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Validação de modelos utilizando problemas inversos
(Universidade Tecnológica Federal do ParanáCornelio ProcopioBrasilEngenharia MecânicaUTFPR, 5000)
From the beginning there is difficulty in engineering in obtaining some physical quantities and geometric properties of various applications. The approach of inverse problems enables the study of causes based on the values ...
Controle ativo de vibrações em uma viga flexível utilizando atuadores eletromagnéticos
(Universidade Tecnológica Federal do ParanáCornelio ProcopioBrasilEngenharia MecânicaUTFPR, 2018-06-11)
The present work is dedicated to the implementation of an active vibration control technique in a flexible cantilever beam using electromagnetic actuators. For the design and validation of the controllers, firstly, a ...
Induced moments and lateral deflections in columns with initial imperfections and semirigid connections:
(Universidad Nacional de Colombia Sede Medellín, 2012)
Closed-form expressions that can be used to evaluate the induced elastic bending moments and second-order deflections in slender prismatic columns with initial geometric imperfections (i.e., initial curvature and ...
Análise física e geometricamente não linear de pórticos planos peladescrição corrotacional
(Universidade Federal de Minas GeraisUFMG, 2017-08-09)
This masters thesis aims to implement models for geometrically and physically nonlinear analysis of rod structures through the Finite Elements Method in the INSANE (INteractive Structural ANalysis Environment) platform. ...
Aplicação orientada a objetos para análise físicamente não-linear com modelos reticulados de seções transversais compostas
(Universidade Federal de Minas GeraisUFMG, 2006-10-06)
This masters thesis refers to the computational implementation, according to objectoriented paradigm, of material nonlinear solution of finite element models of framed structures with composed and geometrically arbitrary ...
VALIDACION NUMÉRICA DEL AMORTIGUAMIENTO CRÍTICO PARA EL TERCER MODO DE VIBRACIÓN
(2011-06-17)
In this work, consists of two parts. One is the development and study of a modeling through the application of the theory for Euler-Bernoulli beam. And the other the simulation part of the crack is proposed by a pair of ...
Stability of solution for rao-nakra sandwich beam motel with Kelvin-Voigt damping and time delay
(Serbian Society of MechanicsSR, 2022)
This paper deals with stability of solution for a one-dimensional model of Rao–Nakra sandwich beam with Kelvin–Voigt damping and time delay given by ¿1h1¿¿¿ - ¿1h1¿¿¿ - ¿(-¿ + ¿ + ¿¿¿) - ¿¿¿¿¿ - ¿¿¿¿¿( · , ¿ - ¿) = 0, ...
Asymptotic behavior of the Rao–Nakra sandwich beam model with Kelvin–Voigt damping
(SAGE PublicationsUS, 2024)
The Rao–Nakra sandwich beam is a coupled system consisting of two wave equations for the longitudinal displacements of the top and bottom layers and an Euler–Bernoulli beam equation for the transversal displacement. This ...
Optimal design of smart structures using bonded piezoelectrics for vibration control
(2000-12-01)
Smart material technology has become an area of increasing interest for the development of lighter and stronger structures which are able to incorporate actuator and sensor capabilities for collocated control. In the design ...