortex shedding --- cylinder wake --- tidal energy --- site assessment --- wave-current interaction --- turbulence --- integral length scales --- wave-turbulence decomposition --- OWC --- wave power converting system --- parametric study --- caisson breakwater application --- floating offshore wind turbines --- frequency domain model --- semisubmersible platform --- 10 MW wind turbines --- large floating platform --- platform optimization --- wind energy --- floating offshore wind turbine --- dynamic analysis --- fatigue life assessment --- flexible power cables --- Daguragu / Kalkaringi / Wave Hill (Central NT SE52-08)
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The coastal zone is the host to many human activities, which have significantly increased in the last decades. However, sea level rise and more frequent storm events severely affect beaches and coastal structures, with negative consequences and dramatic impacts on coastal communities. These aspects add to typical coastal problems, like flooding and beach erosion, which already leading to large economic losses and human fatalities. Modeling is thus fundamental for an exhaustive understanding of the nearshore region in the present and future environment. Innovative tools and technologies may help to better understand coastal processes in terms of hydrodynamics, sediment transport, bed morphology, and their interaction with coastal structures. This book collects several contributions focusing on nearshore dynamics, and span among several time and spatial scales using both physical and numerical approaches. The aim is to describe the most recent advances in coastal dynamics.
bending failure --- wind energy --- switching overvoltage --- marine energy --- floating offshore wind turbine (FOWT) --- hydrogen storage --- different loading directions --- armour --- vacuum circuit breaker --- HVAC --- CAES --- electrical connection --- reignition characteristics --- combined static and dynamic loads --- gravity-based structures --- ocean energy --- onshore-offshore wind power plant --- ERA5 --- development --- foundations --- weight --- jacket --- monopile --- monitoring --- frequency response functions --- renewable energies --- HVDC --- offshore wind farm --- size --- support structure --- free vortex wake --- P2X --- operation and maintenance --- horizontal vibration --- scour phenomenon --- load mitigation --- model testing --- support structures --- GBF --- safety factor --- design response spectrum --- nominal diameter --- wave --- aiRthermo --- broken mooring line --- tripod --- tension leg platforms --- mooring system --- wind power density --- physical models --- wind resource --- floating --- design and construction --- GBS --- ocean thermal --- air density --- loads and response --- coupled dynamic response --- tidal --- offshore wind energy --- offshore wind turbine --- optimal selection factors --- Lebanon --- trailing-edge flap --- ice force --- offshore wind --- wind turbine generators --- numerical models --- crushing failure --- marine currents
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