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  4. Advanced methods for partitioned fluid-structure interaction simulations applied to ship propellers
 
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Advanced methods for partitioned fluid-structure interaction simulations applied to ship propellers

Citation Link: https://doi.org/10.15480/882.4337
Publikationstyp
Conference Paper
Date Issued
2022-06
Sprache
English
Author(s)
Lund, Jorrid  
Radtke, Lars  
Düster, Alexander  
Ferreira Gonzalez, Daniel 
Abdel-Maksoud, Moustafa  orcid-logo
Institut
Konstruktion und Festigkeit von Schiffen M-10  
Fluiddynamik und Schiffstheorie M-8  
TORE-DOI
10.15480/882.4337
TORE-URI
http://hdl.handle.net/11420/12616
Article Number
80507
Citation
41st International Conference on Ocean, Offshore and Arctic Engineering (OMAE 2022)
Contribution to Conference
ASME 2022 41st International Conference on Ocean, Offshore and Arctic Engineering, OMAE 2022  
Publisher DOI
10.1115/OMAE2022-80507
Scopus ID
2-s2.0-85140736235
Publisher
The American Society of Mechanical Engineers
Peer Reviewed
true
In naval architecture, fluid-structure interaction (FSI) is highly important for many applications. The accurate and fast computation of FSI problems is for this reason a major challenge for a simulation engineer working on flexible structures interacting with water and wind.
For ship propellers, steel and metal alloy have long been the dominating choice of material. With the advancement in the development of fiber-reinforced polymers such as carbon fiber reinforced polymers the consideration of FSI for ship propellers becomes increasingly important.
This work presents a partitioned coupled solution approach for the simulation of FSI problems on the example of a large ship propeller. The in-house developed software library comana is used as coupling manager together with the commercial finite element method solver ANSYS as structural solver and the boundary element method solver panMARE as fluid solver. comana offers the possibility to couple a number of existing and highly specialized solvers to solve multifield problems.
For partitioned coupled FSI problems the increased computational effort due to the necessary coupling iterations and possible instabilities due to the partitioned coupling should be reduced by suitable predictor and convergence acceleration methods. For convergence acceleration, the Aitken method is one of the most common choices even though Quasi-Newton methods such as the Quasi-Newton least-squares method show promising results for the acceleration of FSI simulations.
The interpolation technique which is necessary to map the coupling quantities between the subfields for a nonmatching discretization on the interface between the subproblems is also important for a stable, accurate, and fast solution.
The simulation of a ship propeller is introduced and the advantages and disadvantages of the partitioned FSI simulation approach are shown. Predictor and convergence acceleration schemes to improve the solution process are discussed and results for flexible ship propellers are presented.
DDC Class
530: Physik
600: Technik
620: Ingenieurwissenschaften
Funding(s)
Hydro-elastische Simulation der Akustik von Schiff-Propeller-Konfigurationen mit und ohne Kavitation  
Funding Organisations
Deutsche Forschungsgemeinschaft (DFG)  
Publication version
acceptedVersion
Lizenz
http://rightsstatements.org/vocab/InC/1.0/
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