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This work was basically developed by means of the following steps: a) presentation of Preissmann Implicit Method to the solution of unsteady open channel flow equations; b) study of factors affecting the equations parameters; c) presentation of gradient search optimization techniques; d) the association of Preissmann's scheme with gradient search techniques to develop parameters identification algoritms; e) application of the developed algoritm to the simulation of wave flood propagation in Capibaribe River with time-variable parameters.","abstract_html":"The development and application of optimization techniques to the parameters identification problem in flood propagation equations are presented. This work was basically developed by means of the following steps: a) presentation of Preissmann Implicit Method to the solution of unsteady open channel flow equations; b) study of factors affecting the equations parameters; c) presentation of gradient search optimization techniques; d) the association of Preissmann's scheme with gradient search techniques to develop parameters identification algoritms; e) application of the developed algoritm to the simulation of wave flood propagation in Capibaribe River with time-variable parameters.","abstract_has_math":false,"creators":["Cirilo, José Almir"],"institution":"Universidade Federal do Rio de Janeiro","degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":[],"advisors":["Silva, Rui Carlos Vieira da"],"committee_chairs":[],"committee_members":[],"year":1979,"date_issued":"1979-12","date_published":"1979-12","updated_at":"2026-07-24T01:15:56Z","subjects":["Vazões e variações de águas residuárias","Bacias hidrográficas","Algoritmos"],"languages":["por"],"rights":["Acesso Aberto"],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"http://hdl.handle.net/11422/2964","outbound_label":"Handle","outbound_source":"dc:identifier.uri"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor.advisor","label":"Advisor","values":["Silva, Rui Carlos Vieira da"]},{"key":"dc:creator","label":"Author","values":["Cirilo, José Almir"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.accessioned","label":"Dc Date Accessioned","values":["2017-10-02T15:09:42Z"]},{"key":"dc:date.available","label":"Dc Date Available","values":["2026-05-16T03:04:04Z"]},{"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":["Dissertação"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Vazões e variações de águas residuárias","Bacias hidrográficas","Algoritmos"]}]},{"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/11422/2964"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["The development and application of optimization techniques to the parameters identification problem in flood propagation equations are presented. This work was basically developed by means of the following steps: a) presentation of Preissmann Implicit Method to the solution of unsteady open channel flow equations; b) study of factors affecting the equations parameters; c) presentation of gradient search optimization techniques; d) the association of Preissmann's scheme with gradient search techniques to develop parameters identification algoritms; e) application of the developed algoritm to the simulation of wave flood propagation in Capibaribe River with time-variable parameters."]},{"key":"dc:title","label":"Title","values":["Algoritmo de gradientes conjugados aplicado à identificação de parâmetros nas equações de propagação de onda de cheia"]}]}],"canonical_facts":{"dc:contributor.advisor":["Silva, Rui Carlos Vieira da"],"dc:creator":["Cirilo, José Almir"],"dc:date.accessioned":["2017-10-02T15:09:42Z"],"dc:date.available":["2026-05-16T03:04:04Z"],"dc:date.issued":["1979-12"],"dc:description.abstract":["The development and application of optimization techniques to the parameters identification problem in flood propagation equations are presented. 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