Performance Assessment of Three Turbulence Models Validated through an Experimental Wave Flume under Different Scenarios of Wave Generation
This study aimed to adjust the turbulence models to the real behavior of the numerical wave flume (NWF) and the future research that will be carried out on it, according to the turbulence model that best adjusts to each particular case study. The k-", k-! and large-eddy simulation (LES) models, usin...
| Authors: | ; ; ; |
|---|---|
| Format: | Article |
| Publication date: | 2020 |
| Country: | España |
| Institution: | TECNALIA Research & Innovation |
| Repository: | TECNALIA Publications |
| Language: | English |
| OAI Identifier: | oai:dsp.tecnalia.com:11556/1020 |
| Online Access: | https://hdl.handle.net/11556/1020 |
| Access Level: | Open access |
| Keyword: | CFD Experimental wave flume Numerical wave flume Reflection Turbulence modelling VOF Funding Info This research received no external funding. |
| _version_ | 1878735077985222656 |
|---|---|
| author | Galera-Calero, Lander |
| author2 | Blanco, Jesús María Izquierdo, Urko Esteban, Gustavo Adolfo |
| author2_role | author author author |
| author_browse | Blanco, Jesús María Esteban, Gustavo Adolfo Galera-Calero, Lander Izquierdo, Urko |
| author_facet | Galera-Calero, Lander Blanco, Jesús María Izquierdo, Urko Esteban, Gustavo Adolfo |
| author_role | author |
| collection | TECNALIA Publications |
| description | This study aimed to adjust the turbulence models to the real behavior of the numerical wave flume (NWF) and the future research that will be carried out on it, according to the turbulence model that best adjusts to each particular case study. The k-", k-! and large-eddy simulation (LES) models, using the volume of fluid (VOF) method, were analyzed and compared respectively. The wavemaker theory was followed to faithfully reproduce the waves, which were measured in an experimental wave flume (EWF) and compared with the theory to validate each turbulence model. Besides, reflection was measured with the Mansard and Funke method, which has shown promising results when studying one of the most critical turbulent behaviors in the wave flume, called the breaking of the waves. The free surface displacement obtained with each turbulence model was compared with the recorded signals located at three points of the experimental wave flume, in the time domain of each run, respectively. Finally, the calculated reflection coefficients and the amplitudes of the reflected waves were compared, aiming to have a better understanding of the wave reflection process at the extinction zone. The research showed good agreement between all the experimental signals and the numerical outcomes for all the turbulence models analyzed. |
| eu_rights_str_mv | openAccess |
| format | article |
| id | ES_7589dcbc7c5644bdfd942a3cfc35ffec |
| institution | TECNALIA Research & Innovation |
| instname_str | TECNALIA Research & Innovation |
| language | eng |
| network_acronym_str | ES |
| network_name_str | España |
| oai_identifier_str | oai:dsp.tecnalia.com:11556/1020 |
| publishDate | 2020 |
| publishDateSort | 2020 |
| reponame_str | TECNALIA Publications |
| spelling | Performance Assessment of Three Turbulence Models Validated through an Experimental Wave Flume under Different Scenarios of Wave Generation Galera-Calero, Lander Blanco, Jesús María Izquierdo, Urko Esteban, Gustavo Adolfo CFD Experimental wave flume Numerical wave flume Reflection Turbulence modelling VOF Funding Info This research received no external funding. This study aimed to adjust the turbulence models to the real behavior of the numerical wave flume (NWF) and the future research that will be carried out on it, according to the turbulence model that best adjusts to each particular case study. The k-", k-! and large-eddy simulation (LES) models, using the volume of fluid (VOF) method, were analyzed and compared respectively. The wavemaker theory was followed to faithfully reproduce the waves, which were measured in an experimental wave flume (EWF) and compared with the theory to validate each turbulence model. Besides, reflection was measured with the Mansard and Funke method, which has shown promising results when studying one of the most critical turbulent behaviors in the wave flume, called the breaking of the waves. The free surface displacement obtained with each turbulence model was compared with the recorded signals located at three points of the experimental wave flume, in the time domain of each run, respectively. Finally, the calculated reflection coefficients and the amplitudes of the reflected waves were compared, aiming to have a better understanding of the wave reflection process at the extinction zone. The research showed good agreement between all the experimental signals and the numerical outcomes for all the turbulence models analyzed. https://hdl.handle.net/11556/1020 |
| spellingShingle | Performance Assessment of Three Turbulence Models Validated through an Experimental Wave Flume under Different Scenarios of Wave Generation Galera-Calero, Lander CFD Experimental wave flume Numerical wave flume Reflection Turbulence modelling VOF Funding Info This research received no external funding. |
| title | Performance Assessment of Three Turbulence Models Validated through an Experimental Wave Flume under Different Scenarios of Wave Generation |
| title_full | Performance Assessment of Three Turbulence Models Validated through an Experimental Wave Flume under Different Scenarios of Wave Generation |
| title_fullStr | Performance Assessment of Three Turbulence Models Validated through an Experimental Wave Flume under Different Scenarios of Wave Generation |
| title_full_unstemmed | Performance Assessment of Three Turbulence Models Validated through an Experimental Wave Flume under Different Scenarios of Wave Generation |
| title_short | Performance Assessment of Three Turbulence Models Validated through an Experimental Wave Flume under Different Scenarios of Wave Generation |
| title_sort | Performance Assessment of Three Turbulence Models Validated through an Experimental Wave Flume under Different Scenarios of Wave Generation |
| topic | CFD Experimental wave flume Numerical wave flume Reflection Turbulence modelling VOF Funding Info This research received no external funding. |
| topic_facet | CFD Experimental wave flume Numerical wave flume Reflection Turbulence modelling VOF Funding Info This research received no external funding. |
| url | https://hdl.handle.net/11556/1020 |