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Title of Journal: J Marine Sci Appl

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Abbravation: Journal of Marine Science and Application

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Publisher

Harbin Engineering University

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DOI

10.1006/fmic.1997.0118

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ISSN

1993-5048

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A nonlinear restoring effect study of mooring syst

Authors: Jian Zhang Huilong Ren Lijie Zhang
Publish Date: 2012/03/14
Volume: 11, Issue: 1, Pages: 74-82
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Abstract

Mooring system plays an important role in station keeping of floating offshore structures Coupled analysis on mooringbuoy interactions has been increasingly studied in recent years At present chains and wire ropes are widely used in offshore engineering practice On the basis of mooring line statics an explicit formulation of single mooring chain/wire rope stiffness coefficients and mooring stiffness matrix of the mooring system were derived in this article taking into account the horizontal restoring force vertical restoring force and their coupling terms The nonlinearity of mooring stiffness was analyzed and the influences of various parameters such as material displacement pretension and water depth were investigated Finally some application cases of the mooring stiffness in hydrodynamic calculation were presented Data shows that this kind of stiffness can reckon in linear and nonlinear forces of mooring system Also the stiffness can be used in hydrodynamic analysis to get the eigenfrequency of slow drift motions

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  2. Application of H ∞ control in rudder/flap vector robust control of a ship’s course
  3. Simulation of cavitating flow around a 2-D hydrofoil
  4. Development of study on the dynamic characteristics of deep water mooring system
  5. Numerical investigations on the aerodynamic performance of wind turbine: Downwind versus upwind configuration
  6. Study on the general layout of semi-submersible offshore drilling platforms based on process flow
  7. AUV modeling and motion control strategy design
  8. Grid convergence study in the resistance calculation of a trimaran
  9. Fault detection and diagnosis of a gearbox in marine propulsion systems using bispectrum analysis and artificial neural networks
  10. Model predictive controller design for the dynamic positioning system of a semi-submersible platform
  11. Risk management modeling and its application in maritime safety
  12. Numerical investigation on two-dimensional boundary layer flow with transition
  13. Parametric study on the effects of pile inclination angle on the response of batter piles in offshore jacket platforms
  14. Parametric study on the effects of pile inclination angle on the response of batter piles in offshore jacket platforms
  15. Ultimate strength assessment of a tanker hull based on experimentally developed master curves
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