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Title: Model order reduction technique applied on harmonic analysis of a submerged vibrating blade
Creator:
Tengs, Eric ; Charrassier, Flora ; Holst, Martin ; Storli, Pal-Tore Selbo
Date:
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Abstract:
As part of an ongoing study into hydropower runner failure, a submerged, vibrating blade is investigated both experimentally and numerically. The numerical simulations performed are fully coupled acoustic-structural simulations in ANSYS Mechanical. In order to speed up the simulations, a model order reduction technique based on Krylov subspaces is implemented. ; This paper presents a comparison between the full ANSYS harmonic response and the reduced order model, and shows excellent agreement. The speedup factor obtained by using the reduced order model is shown to be between one and two orders of magnitude. The number of dimensions in the reduced subspace needed for accurate results is investigated, and confirms what is found in other studies on similar model order reduction applications. In addition, experimental results are available for validation, and show good match when not too far from the resonance peak.
Publisher:
Zielona Góra: Uniwersytet Zielonogórski
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Source:
IJAME, volume 24, number 1 (2019)
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License CC BY-NC-ND 4.0:
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Biblioteka Uniwersytetu Zielonogórskiego
Object collections:
- Digital Library of Zielona Góra > Repository > Faculties > Faculty of Mechanical Engineering
- Digital Library of Zielona Góra > Repository > Types of work > Articles
- Digital Library of Zielona Góra > Repository > Scientific journals and UZ publishing series > International Journal of Applied Mechanics and Engineering (IJAME) > International Journal of Applied Mechanics and Engineering (IJAME) (2019)
Last modified:
Jul 6, 2023
In our library since:
Mar 1, 2023
Number of object content hits:
70
All available object's versions:
https://zbc.uz.zgora.pl/publication/78248
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International Journal of Applied Mechanics and Engineering (IJAME)
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International Journal of Applied Mechanics and Engineering (IJAME), volume 24 (2019)
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International Journal of Applied Mechanics and Engineering (IJAME), volume 24, number 1 (2019)
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International Journal of Applied Mechanics and Engineering (IJAME), volume 29 (2024)
| Edition name | Date |
|---|---|
| Model order reduction technique applied on harmonic analysis of a submerged vibrating blade | Jul 6, 2023 |
