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Evaluation of Numerical Modal Analysis with Cyclic Symmetry Boundaries and Complex Mode Shapes due to Structural Coupling in Turbomachinery

Schuff, Matthias (2018) Evaluation of Numerical Modal Analysis with Cyclic Symmetry Boundaries and Complex Mode Shapes due to Structural Coupling in Turbomachinery. DLR-Interner Bericht. DLR-IB-AE-GO-2018-142, 34 S. (In Press)

Full text not available from this repository.

Abstract

Turbomachinery bladings can be investigated by only considering a segment of the full annulus. Nodal diameters have to be taken into account if structural coupling due to connections in disk or shroud is present. This report standardizes the notation and evaluation of mode shape vibrations in turbomachinery bladings, especially the angle definitions and coordinate systems.

Item URL in elib:https://elib.dlr.de/121586/
Document Type:Monograph (DLR-Interner Bericht)
Title:Evaluation of Numerical Modal Analysis with Cyclic Symmetry Boundaries and Complex Mode Shapes due to Structural Coupling in Turbomachinery
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Schuff, MatthiasMatthias.Schuff (at) dlr.dehttps://orcid.org/0000-0003-3276-2539
Date:September 2018
Refereed publication:No
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Number of Pages:34
Status:In Press
Keywords:turbomachinery, vibration, modal analysis, nodal diameter, structural coupling, blisk, shroud, complex mode shapes
Institution:DLR-Institut für Aeroelastik
Department:Aeroelastische Experimente
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:fixed-wing aircraft
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Flight Physics
Location: Göttingen
Institutes and Institutions:Institute of Aeroelasticity > Aeroelastic Experiments
Deposited By: Schuff, Matthias
Deposited On:02 Oct 2018 08:33
Last Modified:12 Jun 2019 15:37

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