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Ship model calibration: determination of a ship model’s moment of inertia
Delefortrie, G.; Geerts, S.; Peeters, P.; Mostaert, F. (2017). Ship model calibration: determination of a ship model’s moment of inertia. Version 2.0. FHR reports, 00_006_7. Flanders Hydraulics Research: Antwerp. VIII, 24 pp.
Part of: FHR reports. Flanders Hydraulics Research: Antwerp, more

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Document type: Project report

Keywords
    Inertia
    Pendulums
    Properties > Physical properties > Mass
    Vehicles > Surface craft > Ships

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Abstract
    This report describes the determination of the inertia tensor of a ballasted ship model in the towing tank. The theoretical background is based on the principle of a physical pendulum: the oscillation period is proportional with the moment of inertia about the oscillation axis. The governing formulae are determined, including the uncertainty on each term. The practical application is tested with a generic profile. A working example is provided for the benchmark container ship KCS.

    This report is basically a translation of (Delefortrie et al., 2012), updated with a blind benchmark test and applied to a known ship model.


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