{"id":{"repo_id":"brazil-uerj","oai_identifier":"oai:pantheon.ufrj.br:11422/3579"},"canonical_url":"https://search.dev.ndltd.org/etd/brazil-uerj/oai:pantheon.ufrj.br:11422/3579","repository":{"repo_id":"brazil-uerj","name":"Brazil UERJ","base_url":"https://pantheon.ufrj.br/oai/request"},"display":{"title":"Vibrações e estabilidade paramétrica de cascas axissimétricas","abstract":"The general problem of Dynamics of Elastic Bodies is presented, and the problems of dynamic response and stability of rotating axisyrnmetric shells, under a non-rotating load, are studied. Using a Fourier series expansion for the circunferential variable it is shown that this load generates a periodic excitation on the shell. Linear and non-linear transient responses are then obtained through a finite difference approximation in the time domain anda finite element discretization in the longitudinal direction. The steady-state periodic solution is determined. Its infinitesimal stability is studied and the first approximation of parametric resonance regions is explicity derived.","abstract_html":"The general problem of Dynamics of Elastic Bodies is presented, and the problems of dynamic response and stability of rotating axisyrnmetric shells, under a non-rotating load, are studied. Using a Fourier series expansion for the circunferential variable it is shown that this load generates a periodic excitation on the shell. Linear and non-linear transient responses are then obtained through a finite difference approximation in the time domain anda finite element discretization in the longitudinal direction. The steady-state periodic solution is determined. Its infinitesimal stability is studied and the first approximation of parametric resonance regions is explicity derived.","abstract_has_math":false,"creators":["Loula, Abimael Fernando Dourado"],"institution":"Universidade Federal do Rio de Janeiro","degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":[],"advisors":["Bevilacqua, Luiz"],"committee_chairs":[],"committee_members":[],"year":1979,"date_issued":"1979-12","date_published":"1979-12","updated_at":"2026-07-24T01:16:04Z","subjects":["Cascas","Vibrações","Estabilidade estrutural"],"languages":["por"],"rights":["Acesso Aberto"],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"http://hdl.handle.net/11422/3579","outbound_label":"Handle","outbound_source":"dc:identifier.uri"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor.advisor","label":"Advisor","values":["Bevilacqua, Luiz"]},{"key":"dc:creator","label":"Author","values":["Loula, Abimael Fernando Dourado"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.accessioned","label":"Dc Date Accessioned","values":["2018-01-31T16:27:48Z"]},{"key":"dc:date.available","label":"Dc Date Available","values":["2026-05-16T03:04:32Z"]},{"key":"dc:date.issued","label":"Date","values":["1979-12"]},{"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":["Tese"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Cascas","Vibrações","Estabilidade estrutural"]}]},{"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/11422/3579"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["The general problem of Dynamics of Elastic Bodies is presented, and the problems of dynamic response and stability of rotating axisyrnmetric shells, under a non-rotating load, are studied. Using a Fourier series expansion for the circunferential variable it is shown that this load generates a periodic excitation on the shell. Linear and non-linear transient responses are then obtained through a finite difference approximation in the time domain anda finite element discretization in the longitudinal direction. The steady-state periodic solution is determined. Its infinitesimal stability is studied and the first approximation of parametric resonance regions is explicity derived."]},{"key":"dc:title","label":"Title","values":["Vibrações e estabilidade paramétrica de cascas axissimétricas"]}]}],"canonical_facts":{"dc:contributor.advisor":["Bevilacqua, Luiz"],"dc:creator":["Loula, Abimael Fernando Dourado"],"dc:date.accessioned":["2018-01-31T16:27:48Z"],"dc:date.available":["2026-05-16T03:04:32Z"],"dc:date.issued":["1979-12"],"dc:description.abstract":["The general problem of Dynamics of Elastic Bodies is presented, and the problems of dynamic response and stability of rotating axisyrnmetric shells, under a non-rotating load, are studied. Using a Fourier series expansion for the circunferential variable it is shown that this load generates a periodic excitation on the shell. Linear and non-linear transient responses are then obtained through a finite difference approximation in the time domain anda finite element discretization in the longitudinal direction. The steady-state periodic solution is determined. Its infinitesimal stability is studied and the first approximation of parametric resonance regions is explicity derived."],"dc:identifier.uri":["http://hdl.handle.net/11422/3579"],"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":["Cascas","Vibrações","Estabilidade estrutural"],"dc:title":["Vibrações e estabilidade paramétrica de cascas axissimétricas"],"dc:type":["Tese"]},"updated_at":"2026-07-24T01:16:04Z"}