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Simulation of a long slender structure in turbulent flow
Author(s) -
Tschisgale Silvio,
Fröhlich Jochen
Publication year - 2014
Publication title -
pamm
Language(s) - English
Resource type - Journals
ISSN - 1617-7061
DOI - 10.1002/pamm.201410237
Subject(s) - turbulence , flow (mathematics) , mechanics , chaotic , coupling (piping) , simple (philosophy) , fluid–structure interaction , physics , deformation (meteorology) , classical mechanics , motion (physics) , computer science , engineering , meteorology , mechanical engineering , finite element method , thermodynamics , philosophy , epistemology , artificial intelligence
The dynamic behaviour of a long slender structure in turbulent flow can vary considerably, depending on the particular excitation. Regimes from simple static deformation, over periodic to irregular and chaotic behaviour are observed. An example is the self‐excited periodic motion of a long slender structure in cross flow. In such cases, the fluid flow and the structure movement are strongly coupled. The paper presents a robust partitioned coupling approach based on the Immersed Boundary Method which integrates the geometrically exact Cosserat rod model. (© 2014 Wiley‐VCH Verlag GmbH & Co. KGaA, Weinheim)