The motions and internal forces of a moored semi-submersible in regular waves

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DOIResolve DOI: http://doi.org/10.1016/S0029-8018(96)00015-7
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TypeArticle
Journal titleOcean Engineering
Volume24
Issue7
Pages593603; # of pages: 11
AbstractThe motion of a moored semi-submersible in regular waves and the wave-induced internal forces in the semi-submersible have been studied both numerically and experimentally. In the numerical formulation, the semi-submersible is modelled as an externally constrained floating body, which is regarded as being composed of several rigidly connected parts. The linearized equations of motion of each part were obtained in a common reference system fixed on the body. A consistent formulation of the wave-induced internal forces between two parts as well as the external constraining forces is presented. Model tests were carried out using a 1:36 scale model of the semi-submersible, Glomar Arctic III. Very good agreement was achieved between the numerical and model-test results in the practical wave-frequency range.
Publication date
AffiliationNRC Institute for Ocean Technology; National Research Council Canada
Peer reviewedYes
IdentifierIR-1997-28
NRC number6204
NPARC number8895892
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Record identifier27dcf502-67a1-41fc-87a2-3f9c19a58ced
Record created2009-04-22
Record modified2016-05-09
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