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Title:

Reducing the computational cost of forced-motion simulations to obtain flutter derivatives

Document type:
Konferenzbeitrag
Contribution type:
Textbeitrag / Aufsatz
Author(s):
Martínez-López, Guillermo; Péntek, Máté; Warnakulasuriya, Suneth; Lázaro, Carlos; Bletzinger, Kai-Uwe
Abstract:
We investigate two strategies to reduce the computational cost of forced-motion simulations in obtaining flutter derivatives. First, the multi-frequency approach, consisting of exciting a cross-section at more than one frequency at a time, is analysed in detail. Several LES-type investigations are carried out to determine the limits of this methodology, comparing the results with the classical single-frequency simulations. Second, we explore the possibilities of a URANS-based approach. Both turb...     »
Keywords:
flutter derivatives, CFD, multi-frequency, URANS
Dewey Decimal Classification:
620 Ingenieurwissenschaften
Book / Congress title:
16th International Conference on Wind Engineering
Date of congress:
27-31 August 2023
Date of publication:
28.08.2023
Year:
2023
Language:
en
WWW:
https://www.researchgate.net/publication/387994784_Reducing_the_computational_cost_of_forced-motion_simulations_to_obtain_flutter_derivatives#fullTextFileContent
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