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Análise modal numérica de uma estrutura do tipo Baja
(Universidade Tecnológica Federal do ParanáCornelio ProcopioBrasilEngenharia MecânicaUTFPR, 2019-07-04)
Modal analysis is the study of vibrations, more specifically about the dynamic properties of systems at the frequency domain. When projecting a structure in engineering, the modal analysis utilizes the total mass and ...
Projeto, análise modal por elementos finitos e desenvolvimento de uma bancada de testes experimental
(Universidade Tecnológica Federal do ParanáCornelio ProcopioBrasilEngenharia MecânicaUTFPR, 2014-02-13)
The work presents the project and construction of a support structure for a centrifugal extractor fan. Some basic models were elaborated using SolidWorks® 2013. It was developed numerical studies using the software Ansys® ...
Aplicação do método de superposição modal para análise dinâmica de estruturas
(Universidade Tecnológica Federal do ParanáCornelio ProcopioBrasilEngenharia MecânicaUTFPR, 2015-06-10)
This work presents an analysis of the dynamic behavior of a structure with four degrees of freedom through application of the Mode-Superposition Method. For the determination of modes to vibrate and natural frequencies ...
Detecção de danos em vigas empregando o método das diferenças nas curvaturas modais
(Universidade Tecnológica Federal do ParanáCampo MouraoBrasilDepartamento Acadêmico de Construção CivilEngenharia CivilUTFPR, 2014)
The presence of damage to the structures may decrease its mechanical strength, reduce its lifetime and cause insecurity to the users. In recent years, the monitoring of structural behavior has gained great importance along ...
Avaliação experimental da aplicação do método das diferenças nas curvaturas modais para detecção de danos em perfis metálicos
(Universidade Tecnológica Federal do ParanáCampo MouraoBrasilEngenharia CivilUTFPR, 2016-06-13)
The structural engineering has advanced in design techniques and, mainly, in pathologies diagnosis and lifespan of your buildings. There are several methodologies for verify stability of a structure and, within Non-Destructive ...
Análise numérica e experimental de estruturas utilizando pastilhas piezoelétricas
(Universidade Tecnológica Federal do ParanáCornelio ProcopioBrasilEngenharia MecânicaUTFPR, 2016-06-08)
This work proposes the study of a piezoelectric material attached to a metallic plate as both sensor and actuator. The piezoelectric material used is the lead zieconate titanate, known as PZT. To accomplish this study, ...
Análise modal numérica de um conjunto porta e retrovisor de um automóvel
(Universidade Tecnológica Federal do ParanáPato BrancoBrasilDepartamento Acadêmico de MecânicaEngenharia MecânicaUTFPR, 2019-06-19)
Modal analysis is a process by which a structure is described by its natural characteristics (natural frequencies, damping factors and mode shapes). The door and the rear-view mirror of a vehicle, when subjected to the ...
Análise modal de aerogeradores onshore com torres em aço utilizando um software de modelagem computacional
(Universidade Federal do Rio Grande do NorteBrasilUFRNEngenharia Civil, 2021-04-22)
This research aims to carry out a brief review of the literature bringing the main characteristics, classifications and concepts regarding onshore wind turbines and to carry out, in parallel, a modal dynamic analyzes of a ...
Estudo de técnicas para a determinação da matriz de amortecimento em sistemas estruturais
(Universidade Tecnológica Federal do ParanáPato BrancoBrasilDepartamento Acadêmico de MecânicaEngenharia MecânicaUTFPR, 2015-11-20)
This work aims at applying methods to determine the damping matrix structures, building on the work theoretically developed by Adhikari (2000) and Pilkey (1998). The buffer is used in monitoring structures aids in controlling ...
Avaliação numérica do método das diferenças nas curvaturas modais na detecção de danos em vigas
(Universidade Tecnológica Federal do ParanáCampo MouraoBrasilEngenharia CivilUTFPR, 2015-11-19)
The structures, during it’s lifetime are subject to actions which can bring on damages as natural deterioration, corrosion and fatigue of the materials used. Damages not detected in early stages can lead to fails, committing ...