000021373 001__ 21373
000021373 005__ 20170522124351.0
000021373 04107 $$aeng
000021373 046__ $$k2017-05-15
000021373 100__ $$aMauro, F.
000021373 24500 $$aDETERMINATION OF NON-LINEAR ROLL DAMPING COEFFICIENTS FROM MODEL DECAYTEST

000021373 24630 $$n23.$$pEngineering Mechanics 2017
000021373 260__ $$bBrno University of Technology, Institute of Solid Mechanics, Mechatronics and Biomechanics, Brno
000021373 506__ $$arestricted
000021373 520__ $$2eng$$aA conventional method to estimate the damping of an oscillatory system is the execution of amplitude extinction tests. In the specific case of the roll motion of a vessel, the so-called roll decay tests are performed in a model basin. During these tests, the system is posed in an imbalance condition by an external moment. For systems where the damping is far below critical value, the transient decay to equilibrium condition is oscillatory. There are several methodologies to analyze the decay test time-series, all based on the assumption that a pure roll motion has been reproduced. Through this paper an overview of the most commonly used methods is given and a comparison of the results is shown for a single ship model decay test.

000021373 540__ $$aText je chráněný podle autorského zákona č. 121/2000 Sb.
000021373 653__ $$aRoll motion, Damping coefficient, Decay test.

000021373 7112_ $$aEngineering Mechanics 2017$$cSvratka, CZ$$d2017-05-15 / 2017-05-18$$gEM2017
000021373 720__ $$aMauro, F.$$iNabergoj, R.
000021373 8560_ $$ffischerc@itam.cas.cz
000021373 8564_ $$s862185$$uhttps://invenio.itam.cas.cz/record/21373/files/0634.pdf$$yOriginal version of the author's contribution in proceedings, page 634, section DYN.
000021373 962__ $$r21225
000021373 980__ $$aPAPER