Truss spar platform motions for combined wave, current and wind forces

Kurian, V.J. and Montasir, O.A. and Liew, M.S. (2012) Truss spar platform motions for combined wave, current and wind forces. In: UNSPECIFIED.

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Abstract

Truss spar platform is the second development concept that replaces the cylindrical lower section of a classic spar with an open truss structure that includes heave plates. In this paper, the dynamic responses of the Marlin truss spar in regular waves, current and wind are presented. A MATLAB code named TRSPAR was developed for the dynamic analysis of the structure. The structure was modeled as a rigid body with three degrees of freedom. The hyperbolic extrapolation and the extended Morison equation for an inclined cylinder were used for simulating the sea state and for determining the dynamic force vector. Time domain integration using Newmark Beta method was employed. The simulated results show insignificant effect of current and wind on the responses. However, these forces cause significant increase in the surge mean offset. © 2012 IEEE.

Item Type: Conference or Workshop Item (UNSPECIFIED)
Additional Information: cited By 1; Conference of 2012 IEEE Business, Engineering and IndustrialApplications Colloquium, BEIAC 2012 ; Conference Date: 7 April 2012 Through 8 April 2012; Conference Code:91285
Uncontrolled Keywords: Beta method; Dynamic forces; Hydrodynamic response; Matlab code; Morison equation; Platform motion; Regular waves; Rigid body; Sea state; Second development; Simulated results; Three degrees of freedom; Time domain; Time-domain integrations; Truss spars; Truss structure; Wind forces, Dynamic analysis; Dynamic response; Industrial applications; Ocean currents; Rigid structures; Spar platforms; Trusses, Time domain analysis
Depositing User: Mr Ahmad Suhairi UTP
Date Deposited: 09 Nov 2023 15:51
Last Modified: 09 Nov 2023 15:51
URI: https://khub.utp.edu.my/scholars/id/eprint/2931

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