Results 21 to 30 of about 2,863 (219)

Lateral Ultimate Capacity of Monopile Foundations for Offshore Wind Turbines: Effects of Monopile Geometry and Soil Stiffness Properties

open access: yesApplied Sciences, 2023
Offshore Wind Turbines (OWT) with increasingly higher energy output are being developed to meet energy demands, posing greater challenges for their foundation design. Several foundation types are used to support these turbines, with monopiles (MPs) accounting for 80% of the installed capacity.
Yazeed A. Alsharedah   +3 more
openaire   +4 more sources

Design of Experiment for Integrated Offshore Windturbine Tower and Monopile

open access: yes南方能源建设, 2021
[Introduction] When inviting bids for domestic offshore wind power projects, the owner often puts forward requirements for the foundation top load and tower mass provided by the windturbine manufacture, and rarely put forward requirements for the the ...
ZHOU Yiming, YAN Shu, YAO Zhongyuan
doaj   +1 more source

Experimental Study on the Irregular Wave (Current)-Induced Pore-Water Pressures around a Monopile

open access: yes, 2022
In this study, a series of flume tests was systematically conducted to study the pore-water pressures around a monopile under wave and current loading, as well as the hydrodynamic response.
Chen, L   +6 more
core   +1 more source

Evaluation of Soil–Foundation–Structure Interaction for Large Diameter Monopile Foundation Focusing on Lateral Cyclic Loading

open access: yesJournal of Marine Science and Engineering, 2023
In this study, the monotonic and cyclic behavior of an offshore wind turbine with a monopile foundation installed in a sand layer were evaluated in the centrifuge.
Jae-Hyun Kim   +3 more
doaj   +1 more source

Active vibration control of a monopile offshore structure [PDF]

open access: yesJournal of Structural Control, 1999
AbstractIn the Danish part of the North Sea monopile platforms with a cylindrical shaft have been used at the exploitation of marginal fields. In the paper a new principle for active vibration control of such structures is suggested. The principle is based on a control of the boundary layer flow around the cylinder of the platform, so the drag force in
Nielsen, Søren R. K.   +2 more
openaire   +2 more sources

Numerical Analysis of the Deformation Performance of Monopile under Wave and Current Load

open access: yesEnergies, 2020
The research on the deformation mechanism of monopile foundation supporting offshore wind turbines is significant to optimize the design of a monopile foundation under wave and current load.
Libo Chen   +6 more
doaj   +1 more source

Investigation of the effects of cyclic lateral load characteristics on monopiles in saturated sandy soils using hypoplastic material model

open access: yesWind Energy, 2023
Offshore wind turbines play a critical role as a renewable energy source and are experiencing continuous growth in usage. Both the design and implementation phases of constructing these structures present difficulties.
Sacit Sarımurat
doaj   +1 more source

Scour Reduction by Collars around Offshore Monopiles [PDF]

open access: yesScour and Erosion, 2010
Excessive scour is a threat to the stability of monopile foundations, e.g. in offshore windparks. Particularly in shallow waters with strong tidal currents such as the North Sea, protection against excessive scouring is required. Commonly applied scour protection consists of loose rock. Little is known about alternative scour protection measures.
De Sonneville, B.   +2 more
openaire   +2 more sources

Tsunami-induced scour around monopile foundations [PDF]

open access: yesCoastal Engineering, 2017
Abstract A fully-coupled (hydrodynamic and morphologic) numerical model is presented, and utilized for the simulation of tsunami-induced scour around a monopile structure, representative of those commonly utilized as offshore wind turbine foundations at moderate depths i.e. for depths less than 30 m.
Bjarke Eltard Larsen   +3 more
openaire   +3 more sources

The Geotechnical Design Reliability of Offshore Wind Monopiles [PDF]

open access: yesLithosphere
Offshore wind energy is expected to become one of the major clean energy sources to combat climate change. Monopile foundations play a central role in shallow water offshore wind development.
Chengliang Ji   +4 more
doaj   +1 more source

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