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Lookup NU author(s): Professor Longbin Tao
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The non-linear viscous damping forces on a Tension Leg Platform (TLP) column experiencing “springing vibration” are calculated by directly solving the Navier–Stokes equations. Different characteristics of heave damping have been found in two different regimes in the ranges of Keulegan–Carpenter number KC from 0.001 to 1.0 and frequency parameter β from 89236 to 435298. At very low KC, the heave damping force tends to be approximately linear with the velocity, whereas a definite non-linear dependence on the velocity has been found as KC increases. From the present numerical estimation, it is concluded that a uniform scaling law cannot be applied, and the scaling laws for the heave damping estimation of a TLP column in two different regimes have been presented.
Author(s): Tao L
Publication type: Article
Publication status: Published
Journal: Shipbuilding of China
Year: 2006
Volume: 47
Issue: 2
Pages: 17-23
Print publication date: 01/01/2006
ISSN (print): 1000-4882
URL: http://open.oriprobe.com/articles/10270265/Viscous_Damping_of_Deepwater_TLP_and_Spar.htm
