{"id":{"repo_id":"brazil-uerj","oai_identifier":"oai:pantheon.ufrj.br:11422/3662"},"canonical_url":"https://search.dev.ndltd.org/etd/brazil-uerj/oai:pantheon.ufrj.br:11422/3662","repository":{"repo_id":"brazil-uerj","name":"Brazil UERJ","base_url":"https://pantheon.ufrj.br/oai/request"},"display":{"title":"Aplicação do método da superposição modal na análise estática não linear de estruturas","abstract":"The linear buckling mode superpositon method has been utilized as an efficient procedure for geometric nonlinear static analysis of thin-type structures with a mild nonlinear pre-buckling behaviour. This work presents a modal method extension where both geometric and physical nonlinearities are considered. For problems which the mild nonlinearity condition is not satisfied, the modal solution is corrected by a procedure based on updating of the coordinate system and on tangent stiffness concept. The physical nonlinearities are represented by nonlinear springs, and the resultant modal nonlinear equation are solved by the pseudo-force technique associated with a Newton-Raphson iteration scheme. The work includes the derivations of the equilibrium equations, considerations about a software implementation, and analysis of sime application examples.","abstract_html":"The linear buckling mode superpositon method has been utilized as an efficient procedure for geometric nonlinear static analysis of thin-type structures with a mild nonlinear pre-buckling behaviour. This work presents a modal method extension where both geometric and physical nonlinearities are considered. For problems which the mild nonlinearity condition is not satisfied, the modal solution is corrected by a procedure based on updating of the coordinate system and on tangent stiffness concept. The physical nonlinearities are represented by nonlinear springs, and the resultant modal nonlinear equation are solved by the pseudo-force technique associated with a Newton-Raphson iteration scheme. The work includes the derivations of the equilibrium equations, considerations about a software implementation, and analysis of sime application examples.","abstract_has_math":false,"creators":["Mota, Joaquim Eduardo"],"institution":"Universidade Federal do Rio de Janeiro","degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":[],"advisors":["Lima, Edison Castro Prates de"],"committee_chairs":[],"committee_members":[],"year":1986,"date_issued":"1986-12","date_published":"1986-12","updated_at":"2026-07-24T01:16:07Z","subjects":["Engenharia Civil"],"languages":["por"],"rights":["Acesso Aberto"],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"http://hdl.handle.net/11422/3662","outbound_label":"Handle","outbound_source":"dc:identifier.uri"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor.advisor","label":"Advisor","values":["Lima, Edison Castro Prates de"]},{"key":"dc:creator","label":"Author","values":["Mota, Joaquim Eduardo"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.accessioned","label":"Dc Date Accessioned","values":["2018-02-27T16:38:11Z"]},{"key":"dc:date.available","label":"Dc Date Available","values":["2026-05-16T03:00:55Z"]},{"key":"dc:date.issued","label":"Date","values":["1986-12"]},{"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/11422/3662"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["The linear buckling mode superpositon method has been utilized as an efficient procedure for geometric nonlinear static analysis of thin-type structures with a mild nonlinear pre-buckling behaviour. This work presents a modal method extension where both geometric and physical nonlinearities are considered. For problems which the mild nonlinearity condition is not satisfied, the modal solution is corrected by a procedure based on updating of the coordinate system and on tangent stiffness concept. The physical nonlinearities are represented by nonlinear springs, and the resultant modal nonlinear equation are solved by the pseudo-force technique associated with a Newton-Raphson iteration scheme. The work includes the derivations of the equilibrium equations, considerations about a software implementation, and analysis of sime application examples."]},{"key":"dc:title","label":"Title","values":["Aplicação do método da superposição modal na análise estática não linear de estruturas"]}]}],"canonical_facts":{"dc:contributor.advisor":["Lima, Edison Castro Prates de"],"dc:creator":["Mota, Joaquim Eduardo"],"dc:date.accessioned":["2018-02-27T16:38:11Z"],"dc:date.available":["2026-05-16T03:00:55Z"],"dc:date.issued":["1986-12"],"dc:description.abstract":["The linear buckling mode superpositon method has been utilized as an efficient procedure for geometric nonlinear static analysis of thin-type structures with a mild nonlinear pre-buckling behaviour. This work presents a modal method extension where both geometric and physical nonlinearities are considered. For problems which the mild nonlinearity condition is not satisfied, the modal solution is corrected by a procedure based on updating of the coordinate system and on tangent stiffness concept. The physical nonlinearities are represented by nonlinear springs, and the resultant modal nonlinear equation are solved by the pseudo-force technique associated with a Newton-Raphson iteration scheme. The work includes the derivations of the equilibrium equations, considerations about a software implementation, and analysis of sime application examples."],"dc:identifier.uri":["http://hdl.handle.net/11422/3662"],"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":["Aplicação do método da superposição modal na análise estática não linear de estruturas"],"dc:type":["Dissertação"]},"updated_at":"2026-07-24T01:16:07Z"}