The coupling between roll and pitch motions has been studied starting from experimental results obtained from a scale model of a frigate in a severe beam sea. The application of a parameter identification technique allowed to discuss the suitability of several mathematical models to simulate the phenomenon. It appears that a single non-linear coupling coefficient is sufficient to have a satisfactory description of the effect of roll motion on pitch, while one term helps to fit the roll motion close to the roll peak.
On the Coupling Between Roll and Pitch Motions in Beam Waves
FRANCESCUTTO, ALBERTO;CONTENTO, GIORGIO
1998-01-01
Abstract
The coupling between roll and pitch motions has been studied starting from experimental results obtained from a scale model of a frigate in a severe beam sea. The application of a parameter identification technique allowed to discuss the suitability of several mathematical models to simulate the phenomenon. It appears that a single non-linear coupling coefficient is sufficient to have a satisfactory description of the effect of roll motion on pitch, while one term helps to fit the roll motion close to the roll peak.File in questo prodotto:
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