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RISDynasim—A Time Domain Simulator of Anchored FPSO
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The prediction of the dynamic behavior of moored tankers like FPSO system is very important to the mooring systems design. There are several types of mooring systems, such as Turret, Spread ...
Mitigation of Vortex-Induced Motion (VIM) on a Monocolumn Platform: Forces and Movements
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A great deal of works has been developed on the spar vortex-induced motion (VIM) issue. There are, however, very few published works concerning VIM of monocolumn platforms, partly due to the ...
Conceptual Design of Monocolumn Production and Storage With Dry Tree Capability
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A new concept and a preliminary study for a monocolumn floating unit are introduced, aimed at exploring and producing oil in ultradeep waters. This platform, which combines two relevant ...
Analysis Methodology for Vortex-Induced Motion (VIM) of a Monocolumn Platform Applying the Hilbert–Huang Transform Method
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Vortex-induced motion (VIM) is a highly nonlinear dynamic phenomenon. Usual spectral analysis methods, using the Fourier transform, rely on the hypotheses of linear and stationary dynamics. A ...
Comparative Assessment of Hydrodynamic Models in Slow-Motion Mooring Dynamics
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The slow-motion dynamics of a turret mooring system is analyzed and compared for four of the most commonly used ship hydrodynamic maneuvering models. Each of those utilizes a different approach ...
Dynamics of Spread Mooring Systems With Hybrid Mooring Lines
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The weight of a chain mooring line in deep water is the main source of mooring line tension. Chain weight also induces a vertical force on the moored vessel. To achieve the desired tension ...
Experimental Investigation of the Hydrodynamic Coefficients of a Remotely Operated Vehicle Using a Planar Motion Mechanism
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The determination of hydrodynamic coefficients of full scale underwater vehicles using system identification (SI) is an extremely powerful technique. The procedure is based on experimental runs ...
Experimental Comparative Study on Vortex-Induced Motion (VIM) of a Monocolumn Platform
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: An analysis methodology is presented as well as a comparison of results obtained from vortex-induced motion (VIM) model tests of the MonoGoM platform, a monocolumn floating unit designed for ...
An Overview of Relevant Aspects on VIM of Spar and Monocolumn Platforms
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Vortex-induced motions (VIM) of floating structures are very relevant for the design of mooring and riser systems. In the design phase, spar and monocolumn VIM behavior, as well as semisubmersible ...
Sensitivity and Robustness of Hydrodynamic Mooring Models
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Various hydrodynamic maneuvering models are available for modeling the slow motion horizontal plane dynamics of mooring and towing systems. In previous work, we compared four representative and ...