Nonlinear computations of heave motions for a generic Wave Energy Converter

A bench-marking activity of numerical methods for analysis of Wave Energy Converters (WEC) was proposed under the Ocean Energy Systems (OES) International Energy Agency (IEA) Task 10 in 2015. The purpose of the benchmark is to do a code-2-code comparison of the predicted motions and power take out f...

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Detalles Bibliográficos
Autores: Janson, C.E., Shiri, A., Jansson, J., Moragues, M., Castanon, D., Saavedra, L., Degirmenci, N.C., Leoni, M.
Tipo de recurso: informe técnico
Estado:Versión aceptada para publicación
Fecha de publicación:2018
País:España
Institución:Basque Center for Applied Mathematics (BCAM)
Repositorio:BIRD. BCAM's Institutional Repository Data
OAI Identifier:oai:bird.bcamath.org:20.500.11824/901
Acceso en línea:http://hdl.handle.net/20.500.11824/901
Access Level:acceso abierto
Palabra clave:Wave Energy Converter
WEC
benchmark
sphere
heave
CFD
BEM
RANS
DNS
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spelling Nonlinear computations of heave motions for a generic Wave Energy ConverterJanson, C.E.Shiri, A.Jansson, J.Moragues, M.Castanon, D.Saavedra, L.Degirmenci, N.C.Leoni, M.Wave Energy ConverterWECbenchmarksphereheaveCFDBEMRANSDNSA bench-marking activity of numerical methods for analysis of Wave Energy Converters (WEC) was proposed under the Ocean Energy Systems (OES) International Energy Agency (IEA) Task 10 in 2015. The purpose of the benchmark is to do a code-2-code comparison of the predicted motions and power take out for a WEC. A heaving sphere was used as a first simple test case. The participants sim- ulated heave decay and regular and irregular wave cases. The numerical methods ranged from linear methods to viscous methods solving the Navier-Stokes equa- tions (CFD). An overview of the results from the first phase of the benchmark was reported in [1]. The present paper focus on the simulations of the sphere using one fully nonlinear time-domain BEM one transient RANS method and one transient Direct FE method with no turbulence model. The theory of the three methods as well as the modeling of the sphere are described. Heave decay and heave motions for steep regular waves were selected as test cases in order to study and compare the capability to handle nonlinear effects. Computational efficiency and applicability of the three methods are also discussed.201820182018info:eu-repo/semantics/reportinfo:eu-repo/semantics/acceptedVersionapplication/pdfhttp://hdl.handle.net/20.500.11824/901reponame:BIRD. BCAM's Institutional Repository Datainstname:Basque Center for Applied Mathematics (BCAM)Ingléshttps://indico.atenanazionale.org/event/0/session/8/contribution/26.pdfReconocimiento-NoComercial-CompartirIgual 3.0 Españahttp://creativecommons.org/licenses/by-nc-sa/3.0/es/info:eu-repo/semantics/openAccessoai:bird.bcamath.org:20.500.11824/9012026-06-19T12:47:47Z
dc.title.none.fl_str_mv Nonlinear computations of heave motions for a generic Wave Energy Converter
title Nonlinear computations of heave motions for a generic Wave Energy Converter
spellingShingle Nonlinear computations of heave motions for a generic Wave Energy Converter
Janson, C.E.
Wave Energy Converter
WEC
benchmark
sphere
heave
CFD
BEM
RANS
DNS
title_short Nonlinear computations of heave motions for a generic Wave Energy Converter
title_full Nonlinear computations of heave motions for a generic Wave Energy Converter
title_fullStr Nonlinear computations of heave motions for a generic Wave Energy Converter
title_full_unstemmed Nonlinear computations of heave motions for a generic Wave Energy Converter
title_sort Nonlinear computations of heave motions for a generic Wave Energy Converter
dc.creator.none.fl_str_mv Janson, C.E.
Shiri, A.
Jansson, J.
Moragues, M.
Castanon, D.
Saavedra, L.
Degirmenci, N.C.
Leoni, M.
author Janson, C.E.
author_facet Janson, C.E.
Shiri, A.
Jansson, J.
Moragues, M.
Castanon, D.
Saavedra, L.
Degirmenci, N.C.
Leoni, M.
author_role author
author2 Shiri, A.
Jansson, J.
Moragues, M.
Castanon, D.
Saavedra, L.
Degirmenci, N.C.
Leoni, M.
author2_role author
author
author
author
author
author
author
dc.subject.none.fl_str_mv Wave Energy Converter
WEC
benchmark
sphere
heave
CFD
BEM
RANS
DNS
topic Wave Energy Converter
WEC
benchmark
sphere
heave
CFD
BEM
RANS
DNS
description A bench-marking activity of numerical methods for analysis of Wave Energy Converters (WEC) was proposed under the Ocean Energy Systems (OES) International Energy Agency (IEA) Task 10 in 2015. The purpose of the benchmark is to do a code-2-code comparison of the predicted motions and power take out for a WEC. A heaving sphere was used as a first simple test case. The participants sim- ulated heave decay and regular and irregular wave cases. The numerical methods ranged from linear methods to viscous methods solving the Navier-Stokes equa- tions (CFD). An overview of the results from the first phase of the benchmark was reported in [1]. The present paper focus on the simulations of the sphere using one fully nonlinear time-domain BEM one transient RANS method and one transient Direct FE method with no turbulence model. The theory of the three methods as well as the modeling of the sphere are described. Heave decay and heave motions for steep regular waves were selected as test cases in order to study and compare the capability to handle nonlinear effects. Computational efficiency and applicability of the three methods are also discussed.
publishDate 2018
dc.date.none.fl_str_mv 2018
2018
2018
dc.type.none.fl_str_mv info:eu-repo/semantics/report
info:eu-repo/semantics/acceptedVersion
format report
status_str acceptedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/20.500.11824/901
url http://hdl.handle.net/20.500.11824/901
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv https://indico.atenanazionale.org/event/0/session/8/contribution/26.pdf
dc.rights.none.fl_str_mv Reconocimiento-NoComercial-CompartirIgual 3.0 España
http://creativecommons.org/licenses/by-nc-sa/3.0/es/
info:eu-repo/semantics/openAccess
rights_invalid_str_mv Reconocimiento-NoComercial-CompartirIgual 3.0 España
http://creativecommons.org/licenses/by-nc-sa/3.0/es/
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.source.none.fl_str_mv reponame:BIRD. BCAM's Institutional Repository Data
instname:Basque Center for Applied Mathematics (BCAM)
instname_str Basque Center for Applied Mathematics (BCAM)
reponame_str BIRD. BCAM's Institutional Repository Data
collection BIRD. BCAM's Institutional Repository Data
repository.name.fl_str_mv
repository.mail.fl_str_mv
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