{"id":{"repo_id":"brazil-uerj","oai_identifier":"oai:pantheon.ufrj.br:11422/3650"},"canonical_url":"https://search.dev.ndltd.org/etd/brazil-uerj/oai:pantheon.ufrj.br:11422/3650","repository":{"repo_id":"brazil-uerj","name":"Brazil UERJ","base_url":"https://pantheon.ufrj.br/oai/request"},"display":{"title":"O método dos elementos de contorno aplicado à propagação transiente tridimensional de ondas","abstract":"The boundary element method was applied to study wave propagation fenomena represented by scalar functions (potential). A FORTRAN computer code was developed to solve numerically the integral equation for three-dimensional scalar wave equation (Kirchhoff integral representation). The influence in the numerical solution of employing different time interpolation functions for boundary variables, and analisis of the best choice of time intervals concerning a boundary discretization was studied. 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Constant elements in space were employed and four numerical applications were carried out using the computer code developed.","abstract_has_math":false,"creators":["Bustamante, Adolfo Ricardo Castro"],"institution":"Universidade Federal do Rio de Janeiro","degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":[],"advisors":["Mansur, Webe João"],"committee_chairs":[],"committee_members":[],"year":1986,"date_issued":"1986-07","date_published":"1986-07","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/11422/3650","outbound_label":"Handle","outbound_source":"dc:identifier.uri"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor.advisor","label":"Advisor","values":["Mansur, Webe João"]},{"key":"dc:creator","label":"Author","values":["Bustamante, Adolfo Ricardo Castro"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.accessioned","label":"Dc Date Accessioned","values":["2018-02-26T15:39:48Z"]},{"key":"dc:date.available","label":"Dc Date Available","values":["2026-05-16T03:05:18Z"]},{"key":"dc:date.issued","label":"Date","values":["1986-07"]},{"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/11422/3650"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["The boundary element method was applied to study wave propagation fenomena represented by scalar functions (potential). A FORTRAN computer code was developed to solve numerically the integral equation for three-dimensional scalar wave equation (Kirchhoff integral representation). The influence in the numerical solution of employing different time interpolation functions for boundary variables, and analisis of the best choice of time intervals concerning a boundary discretization was studied. Constant elements in space were employed and four numerical applications were carried out using the computer code developed."]},{"key":"dc:title","label":"Title","values":["O método dos elementos de contorno aplicado à propagação transiente tridimensional de ondas"]}]}],"canonical_facts":{"dc:contributor.advisor":["Mansur, Webe João"],"dc:creator":["Bustamante, Adolfo Ricardo Castro"],"dc:date.accessioned":["2018-02-26T15:39:48Z"],"dc:date.available":["2026-05-16T03:05:18Z"],"dc:date.issued":["1986-07"],"dc:description.abstract":["The boundary element method was applied to study wave propagation fenomena represented by scalar functions (potential). A FORTRAN computer code was developed to solve numerically the integral equation for three-dimensional scalar wave equation (Kirchhoff integral representation). The influence in the numerical solution of employing different time interpolation functions for boundary variables, and analisis of the best choice of time intervals concerning a boundary discretization was studied. Constant elements in space were employed and four numerical applications were carried out using the computer code developed."],"dc:identifier.uri":["http://hdl.handle.net/11422/3650"],"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":["O método dos elementos de contorno aplicado à propagação transiente tridimensional de ondas"],"dc:type":["Dissertação"]},"updated_at":"2026-07-24T01:16:07Z"}