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Study of local pressure distribution and synchronization during frequency lock-in
Hamburg Ship Model Basin (HSVA).ORCID-id: 0000-0001-6617-3658
Bremen University of Applied Sciences (HSB).ORCID-id: 0000-0002-1090-9168
2015 (Engelska)Ingår i: Proceedings of the International Conference on Port and Ocean Engineering under Arctic Conditions, POAC, 2015Konferensbidrag, Publicerat paper (Refereegranskat)
Abstract [en]

A cylindrical compliant model was equipped with tactile sensors and exposed to drifting level ice in a series of model tests in the Large Ice Basin of HSVA. Different failure modes have been observed and the corresponding distribution of local pressures has been recorded. Under certain conditions, the structure was set into lock-in vibrations with a steady-state of load and response. Cross-correlation functions were used in order to monitor the synchronization between discrete areas located around the structure's circumference. In addition, frequency analysis of local loads reveals harmonic and sub harmonic frequencies in the local load spectra. The paper describes the test setup used for the model tests in ice, quality and accurateness of the tactile sensor measurements, analysis procedure of the discrete areas and discussion of results.

Ort, förlag, år, upplaga, sidor
2015.
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Teknisk mekanik
Identifikatorer
URN: urn:nbn:se:kth:diva-305893OAI: oai:DiVA.org:kth-305893DiVA, id: diva2:1617981
Konferens
The 23rd International Conference on Port and Ocean Engineering under Arctic Conditions June 14-18, 2015 Trondheim, Norway
Anmärkning

QC 20220117

Tillgänglig från: 2021-12-08 Skapad: 2021-12-08 Senast uppdaterad: 2024-03-15Bibliografiskt granskad

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Deutsch, Clemens

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