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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. DLR-Institut für Aeroelastik. 34 S.
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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/ | ||||||||
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| 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: |
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| Date: | September 2018 | ||||||||
| Refereed publication: | No | ||||||||
| Open Access: | No | ||||||||
| Number of Pages: | 34 | ||||||||
| Status: | Published | ||||||||
| 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 (old) | ||||||||
| Location: | Göttingen | ||||||||
| Institutes and Institutions: | Institute of Aeroelasticity > Aeroelastic Experiments | ||||||||
| Deposited By: | Schuff, Matthias | ||||||||
| Deposited On: | 02 Oct 2018 08:33 | ||||||||
| Last Modified: | 26 May 2025 12:42 |
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