Analysis of Forces on a Submarine Outfall by a RANS-VoF Numerical Wave Tank
Knowledge of forces due to the action of waves on submarine outfalls composed by a pipe and stabilizing concrete weights, considering the wave propagation direction to the outfalls, is essential to their design. 3D numerical models based on RANS-VoF (Reynolds-Average-Navier-Stokes Volume-of-Fluid) a...
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| Veröffentlicht in: | Diffusion and defect data. Solid state data. Pt. A, Defect and diffusion forum Defect and diffusion forum, 2019-08, Vol.396, p.50-59 |
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| container_title | Diffusion and defect data. Solid state data. Pt. A, Defect and diffusion forum |
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| creator | Teixeira, Paulo R.F. Didier, Eric Neves, Maria Graça |
| description | Knowledge of forces due to the action of waves on submarine outfalls composed by a pipe and stabilizing concrete weights, considering the wave propagation direction to the outfalls, is essential to their design. 3D numerical models based on RANS-VoF (Reynolds-Average-Navier-Stokes Volume-of-Fluid) are able to estimate forces on the pipe and weights. The present study aims to simulate a submarine outfall with stabilizing concrete weights at 1:15 scale which was previously tested in the 3D Shallow Water Basin at the Danish Hydraulics Institute (DHI) to analyse the influence of the direction of the incident wave and the distance from the pipe to the bottom on the outfall forces. In this study, numerical results are compared with experimental ones for waves with four different amplitudes and with wave incidence perpendicular to the outfall. The use of k-ω SST turbulence model led to good agreement between numerical drag and lift forces and experimental ones, with a mean difference of 8.9 and 7.6%, respectively. |
| doi_str_mv | 10.4028/www.scientific.net/DDF.396.50 |
| format | Article |
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The present study aims to simulate a submarine outfall with stabilizing concrete weights at 1:15 scale which was previously tested in the 3D Shallow Water Basin at the Danish Hydraulics Institute (DHI) to analyse the influence of the direction of the incident wave and the distance from the pipe to the bottom on the outfall forces. In this study, numerical results are compared with experimental ones for waves with four different amplitudes and with wave incidence perpendicular to the outfall. 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The use of k-ω SST turbulence model led to good agreement between numerical drag and lift forces and experimental ones, with a mean difference of 8.9 and 7.6%, respectively.</description><subject>Computational fluid dynamics</subject><subject>Computer simulation</subject><subject>Concrete pipes</subject><subject>Fluid flow</subject><subject>Hydraulics</subject><subject>Incident waves</subject><subject>K-omega turbulence model</subject><subject>Numerical models</subject><subject>Shallow water</subject><subject>Three dimensional models</subject><subject>Turbulence models</subject><subject>Wave propagation</subject><subject>Wave tanks</subject><issn>1012-0386</issn><issn>1662-9507</issn><issn>1662-9507</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><sourceid>AFKRA</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><recordid>eNqNkF9LwzAUxYMoOKffISA-tsufJk0fRMZmVRwbuKmPIU0T7OzambSOfXsjE_bq0z1czrmX8wPgBqM4QUSMdrtd7HVlmq6ylY4b042m0zymGY8ZOgEDzDmJMobS06ARJhGigp-DC-_XCFEscDIAz-NG1XtfedhamLdOm6AaqOCyLzbKVY2Bi76zqq5hsQ_rl_F8Gb21OZz3G-MqrWr4rr4NXKnm8xKcBaM3V39zCF7z-9XkMZotHp4m41mkCRIo0ii1hU1xqjPKhNWlIgobVVKdskwzrinRnJYZEsKkrBCFSbIyKRgWGdeMCToE14e7W9d-9cZ3ct32LvTwkhBBOEu5oMF1e3Bp13rvjJVbV4VKe4mR_OUnAz955CcDPxn4ycBPMhTyd4d851TjO6M_jm_-d-EHFcV_qA</recordid><startdate>20190816</startdate><enddate>20190816</enddate><creator>Teixeira, Paulo R.F.</creator><creator>Didier, Eric</creator><creator>Neves, Maria Graça</creator><general>Trans Tech Publications Ltd</general><scope>AAYXX</scope><scope>CITATION</scope><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>AFKRA</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>D1I</scope><scope>DWQXO</scope><scope>HCIFZ</scope><scope>KB.</scope><scope>PDBOC</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope></search><sort><creationdate>20190816</creationdate><title>Analysis of Forces on a Submarine Outfall by a RANS-VoF Numerical Wave Tank</title><author>Teixeira, Paulo R.F. ; Didier, Eric ; Neves, Maria Graça</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c2080-c07fbf717c9358fcda2a1ead3c759c56c32c63d9088e75b8be49d4b51896c5583</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Computational fluid dynamics</topic><topic>Computer simulation</topic><topic>Concrete pipes</topic><topic>Fluid flow</topic><topic>Hydraulics</topic><topic>Incident waves</topic><topic>K-omega turbulence model</topic><topic>Numerical models</topic><topic>Shallow water</topic><topic>Three dimensional models</topic><topic>Turbulence models</topic><topic>Wave propagation</topic><topic>Wave tanks</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Teixeira, Paulo R.F.</creatorcontrib><creatorcontrib>Didier, Eric</creatorcontrib><creatorcontrib>Neves, Maria Graça</creatorcontrib><collection>CrossRef</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Materials Science Collection</collection><collection>ProQuest Central Korea</collection><collection>SciTech Premium Collection</collection><collection>Materials Science Database</collection><collection>Materials Science Collection</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><jtitle>Diffusion and defect data. 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| subjects | Computational fluid dynamics Computer simulation Concrete pipes Fluid flow Hydraulics Incident waves K-omega turbulence model Numerical models Shallow water Three dimensional models Turbulence models Wave propagation Wave tanks |
| title | Analysis of Forces on a Submarine Outfall by a RANS-VoF Numerical Wave Tank |
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