Response analysis of a truss spar in the frequency domain

Sadeghi, Keyvan and Incecik, Atilla and Downie, Martin J. (2004) Response analysis of a truss spar in the frequency domain. Journal of Marine Science and Technology, 8 (3). pp. 126-137. ISSN 0948-4280 (http://dx.doi.org/10.1007/s00773-003-0157-3)

Abstract

The nonzero added-mass coefficients of a platform are found by using the transformation law for a second-order tensor, and the repeated application of the parallel-axes theorem. The excitation forces acting on the truss section of the platform are derived by an approach that differs from the conventional one commonly seen in the literature. The force decomposition of the Morison equation is used to add viscous effects to linear equations of motion. The nonlinear equation of motion for the heave of the truss spar is solved without any iteration in the frequency domain. The results obtained from this analysis are compared with results obtained from the conventional numerical approach and with experimental data.

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• Item metadata

  Item type:	Article
  ID code:	4963
  Dates:	Date Event January 2004 Published
  Subjects:	Naval Science > Naval architecture. Shipbuilding. Marine engineering
  Department:	Faculty of Engineering > Naval Architecture, Ocean & Marine Engineering
  Depositing user:	Strathprints Administrator
  Date deposited:	01 Dec 2007
  Last modified:	11 Nov 2024 08:42
  URI:	https://strathprints.strath.ac.uk/id/eprint/4963