Buscar
Mostrando ítems 41-50 de 160
Identificação de dano em estruturas utilizando uma metodologia que integra a técnica da impedância eletromecânica e ondas de LambIdentification of damage in structures using a methodology that integrates the technique of electromechanical impedance and Lamb waves
(Universidade Federal de UberlândiaBrasilPrograma de Pós-graduação em Engenharia Mecânica, 2018)
The normal electrocardiograms in the conscious newborn lambs in neonatal period and its progression
(2016-01-19)
Background: Veterinary cardiology, especially electrocardiography, has shown major advancements for all animal species. Consequently, the number of ovine species used as experimental animals has increased to date. Few ...
Utilização das Técnicas de Impedância Eletromecânica e Ondas de Lamb para Identificação de Dano em Estruturas com RebitesOn The Use of the Electromechanical Impedance and Lamb Waves techniques for Damage Detection on Riveted Structures
(Universidade Federal de UberlândiaBRPrograma de Pós-graduação em Engenharia MecânicaEngenhariasUFU, 2016)
Heteroclinic bifurcations near Hopf-zero bifurcation in reversible vector fields in R-3
(Academic Press Inc Elsevier ScienceSan DiegoEUA, 2005)
A PZT-based technique for SHM using the coherence function
(2011-06-13)
This paper presents a new approach for damage detection in structural health monitoring systems exploiting the coherence function between the signals from PZT (Lead Zirconate Titanate) transducers bonded to a host structure. ...
A PZT-based technique for SHM using the coherence function
(2011-06-13)
This paper presents a new approach for damage detection in structural health monitoring systems exploiting the coherence function between the signals from PZT (Lead Zirconate Titanate) transducers bonded to a host structure. ...
Flow estimation in a steel pipe using guided waves
(2016-09-30)
In this investigation, a flow rate estimation guided wave based scheme in pipes is
proposed. The effect of the fluid over the propagation of longitudinal waves has been
experimentally studied by using several laminar ...
Monitoramento estrutural baseado na técnica de ondas Lamb para detecção de falhas em estruturas metálicas parafusadas
(Universidade Tecnológica Federal do ParanáPato BrancoBrasilPrograma de Pós-Graduação em Engenharia CivilUTFPR, 2017-12-22)
This work aims at the study and application of a method of monitoring the integrity of a metal structure based on Lamb waves. For monitoring piezoelectric pads are used, in function on your low monetary cost. The pellets ...
Damage Characterization Using Guided-Wave Linear Arrays and Image Compounding Techniques
(Institute of Electrical and Electronics Engineers (IEEE), 2010-09-01)
In this work, a high-resolution imaging method for the inspection of isotropic plate-like structures using linear arrays and Lamb waves is proposed. The evaluation of these components is limited by the low dynamic range ...