Performance assessment of the overset grid method for numerical wave tank experiments in the openfoam environment
To maximise the energy output of wave energy converters (WECs), large structural motions are desired. When simulating WEC performance in Computational Fluid Dynamics (CFD) based numerical wave tanks, these motions must be explicitly accommodated in the computational domain. Using well established me...
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ftunivmaynooth:oai:mural.maynoothuniversity.ie:13345 2023-05-15T14:25:32+02:00 Performance assessment of the overset grid method for numerical wave tank experiments in the openfoam environment Windt, Christian Davidson, Josh Akram, Benazzou Ringwood, John 2018 text https://mural.maynoothuniversity.ie/13345/ https://mural.maynoothuniversity.ie/13345/1/JR_performance%20assessment.pdf en eng ASME https://mural.maynoothuniversity.ie/13345/1/JR_performance%20assessment.pdf Windt, Christian and Davidson, Josh and Akram, Benazzou and Ringwood, John (2018) Performance assessment of the overset grid method for numerical wave tank experiments in the openfoam environment. In: ASME 2018 37th International Conference on Ocean, Offshore and Arctic Engineering. ASME. ISBN 9780791851319 Book Section PeerReviewed 2018 ftunivmaynooth 2022-06-13T18:47:52Z To maximise the energy output of wave energy converters (WECs), large structural motions are desired. When simulating WEC performance in Computational Fluid Dynamics (CFD) based numerical wave tanks, these motions must be explicitly accommodated in the computational domain. Using well established mesh morphing (MM) methods, this explicit accommodation results in deformation of control volumes (CVs)/mesh. Thus, large amplitude WEC oscillations may lead to highly distorted CVs and push MM models beyond the limits of numerical stability. While advanced numerical mesh motion methods, such as overset grids, have been developed in commercial CFD codes to overcome these issues, little use of these methods can be found in WEC analysis. However, recently the overset grid method (OSG) has been made available to a wider user community through its release in the open source CFD environment OpenFOAM [1, 2]. To evaluate the performance of the OSG, this paper will compare the classical MM method and the OSG against experimental tank test data of the WaveStar device [3]. Book Part Arctic Maynooth University ePrints and eTheses Archive (National University of Ireland) |
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Maynooth University ePrints and eTheses Archive (National University of Ireland) |
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ftunivmaynooth |
language |
English |
description |
To maximise the energy output of wave energy converters (WECs), large structural motions are desired. When simulating WEC performance in Computational Fluid Dynamics (CFD) based numerical wave tanks, these motions must be explicitly accommodated in the computational domain. Using well established mesh morphing (MM) methods, this explicit accommodation results in deformation of control volumes (CVs)/mesh. Thus, large amplitude WEC oscillations may lead to highly distorted CVs and push MM models beyond the limits of numerical stability. While advanced numerical mesh motion methods, such as overset grids, have been developed in commercial CFD codes to overcome these issues, little use of these methods can be found in WEC analysis. However, recently the overset grid method (OSG) has been made available to a wider user community through its release in the open source CFD environment OpenFOAM [1, 2]. To evaluate the performance of the OSG, this paper will compare the classical MM method and the OSG against experimental tank test data of the WaveStar device [3]. |
format |
Book Part |
author |
Windt, Christian Davidson, Josh Akram, Benazzou Ringwood, John |
spellingShingle |
Windt, Christian Davidson, Josh Akram, Benazzou Ringwood, John Performance assessment of the overset grid method for numerical wave tank experiments in the openfoam environment |
author_facet |
Windt, Christian Davidson, Josh Akram, Benazzou Ringwood, John |
author_sort |
Windt, Christian |
title |
Performance assessment of the overset grid method for numerical wave tank experiments in the openfoam environment |
title_short |
Performance assessment of the overset grid method for numerical wave tank experiments in the openfoam environment |
title_full |
Performance assessment of the overset grid method for numerical wave tank experiments in the openfoam environment |
title_fullStr |
Performance assessment of the overset grid method for numerical wave tank experiments in the openfoam environment |
title_full_unstemmed |
Performance assessment of the overset grid method for numerical wave tank experiments in the openfoam environment |
title_sort |
performance assessment of the overset grid method for numerical wave tank experiments in the openfoam environment |
publisher |
ASME |
publishDate |
2018 |
url |
https://mural.maynoothuniversity.ie/13345/ https://mural.maynoothuniversity.ie/13345/1/JR_performance%20assessment.pdf |
genre |
Arctic |
genre_facet |
Arctic |
op_relation |
https://mural.maynoothuniversity.ie/13345/1/JR_performance%20assessment.pdf Windt, Christian and Davidson, Josh and Akram, Benazzou and Ringwood, John (2018) Performance assessment of the overset grid method for numerical wave tank experiments in the openfoam environment. In: ASME 2018 37th International Conference on Ocean, Offshore and Arctic Engineering. ASME. ISBN 9780791851319 |
_version_ |
1766297978983677952 |