Results 171 to 180 of about 34,126 (217)
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Volume 1: Offshore Technology, 2018
Dynamic characteristics of mooring lines play an important role in overall structural response and fatigue design of mooring systems. Full dynamic analysis including line dynamics is a vital part of fatigue design process although in time domain it needs excessive computational efforts.
Hamid Sedghi, Mehrdad Kimiaei
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Dynamic characteristics of mooring lines play an important role in overall structural response and fatigue design of mooring systems. Full dynamic analysis including line dynamics is a vital part of fatigue design process although in time domain it needs excessive computational efforts.
Hamid Sedghi, Mehrdad Kimiaei
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2018 9th International Conference on Mechanical and Aerospace Engineering (ICMAE), 2018
In this study, dynamic analysis is conducted on a Floating Mooring Line-Driven Platform (FMDP) subjected to sea wave forces. The effect of changing mooring lines pattern is investigated to enhance the dynamic behavior of the FMDP. The analysis is demonstrated with six mooring lines FMDP.
Mamon M. Horoub +3 more
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In this study, dynamic analysis is conducted on a Floating Mooring Line-Driven Platform (FMDP) subjected to sea wave forces. The effect of changing mooring lines pattern is investigated to enhance the dynamic behavior of the FMDP. The analysis is demonstrated with six mooring lines FMDP.
Mamon M. Horoub +3 more
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A Study on Position Mooring System Design for the Vessel Moored by Mooring Lines
IEEE/ASME Transactions on Mechatronics, 2015This paper presents the experimental results about position mooring (PM) system applied to the barge ship. The aim of the PM is to maintain the position and motion of the ship's surge and sway directions as desired. In this paper, a system consisting of a barge vessel and mooring lines is mathematically modeled.
Sang-Won Ji +2 more
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An improved method of mooring damping estimation considering mooring line segments contribution
Ocean Engineering, 2021Abstract The accurate estimation of mooring line damping is significant for the mooring system design and the global motion responses analysis. Aiming at the existing method of mooring damping estimation can only calculate the total damping contribution of mooring line, an improved method is proposed to accurate estimate the mooring line segments ...
Jun Yan +6 more
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Multirate Timestepping For Mooring Line Dynamics
OTC Brasil, 2017Abstract Direct time integration is a widely-used method for the analysis of loads and motions of mooring and floating systems. Nonlinear and transient effects can be easily accounted for in time domain analyses but it is a computationally expensive method, especially for explicit solvers which are limited by the timestep size to meet ...
Chee Meng Low +3 more
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CFRP Mooring Lines For Modu Applications
Offshore Technology Conference, 2005Abstract Precise station keeping is a requirement of mobile offshore drilling units (MODUs) and production vessels operating in ultra-deepwater. DeepSea Engineering and Management in co-operation with Petrobras is undertaking a concept, feasibility development study and scale prototype testing of pultruded Carbon ...
D. Jackson +4 more
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Emerging technology: DPX jacketed mooring lines
Proceedings of OCEANS 2005 MTS/IEEE, 2005The use of high modulus polyethylene (HMPE) fiber is gaining popularity in the cordage industry due to such excellent properties as high strength, low weight, fatigue resistance, and UV resistance. However, the low coefficient of friction (COF) of HMPE fiber presents a challenge when used on winches, capstans, H-bitts and other types of hardware that ...
J. Miller +3 more
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The Dynamic Behavior Of Mooring Lines
Offshore Technology Conference, 1977ABSTRACT In this paper the results are presented of ＿a model study into the behaviour of anchor lines as used in the offshore mooring of a wide variety of floating structures. For this study model tests have been carried out with a buoy moored to four chains. The effect of model scale, pre-tension in the lines, wave
M.F. van Sluijs, J.J. Blok
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Practical Estimation of Mooring Line Damping
Offshore Technology Conference, 1988ABSTRACT When predicting the resonant surge and sway motions of moored structures, it has until recently been customary to neglect the contribution from mooring line drag upon the system damping. In 1986 there was the first publication (OTC paper 5204) presenting a theoretical discussion of the effect, together with
E. Huse, K. Matsumoto
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Experimental Study of Polyester Mooring Lines
The Journal of Ocean, Mechanical and Aerospace -science and engineering- (JOMAse), 2017Mooring lines have several types of material which is chain, wire, synthetic fiber rope and hybrid. Mostly, in oil and gas industry is use chain and wire rope as a mooring line for shallow water platform. When exploitation of oil and gas become deep, synthetic fiber is use as an alternative for mooring line.
Nur Aireen bt. Amran +2 more
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