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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

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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.

Item type: Article
ID code: 4963
Keywords: response analysis, tensor properties, viscous radiation-diffraction model, marine engineering, Naval architecture. Shipbuilding. Marine engineering
Subjects: Naval Science > Naval architecture. Shipbuilding. Marine engineering
Department: Faculty of Engineering > Naval Architecture and Marine Engineering
Related URLs:
    Depositing user: Strathprints Administrator
    Date Deposited: 01 Dec 2007
    Last modified: 12 Mar 2012 10:41
    URI: http://strathprints.strath.ac.uk/id/eprint/4963

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