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  4. A Mapping Procedure for the Computation of Flow-Induced Vibrations in Turbomachinery
 
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2017
Book Article
Titel

A Mapping Procedure for the Computation of Flow-Induced Vibrations in Turbomachinery

Abstract
In this paper a mapping procedure for the simulation of flow-induced vibrations in turbomachinery is presented. The exciting pressure fluctuations are computed in the frequency domain using harmonic CFD methods and are mapped to a structural FEM model of the considered turbine component utilizing the {Fraunhofer SCAI} software MpCCI FSIMapper. The frequency response analysis of the structure gives information about the resulting vibration amplitudes and allows realistic fatigue estimations of the flow-excited turbine component. The mapping process is designed for the special needs of applications using cyclic symmetric simulation models. The described method is applied to a two-stage axial turbine.
Author(s)
Wirth, N.
Oeckerath, A.
Hauptwerk
Scientific Computing and Algorithms in Industrial Simulations
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DOI
10.1007/978-3-319-62458-7_13
Language
English
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Fraunhofer-Institut für Algorithmen und Wissenschaftliches Rechnen SCAI
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