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  4. Partitioned simulation of the acoustic behavior of flexible marine propellers using finite and boundary elements
 
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Partitioned simulation of the acoustic behavior of flexible marine propellers using finite and boundary elements

Citation Link: https://doi.org/10.15480/882.4761
Publikationstyp
Conference Paper
Date Issued
2021-01-25
Sprache
English
Author(s)
Radtke, Lars  
Lampe, Tobias  
Abdel-Maksoud, Moustafa  orcid-logo
Düster, Alexander  
Institut
Konstruktion und Festigkeit von Schiffen M-10  
Fluiddynamik und Schiffstheorie M-8  
TORE-DOI
10.15480/882.4761
TORE-URI
http://hdl.handle.net/11420/14240
Journal
Proceedings in applied mathematics and mechanics  
Volume
20
Issue
1
Article Number
e202000315
Citation
Proceedings in applied mathematics and mechanics 20 (1): e202000315 (2021-01-25)
Contribution to Conference
91st Annual Meeting of the International Association of Applied Mathematics and Mechanics (GAMM 2021)  
Publisher DOI
10.1002/pamm.202000315
Publisher
Wiley-VCH
In the last years, classification societies have announced several specifications regarding the limitation of the noise level of ships. Accordingly, the prediction of the acoustic signature of cavitating propellers, which are the main source for noise generation, has attracted a lot of interest. For an accurate numerical simulation of the underlying physics, the deformation of the propeller has to be taken into account, which results in a fluid-structure interaction (FSI) problem.
In order to utilize different discretization methods for the individual sub-problems, we apply a partitioned solution approach. This makes it possible to use a finite element solver for the structural problem, while a boundary element solver is used for the fluid problem. From the solution of the FSI problem, the acoustic pressure in the far field is obtained using the Ffowcs William-Hawking equation.
DDC Class
600: Technik
620: Ingenieurwissenschaften
Funding(s)
Projekt DEAL  
Funding Organisations
Deutsche Forschungsgemeinschaft (DFG)  
More Funding Information
The authors gratefully acknowledge the support provided by the DFG (Deutsche Forschungsgemeinschaft) under the
grant numbers DU 405/13-1 and AB 112/12-1.
Publication version
publishedVersion
Lizenz
https://creativecommons.org/licenses/by-nc/4.0/
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