NDLI: Numerical Simulation of a Spar Interacting With a Polyester Mooring System

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Kim, Minsuk Ding, Yu Zhang, Jun
Copyright Year	2004
Abstract	A numerical scheme, known as CABLE3D, originally developed for the simulation of dynamics of steel mooring lines is extended to allow for special properties pertaining to polyester ropes, such as relatively large elongation under tension, dependence of the modulus on loads, and energy dissipation under cyclic loads. The modified CABLE3D is then integrated into a numerical package, known as COUPLE6D, for computing the interaction between a floating structure and its polyester mooring system. A classical SPAR is chosen in this study as a representative of deepwater floating structures. By considering large elongation in polyester ropes, the static offset curve of a polyester mooring system is softer than that calculated under the assumption of small elongation. The effects of the mean loads on the modulus of polyester ropes are much greater than those of the dynamic loads. The energy dissipation in polyester ropes under cyclic loading does not play a significant role in the responses of the SPAR and tensions in a polyester mooring system. The above observations though made based on a classical SPAR may still have important implications to other floating structures moored by a polyester mooring system.
Sponsorship	Ocean, Offshore, and Arctic Engineering Division
Starting Page	439
Ending Page	446
Page Count	8
File Format	PDF
ISBN	0791837432
DOI	10.1115/OMAE2004-51222
e-ISBN	0791837386
Volume Number	23rd International Conference on Offshore Mechanics and Arctic Engineering, Volume 1, Parts A and B
Conference Proceedings	ASME 2004 23rd International Conference on Offshore Mechanics and Arctic Engineering
Language	English
Publisher Date	2004-06-20
Publisher Place	Vancouver, British Columbia, Canada
Access Restriction	Subscribed
Subject Keyword	Young’s modulus Spar Coupled dynamic analysis Polyester ropes Polyester mooring line Polyester fabrics Computer simulation Mooring Ropes Spar platforms Wing spars
Content Type	Text
Resource Type	Article

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