On the motions and internal forces of a constrained floating body in linear waves

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TypeTechnical Report
Series titleInstitute Report
Subjectlinearized motions of a constrained floating body; wave induced internal forces
AbstractThe rigid body motions of floating offshore structures can be modelled as externally constrained floating bodies. This report centres on the calculation of the induced internal forces in these structures in regular waves as well as their motions. A floating body is assumed to consist of two parts rigidly connected to each other. By assuming small amplitude body motions, detailed derivations are presented of the body motions, external and internal forces. Results from application of the formulations to the case of a semi-submersible platform are presented and compared with those from experiments. The formulation provides a useful tool for full-scale computations and model test design of several types of floating offshore platforms.
Publication date
PublisherNational Research Council Canada. Institute for Marine Dynamics
PlaceSt. John's, NL
AffiliationNRC Institute for Ocean Technology; National Research Council Canada
Peer reviewedNo
NRC number5855
NPARC number8896204
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Record identifierae4f564d-a78c-4f65-8f3a-5a5c89e1a6b4
Record created2009-04-22
Record modified2016-10-03
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