... ABSTRACT The active vibration control of a cylindrical shell coupled with complex inner foundations is theoretically investigated using a hybrid analytical-numerical approach. The motion and solution of the shell are described by Flugge theory and wave based method, respectively. Inner...

... the feasibility of the proposal, as part of the design, a report gave the structure analysis of the thruster and thruster room as per owner and class requirements to check thruster foundation strength in service (transit conditions) and structural stiffness for the thruster foundation. STRUCTURE DESIGN...

... sustainable development turbine fowt social responsibility subsea system sustainability wind energy simulation offshore wind turbine wind turbine platform module coefficient wave force jonkman foundation semi-submersible fowt european wind energy association displacement...

... sustainability sustainable development platform foundation social responsibility subsea system wave height wind turbine platform floating production system fpso pitch angle wind turbine foundation floating production storage and offloading stability model test wind turbine...

... social responsibility subsea system wave load wind turbine case 1 floater platform design wind energy surge motion wind load case 2 offshore wind turbine foundation lc1 simulation sustainability fowt sustainable development oo-star floater pitch motion dynamic response heave...

... ABSTRACT The steel pile foundation of an offshore jacket structure was cut under water, an underwater adjustable leveling cutting tool is designed to match the abrasive water jet cutting process for high-level cutting operations. It solves the levelness requirements of the steel pile...

... ABSTRACT Underwater wellheads are the basis for deepwater oil and gas field development and carry the weight of various pipe strings and tools in the well. The suction pile wellhead designed by combining a cylindrical foundation with the underwater wellhead can greatly improve the bearing...

... ABSTRACT Appropriate estimating bearing capacity of bucket foundations embedded in two-layered soil is a significant subject in geotechnical engineering. The effects of embedment on the ultimate bearing capacity of wide-shallow bucket foundations (WSBFs) in two-layered clay were analysed...

... ABSTRACT Suction bucket jacket foundations are novel foundation solutions for bottom-fixed offshore wind farms and are gaining popularity in China. However, in many Chinese offshore wind farm sites, layered clay and sand ground conditions are frequently encountered which pose installation...

... sustainability wind energy sbdt social responsibility stress-strain curve sturm foundation geometry suction caisson caisson foundation contour diagram resistance strength serviceability dimension sustainable development stiffness proceedings foundation design design tool...

... caisson excavation depth flow rate caisson foundation local scour depth upstream oil & gas water depth scour pit open caisson maximum scour depth scour depth topography water flow foundation pit scour topography flow velocity sediment foundation caisson shape streamline...

..., the overall stiffness of the structure and the frequency of the main mode shape gradually decrease, but the change is small; the scour of pile foundation has the greatest impact on the force of the pile foundation, and has a greater impact on the internal force of the bottom of pylon; The pile foundation...

... ABSTRACT Taking the Huangmaohai bridge as background, the open source platform was used to establish the models for calculating the wave forces on the pile group foundation. The research results show that the wave period, water depth and forward flow all have a significant influence on wave...

... protection structure mudmat foundation upstream oil & gas foundation protection frame subsea hot-tap protection frame resistance hot-tap protection structure calculation subsea system installation trench api rp 2a-wsd requirement operation dimension new pipeline Proceedings...

... ABSTRACT In this paper, a backstepping-based method is presented for calculating the penetration resistance of offshore suction bucket foundations in complex stratified geological environments. Penetration coefficients are calculated for different soil strata using a binary linear regression...

... sustainable development sustainability wind energy artificial intelligence machine learning monopile bp neural network model owt wind load static bearing performance wind speed social responsibility neural network model bearing performance wave height monopile foundation rotation...

..., the soil response induced by the action of breaking waves around a monopile is discussed, and then the potential of instantaneous seabed liquefaction near the pile foundation is further evaluated. Numerical examples demonstrate the free surface water elevation and the distribution of seabed liquefaction...

... wind energy regular monopile aspect ratio platform design winged monopile lateral response upstream oil & gas subsea system scour hole lateral load pile rotation wing efficiency foundation engineering limit state monopile lateral bearing capacity rotation local scour three...

... influencing fitting parameters was also investigated. INTRODUCTION It is usual to consider a shallow foundation as having an embedment depth to foundation diameter ratio less than one. Shallow foundations are widely used in offshore engineering due to their reliable capacity, installation convenience...

... bearing capacity loading loading mode uniaxial loading envelope displacement ultimate bearing capacity offshore wind turbine foundation bucket foundation ult loading condition shallow bucket foundation wind energy tripod bucket foundation deep tripod-bucket foundation load space...