{"id":{"repo_id":"brazil-uerj","oai_identifier":"oai:pantheon.ufrj.br:11422/7420"},"canonical_url":"https://search.dev.ndltd.org/etd/brazil-uerj/oai:pantheon.ufrj.br:11422/7420","repository":{"repo_id":"brazil-uerj","name":"Brazil UERJ","base_url":"https://pantheon.ufrj.br/oai/request"},"display":{"title":"Simulação do colapso progressivo da seção mestra de um navio militar devido à flexão longitudinal","abstract":"The necessity of safeguarding the rights and exercising Brazil's obligations at sea, on the continental shelf and its extension (Blue Amazon), generates the need to design and obtain efficient and reliable combat platforms, which are described in the National Defense Strategy (NDS). Aiming at structural efficiency, this work analyzed the progressive collapse of the midship of a military vessel due to longitudinal bending designed by standard. After the validation of the boundary conditions and the analysis of the midship section, we obtained the percentage differences between the last moments, sagging and hogging, calculated by the norm and those resulting from the simulation by finite elements. The percentage differences between the last buckling stress of the different stiffness and those obtained in the buckling of the profiles and plates were also obtained. The results were 18% and 23% of differences in sagging and hogging, respectively. The overall average difference between the critical stress encountered and the standard stress was 44%.","abstract_html":"The necessity of safeguarding the rights and exercising Brazil's obligations at sea, on the continental shelf and its extension (Blue Amazon), generates the need to design and obtain efficient and reliable combat platforms, which are described in the National Defense Strategy (NDS). Aiming at structural efficiency, this work analyzed the progressive collapse of the midship of a military vessel due to longitudinal bending designed by standard. After the validation of the boundary conditions and the analysis of the midship section, we obtained the percentage differences between the last moments, sagging and hogging, calculated by the norm and those resulting from the simulation by finite elements. The percentage differences between the last buckling stress of the different stiffness and those obtained in the buckling of the profiles and plates were also obtained. The results were 18% and 23% of differences in sagging and hogging, respectively. The overall average difference between the critical stress encountered and the standard stress was 44%.","abstract_has_math":false,"creators":["Oliveira, Jeferson Ferreira de"],"institution":"Universidade Federal do Rio de Janeiro","degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":[],"advisors":["Cyrino, Julio Cesar Ramalho"],"committee_chairs":[],"committee_members":[],"year":2017,"date_issued":"2017-09","date_published":"2017-09","updated_at":"2026-07-24T01:16:26Z","subjects":["Engenharia oceânica","Plataformas de combate"],"languages":["por"],"rights":["Acesso Aberto"],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"http://hdl.handle.net/11422/7420","outbound_label":"Handle","outbound_source":"dc:identifier.uri"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor.advisor","label":"Advisor","values":["Cyrino, Julio Cesar Ramalho"]},{"key":"dc:creator","label":"Author","values":["Oliveira, Jeferson Ferreira de"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.accessioned","label":"Dc Date Accessioned","values":["2019-04-25T16:51:25Z"]},{"key":"dc:date.available","label":"Dc Date Available","values":["2026-05-16T03:00:43Z"]},{"key":"dc:date.issued","label":"Date","values":["2017-09"]},{"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 oceânica","Plataformas de combate"]}]},{"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/11422/7420"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["The necessity of safeguarding the rights and exercising Brazil's obligations at sea, on the continental shelf and its extension (Blue Amazon), generates the need to design and obtain efficient and reliable combat platforms, which are described in the National Defense Strategy (NDS). Aiming at structural efficiency, this work analyzed the progressive collapse of the midship of a military vessel due to longitudinal bending designed by standard. After the validation of the boundary conditions and the analysis of the midship section, we obtained the percentage differences between the last moments, sagging and hogging, calculated by the norm and those resulting from the simulation by finite elements. The percentage differences between the last buckling stress of the different stiffness and those obtained in the buckling of the profiles and plates were also obtained. The results were 18% and 23% of differences in sagging and hogging, respectively. The overall average difference between the critical stress encountered and the standard stress was 44%."]},{"key":"dc:title","label":"Title","values":["Simulação do colapso progressivo da seção mestra de um navio militar devido à flexão longitudinal"]}]}],"canonical_facts":{"dc:contributor.advisor":["Cyrino, Julio Cesar Ramalho"],"dc:creator":["Oliveira, Jeferson Ferreira de"],"dc:date.accessioned":["2019-04-25T16:51:25Z"],"dc:date.available":["2026-05-16T03:00:43Z"],"dc:date.issued":["2017-09"],"dc:description.abstract":["The necessity of safeguarding the rights and exercising Brazil's obligations at sea, on the continental shelf and its extension (Blue Amazon), generates the need to design and obtain efficient and reliable combat platforms, which are described in the National Defense Strategy (NDS). Aiming at structural efficiency, this work analyzed the progressive collapse of the midship of a military vessel due to longitudinal bending designed by standard. After the validation of the boundary conditions and the analysis of the midship section, we obtained the percentage differences between the last moments, sagging and hogging, calculated by the norm and those resulting from the simulation by finite elements. The percentage differences between the last buckling stress of the different stiffness and those obtained in the buckling of the profiles and plates were also obtained. The results were 18% and 23% of differences in sagging and hogging, respectively. The overall average difference between the critical stress encountered and the standard stress was 44%."],"dc:identifier.uri":["http://hdl.handle.net/11422/7420"],"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 oceânica","Plataformas de combate"],"dc:title":["Simulação do colapso progressivo da seção mestra de um navio militar devido à flexão longitudinal"],"dc:type":["Dissertação"]},"updated_at":"2026-07-24T01:16:26Z"}