{"id":{"repo_id":"brazil-uerj","oai_identifier":"oai:pantheon.ufrj.br:11422/3786"},"canonical_url":"https://search.dev.ndltd.org/etd/brazil-uerj/oai:pantheon.ufrj.br:11422/3786","repository":{"repo_id":"brazil-uerj","name":"Brazil UERJ","base_url":"https://pantheon.ufrj.br/oai/request"},"display":{"title":"Estudo do comportamento dinâmico de plataforma offshore do tipo T.L.P. para águas profundas através de modelo reduzido hidroelástico","abstract":"A hydroelastic reduced model of a deep water tension leg platform is designed and constructed according to the similitude theory. The theoretical-numerical model adjustements are presented as well as the physical modelling and constructive techniques. The obtained results from free vibration tests and the action of regular waves on the model are also shown. Among the available experimental results, those related to the damping ratio, inertia and drag coefficients should be highlited. It should be noted for the model under wave actions, the comparison between experimental and numerical results matches quite well. The good correlation between theoretical-numerical and experimental results validates the experimental modeling and constructive techniques and the experimental analyses. Further, these favorable results allows the extrapolation of data from model to prototype. Finally, it should be emphasized that the data obtained herein, essentially of experimental nature, are useful for a rational design of such offshore structure.","abstract_html":"A hydroelastic reduced model of a deep water tension leg platform is designed and constructed according to the similitude theory. The theoretical-numerical model adjustements are presented as well as the physical modelling and constructive techniques. The obtained results from free vibration tests and the action of regular waves on the model are also shown. Among the available experimental results, those related to the damping ratio, inertia and drag coefficients should be highlited. It should be noted for the model under wave actions, the comparison between experimental and numerical results matches quite well. The good correlation between theoretical-numerical and experimental results validates the experimental modeling and constructive techniques and the experimental analyses. Further, these favorable results allows the extrapolation of data from model to prototype. Finally, it should be emphasized that the data obtained herein, essentially of experimental nature, are useful for a rational design of such offshore structure.","abstract_has_math":false,"creators":["Freire, Augusto César Guimarães"],"institution":"Universidade Federal do Rio de Janeiro","degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":[],"advisors":["Roitman, Ney"],"committee_chairs":[],"committee_members":[],"year":1988,"date_issued":"1988-12","date_published":"1988-12","updated_at":"2026-07-24T01:16:10Z","subjects":["Engenharia Civil"],"languages":["por"],"rights":["Acesso Aberto"],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"http://hdl.handle.net/11422/3786","outbound_label":"Handle","outbound_source":"dc:identifier.uri"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor.advisor","label":"Advisor","values":["Roitman, Ney"]},{"key":"dc:creator","label":"Author","values":["Freire, Augusto César Guimarães"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.accessioned","label":"Dc Date Accessioned","values":["2018-03-27T17:24:30Z"]},{"key":"dc:date.available","label":"Dc Date Available","values":["2026-05-16T03:05:25Z"]},{"key":"dc:date.issued","label":"Date","values":["1988-12"]},{"key":"dc:publisher","label":"Institution","values":["Universidade Federal do Rio de Janeiro"]},{"key":"dc:publisher.department","label":"Dc Publisher Department","values":["Instituto Alberto Luiz Coimbra de Pós-Graduação e Pesquisa de Engenharia"]},{"key":"dc:type","label":"Dc Type","values":["Dissertação"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Engenharia Civil"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["por"]},{"key":"dc:rights","label":"Dc Rights","values":["Acesso Aberto"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier.uri","label":"Identifier URI","values":["http://hdl.handle.net/11422/3786"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["A hydroelastic reduced model of a deep water tension leg platform is designed and constructed according to the similitude theory. The theoretical-numerical model adjustements are presented as well as the physical modelling and constructive techniques. The obtained results from free vibration tests and the action of regular waves on the model are also shown. Among the available experimental results, those related to the damping ratio, inertia and drag coefficients should be highlited. It should be noted for the model under wave actions, the comparison between experimental and numerical results matches quite well. The good correlation between theoretical-numerical and experimental results validates the experimental modeling and constructive techniques and the experimental analyses. Further, these favorable results allows the extrapolation of data from model to prototype. Finally, it should be emphasized that the data obtained herein, essentially of experimental nature, are useful for a rational design of such offshore structure."]},{"key":"dc:title","label":"Title","values":["Estudo do comportamento dinâmico de plataforma offshore do tipo T.L.P. para águas profundas através de modelo reduzido hidroelástico"]}]}],"canonical_facts":{"dc:contributor.advisor":["Roitman, Ney"],"dc:creator":["Freire, Augusto César Guimarães"],"dc:date.accessioned":["2018-03-27T17:24:30Z"],"dc:date.available":["2026-05-16T03:05:25Z"],"dc:date.issued":["1988-12"],"dc:description.abstract":["A hydroelastic reduced model of a deep water tension leg platform is designed and constructed according to the similitude theory. The theoretical-numerical model adjustements are presented as well as the physical modelling and constructive techniques. The obtained results from free vibration tests and the action of regular waves on the model are also shown. Among the available experimental results, those related to the damping ratio, inertia and drag coefficients should be highlited. It should be noted for the model under wave actions, the comparison between experimental and numerical results matches quite well. The good correlation between theoretical-numerical and experimental results validates the experimental modeling and constructive techniques and the experimental analyses. Further, these favorable results allows the extrapolation of data from model to prototype. Finally, it should be emphasized that the data obtained herein, essentially of experimental nature, are useful for a rational design of such offshore structure."],"dc:identifier.uri":["http://hdl.handle.net/11422/3786"],"dc:language":["por"],"dc:publisher":["Universidade Federal do Rio de Janeiro"],"dc:publisher.department":["Instituto Alberto Luiz Coimbra de Pós-Graduação e Pesquisa de Engenharia"],"dc:rights":["Acesso Aberto"],"dc:subject":["Engenharia Civil"],"dc:title":["Estudo do comportamento dinâmico de plataforma offshore do tipo T.L.P. para águas profundas através de modelo reduzido hidroelástico"],"dc:type":["Dissertação"]},"updated_at":"2026-07-24T01:16:10Z"}