Experimental investigation of a moored floating system

Katrin Ellermann, Daniel Beyer

Publikation: Beitrag in Buch/Bericht/KonferenzbandBeitrag in einem Konferenzband


Floating structures are generally excited by a more or less irregular sea state. Therefore the structure undergoes a nonlinear dynamical behaviour which results from hydrodynamic effects or the kinematic coupling of different components. The motions of these structures have been analysed intensively with numerical techniques which predict a wide range of nonlinear effects. On the other hand, experiments are still important when it comes to verifying these theoretical findings. Investigating such a floating structure experimentally requires a complex setup: A wave generator needs to be driven in an appropriate way to yield waves with the required characteristics at the structure. The structure itself is usually designed similar to a real–world system and it has to allow for a comparison with numerical analyses. Sensors which measure the tracks of the individual components not only have to reach a prescribed precision but also need to ensure that the motion is not perturbed as a result of the measurements. Lastly, unwanted disturbances have to be avoided. For experiments in a wave tank this includes that reflections have to be minimized. This talk addresses the development of an experimental setup for the investigation of a floating structure. It highlights components which are found to be critical for the obtained accuracy and proposes techniques to reduce experimental errors.
TitelProceedings in Applied Mathematics and Mechanics
Herausgeber (Verlag)Wiley-VCH
PublikationsstatusVeröffentlicht - 2008
VeranstaltungAnnual Meeting of the International Association of Applied Mathematics and Mechanics - Bremen, Deutschland
Dauer: 31 Mär 20084 Apr 2008


KonferenzAnnual Meeting of the International Association of Applied Mathematics and Mechanics

Fields of Expertise

  • Sonstiges

Treatment code (Nähere Zuordnung)

  • Basic - Fundamental (Grundlagenforschung)
  • Theoretical
  • Experimental


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