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Simulation and Identification Techniques for Floating Structures
Blekinge Institute of Technology, School of Engineering.
2010 (English)Independent thesis Advanced level (degree of Master (Two Years))Student thesis
Abstract [en]

The dynamic behaviour of floating structures is studied in this work. These types of structures are normally simplified into spring-mass systems where frequency dependent mass and damping is used to model the hydrodynamics. A method based on using digital filters to simulate the time response is tested in this work. The problem to identify added mass and added damping coefficients from measurement data is also examined. This is done by using the simulation model to generate time data. The predicted added mass and added damping can then be compared with the true coefficients and the identification method can be evaluated. Finally, an experimental system is studied and compared with simulation results.

Place, publisher, year, edition, pages
2010. , 74 p.
Keyword [en]
Floating Structures, Dynamic Behaviour, Added Mass, Added Damping, System Identification
National Category
Mechanical Engineering
URN: urn:nbn:se:bth-5789Local ID: diva2:833191
Available from: 2015-04-22 Created: 2010-07-13 Last updated: 2015-06-30Bibliographically approved

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