{"id":{"repo_id":"brazil-uerj","oai_identifier":"oai:pantheon.ufrj.br:11422/2329"},"canonical_url":"https://search.dev.ndltd.org/etd/brazil-uerj/oai:pantheon.ufrj.br:11422/2329","repository":{"repo_id":"brazil-uerj","name":"Brazil UERJ","base_url":"https://pantheon.ufrj.br/oai/request"},"display":{"title":"Análise dinâmica de placas sandwich comprimidas simplesmente apoiadas","abstract":"The scope of this dissertation is the analysis of the dynamical behavior of sandwich plates. We have considered only simply supported rectangular plates under a compressive uniform load acting in the middle plane. The dynamical instability was also analyzed. The equations of motion were obtained through a variational approach. The changes in the natural frequencies and stability loads were analyzed according to the variations of the shear stiffness of the plate. The results were plotted and are included in this dissertation. lt was also plotted a curve connecting the vibration modes with the critical loads. Through this curve it was possible to find out the smallest value for the critical load.","abstract_html":"The scope of this dissertation is the analysis of the dynamical behavior of sandwich plates. We have considered only simply supported rectangular plates under a compressive uniform load acting in the middle plane. The dynamical instability was also analyzed. The equations of motion were obtained through a variational approach. The changes in the natural frequencies and stability loads were analyzed according to the variations of the shear stiffness of the plate. The results were plotted and are included in this dissertation. lt was also plotted a curve connecting the vibration modes with the critical loads. Through this curve it was possible to find out the smallest value for the critical load.","abstract_has_math":false,"creators":["Oliveira, Roberto Fernandes de"],"institution":"Universidade Federal do Rio de Janeiro","degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":[],"advisors":["Villaça, Sergio Fernandes"],"committee_chairs":[],"committee_members":[],"year":1972,"date_issued":"1972-02","date_published":"1972-02","updated_at":"2026-07-24T01:15:49Z","subjects":["Placas","Vibrações (análise)","Análise de variância"],"languages":["por"],"rights":["Acesso Aberto"],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"http://hdl.handle.net/11422/2329","outbound_label":"Handle","outbound_source":"dc:identifier.uri"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor.advisor","label":"Advisor","values":["Villaça, Sergio Fernandes"]},{"key":"dc:creator","label":"Author","values":["Oliveira, Roberto Fernandes de"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.accessioned","label":"Dc Date Accessioned","values":["2017-06-27T17:15:20Z"]},{"key":"dc:date.available","label":"Dc Date Available","values":["2026-05-16T03:03:31Z"]},{"key":"dc:date.issued","label":"Date","values":["1972-02"]},{"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":["Placas","Vibrações (análise)","Análise de variância"]}]},{"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/11422/2329"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["The scope of this dissertation is the analysis of the dynamical behavior of sandwich plates. We have considered only simply supported rectangular plates under a compressive uniform load acting in the middle plane. The dynamical instability was also analyzed. The equations of motion were obtained through a variational approach. The changes in the natural frequencies and stability loads were analyzed according to the variations of the shear stiffness of the plate. The results were plotted and are included in this dissertation. lt was also plotted a curve connecting the vibration modes with the critical loads. Through this curve it was possible to find out the smallest value for the critical load."]},{"key":"dc:title","label":"Title","values":["Análise dinâmica de placas sandwich comprimidas simplesmente apoiadas"]}]}],"canonical_facts":{"dc:contributor.advisor":["Villaça, Sergio Fernandes"],"dc:creator":["Oliveira, Roberto Fernandes de"],"dc:date.accessioned":["2017-06-27T17:15:20Z"],"dc:date.available":["2026-05-16T03:03:31Z"],"dc:date.issued":["1972-02"],"dc:description.abstract":["The scope of this dissertation is the analysis of the dynamical behavior of sandwich plates. We have considered only simply supported rectangular plates under a compressive uniform load acting in the middle plane. The dynamical instability was also analyzed. The equations of motion were obtained through a variational approach. The changes in the natural frequencies and stability loads were analyzed according to the variations of the shear stiffness of the plate. The results were plotted and are included in this dissertation. lt was also plotted a curve connecting the vibration modes with the critical loads. Through this curve it was possible to find out the smallest value for the critical load."],"dc:identifier.uri":["http://hdl.handle.net/11422/2329"],"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":["Placas","Vibrações (análise)","Análise de variância"],"dc:title":["Análise dinâmica de placas sandwich comprimidas simplesmente apoiadas"],"dc:type":["Dissertação"]},"updated_at":"2026-07-24T01:15:49Z"}