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Optimization of Offshore Steel Jackets: Review and Proposal of a New Formulation for Time-Dependent Constraints
dc.contributor.author | Couceiro, Iván | |
dc.contributor.author | París, José | |
dc.contributor.author | Navarrina, Fermín | |
dc.contributor.author | Guizán Roca, Raquel | |
dc.contributor.author | Colominas, Ignasi | |
dc.date.accessioned | 2024-01-29T16:58:52Z | |
dc.date.available | 2024-01-29T16:58:52Z | |
dc.date.issued | 2020 | |
dc.identifier.citation | Couceiro, I., París, J., Navarrina, F. et al. Optimization of Offshore Steel Jackets: Review and Proposal of a New Formulation for Time-Dependent Constraints. Arch Computat Methods Eng 27, 1049–1069 (2020). https://doi.org/10.1007/s11831-019-09342-y | es_ES |
dc.identifier.uri | http://hdl.handle.net/2183/35198 | |
dc.description | Versión aceptada de https://doi.org/10.1007/s11831-019-09342-y | es_ES |
dc.description.abstract | [Abstract:] In this work, a methodology for the optimization of offshore wind turbine substructures (jacket type) is presented. The use of a coupled model allows for capturing the full dynamic interaction between all the elements. The structural analysis is carried out in the time-domain. A non-linear integration scheme is necessarily applied due to the effects of the rotation of the blades. Environmental actions, such as wind and waves, are considered as loading conditions. Fatigue damage at the welds of the joints is taken into account. The objective function to be minimized is the weight of the structure. The shape and sizing optimization model is stated in terms of two variables that define the overall shape of the jacket, along with the dimensions of the cross-sections of the structural members. The model is subjected to Ultimate Limit Stress (ULS), Fatigue Limit State and natural frequency constraints. The time-dependent ULS constraints are efficiently treated by means of a new formulation that is based on constraint aggregation. Fatigue accumulation during the whole design life of the structure is accurately assessed, without the need for excessively costly numerical simulations. The optimization problem is solved by means of Sequential Linear Programming, what requires a full first order sensitivity analysis to be performed. The efficiency, reliability and robustness of the proposed methodology is demonstrated by optimizing a real jacket design. | es_ES |
dc.description.sponsorship | This work has been partially supported by FEDER funds of the European Union, by the Ministerio de Economía y Competitividad of the Spanish Goverment through grant # DPI2015-68431-R, by the Secretaría Xeral de Universidades of the Xunta de Galicia through grant # GRC2014/039 and # ED431C2018/041, by the Consellería de Cultura, Educación e Ordenación Universitaria of the Xunta de Galicia by a grant awarded to the University of A Coruña, and by research fellowships of the University of A Coruña and the Fundación de la Ingeniería Civil de Galicia. | es_ES |
dc.description.sponsorship | Xunta de Galicia; GRC2014/039 | es_ES |
dc.description.sponsorship | Xunta de Galicia; ED431C2018/041 | es_ES |
dc.language.iso | eng | es_ES |
dc.publisher | Springer | es_ES |
dc.relation | info:eu-repo/grantAgreement/MINECO/Plan Estatal de Investigación Científica y Técnica y de Innovación 2013-2016/DPI2015-68431-R/ES/DISEÑO OPTIMO DE INSTALACIONES Y SISTEMAS ENERGETICOS OFF-SHORE MEDIANTE TECNICAS DE MECANICA COMPUTACIONAL DE ALTA PRECISION | es_ES |
dc.relation.uri | https://doi.org/10.1007/s11831-019-09342-y | es_ES |
dc.rights | © CIMNE, Barcelona, Spain 2019 | es_ES |
dc.subject | Structural optimization | es_ES |
dc.subject | Structural dynamics | es_ES |
dc.subject | Offshore jackets | es_ES |
dc.subject | Fatigue | es_ES |
dc.title | Optimization of Offshore Steel Jackets: Review and Proposal of a New Formulation for Time-Dependent Constraints | es_ES |
dc.type | info:eu-repo/semantics/article | es_ES |
dc.rights.access | info:eu-repo/semantics/openAccess | es_ES |
UDC.journalTitle | Archives of Computational Methods in Engineering | es_ES |
UDC.volume | 27 | es_ES |
UDC.startPage | 1049 | es_ES |
UDC.endPage | 1069 | es_ES |
dc.identifier.doi | 10.1007/s11831-019-09342-y |
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