RSS 1.0Departamento de Engenharia Mecânica
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Digital image-stitching techniques applied to dynamic measurement of large structures
Sabino, Danilo Damasceno
; Pereira, Joao Antonio ; (Journal of the Brazilian Society of Mechanical Sciences and Engineering, 2018) [Artigo]
In this work has been discussed a propose of using three-dimensional point-tracking measuring technique for measurement of large structures in which the entire field of interest could not be captured by a unique stereo-vision ... -
Magnetic nanocomposites (SR/IRON) type isotropic MRE directed to vibration absorption systems
Bellucci, Felipe Silva; Paschoalini, Amarildo Tabone ; Fukushima, Jeferson Camargo ; De Sousa Obata, Daniel Henrique ; De Almeida, Fabricio Cesar Lobato ; Job, Aldo Eloizo (2017 IEEE 17th International Conference on Nanotechnology, NANO 2017, 2017) [Trabalho apresentado em evento]
In recent decades, an increasing effort has been made not only to foster cost-effective, competitive and innovative industries but also to create smart materials. In this work, we present the morphological, magnetic and ... -
Reliability of using stereo photogrammetry to estimate modal parameters
Sabino, Danilo Damasceno; ; Pereira, Joao Antonio ; (Conference Proceedings of the Society for Experimental Mechanics Series, 2017) [Trabalho apresentado em evento]
Stereophotogrammetry is a three-dimensional full-field measurement technique that has gained more importance in the area of modal analysis in the past few years. In this technique, full-field data can be taken in a single ... -
The derivative as a probabilistic synthesis of past and future data and remaining useful life prediction
Damasceno, Berenice Camargo; Barbanti, Luciano ; Kuzminskas, Hadamez ; Bazani, Márcio Antonio (Probabilistic Prognostics and Health Management of Energy Systems, 2017) [Capítulo de livro]
The concept of remaining useful life (RUL) is crucial when dealing with mechanical systems. RUL is taken into account in a system through a series of prognostics and the study of stability in a related data series. This ... -
A review of crack propagation modeling using peridynamics
; Bazani, Márcio Antonio; Paschoalini, Amarildo Tabone ; Barbanti, Luciano (Probabilistic Prognostics and Health Management of Energy Systems, 2017) [Capítulo de livro]
Improvements on prognostics and health management (PHM) techniques are extremely important in order to prevent system failure and reduce costs with maintenance and machine downtime. In the particular case of system components ... -
An Illustration of some methods to detect faults in geared systems using a simple model of two meshed gears
de Almeida, Fabrício Cesar Lobato; Carlos Gonçalves, Aparecido ; Brennan, Michael John ; Paschoalini, Amarildo T. ; Arato Junior, A. ; (Probabilistic Prognostics and Health Management of Energy Systems, 2017) [Capítulo de livro]
Gears are the components in many mechanical systems that are likely to develop faults due to their dynamic characteristics, such as the cyclic loading applied to the meshing teeth. The main faults in gears are pitting and ... -
Data analysis in python: Anonymized features and imbalanced data target
Woiski, Emanuel Rocha (Probabilistic Prognostics and Health Management of Energy Systems, 2017) [Capítulo de livro]
Remaining useful life (RUL) of an equipment or system is a prognostic value that depends on data gathered from multiple and diverse sources. Moreover, assumed for the sake of the present study as a binary classification ... -
Stiffness nonlinearity in structural dynamics: Our friend or enemy?
Brennan, Michael John (Probabilistic Prognostics and Health Management of Energy Systems, 2017) [Capítulo de livro]
The effects of nonlinearity, particularly stiffness nonlinearity, has been of concern to structural engineers for many years. Primarily this has been because this type of nonlinearity can cause unpredictable dynamics, and ... -
Biomechanical Stress and Strain Analysis of Mandibular Human Region from Computed Tomography to Custom Implant Development
; ; Tokimatsu, Ruís Camargo; Pereira, João A. (Advances in Materials Science and Engineering, 2017) [Artigo]
Currently computational tools are helping and improving the processes and testing procedures in several areas of knowledge. Computed tomography (CT) is a diagnostic tool already consolidated and now beginning to be used ... -
Wear and corrosion properties of HVOF coatings from Superduplex alloy modified with addition of boron
; ; ; Gallego, Juno; ; ; (Surface and Coatings Technology, 2017) [Artigo]
Fe-based protective coatings are promising alternatives to replace large or expensive mechanical structures in aggressive environments, such as, in petrochemical industries. In this work, we have evaluated the corrosion ... -
A state-of-the-art review on pool boiling on nanostructure surfaces
Ignácio, Isabela; Cardoso, Elaine Maria ; Gasche, José Luiz ; (ASME 2015 13th International Conference on Nanochannels, Microchannels, and Minichannels, ICNMM 2015, collocated with the ASME 2015 International Technical Conference and Exhibition on Packaging and Integration of Electronic and Photonic Microsystems, 2015) [Trabalho apresentado em evento]
The differences in the heat transfer coefficient (HTC) and critical heat flux (CHF) behaviors between nanostructured and smooth surfaces are attributed to modifications on the surface wettability and capillarity effects ... -
Analysis of toxicity of ceramic nanoparticles and functional nanocomposites based on vulcanized natural rubber
Bellucci, Felipe Silva; Fukushima, Jeferson Camargo ; ; Nobre, Marcos Augusto Lima ; Paschoalini, Amarildo Tabone ; Job, Aldo Eloizo (MATEC Web of Conferences, 2015) [Trabalho apresentado em evento]
Nanocomposites are multiphase materials of which, at least one of the phases, has a dimension smaller than 100 nm. These materials have attracted technological and scientific interest due to their multifunctional characteristics ... -
Evolution of thermal properties of natural rubber nanocomposites functionalized by nickel–zinc ferrite and potassium strontium niobate nanopowders
Bellucci, Felipe Silva; Almeida, Fabricio César Lobatode ; da Silva Agostini, Deuber Lincon ; Nobre, Marcos Augusto Lima ; Paschoalini, Amarildo Tabone ; Job, Aldo Eloizo (Journal of Thermal Analysis and Calorimetry, 2016) [Artigo]
Several composites and nanocomposites based on a polymeric matrix and ceramic fillers are being pursued for use as multifunctional and innovative materials. Nevertheless, there is a series of challenges to be solved in ... -
Escoamento laminar em dutos de setor circular
; Ramos, Ricardo Alan Verdú; Maia, Cassio Roberto Macedo (Ciencia y Engenharia/ Science and Engineering Journal, 2015) [Artigo]
The fluid flow inside ducts is of great importance in engineering, because it is present in most domestic, commercial, and industrial application equipments. In this work was presented a hybrid analytical-numerical solution ... -
Application of titanium machining chips in welding consumables for wear-resistant hardfacing
Fagundes Junior, José Gedael; ; Tokimatsu, RuÃs Camargo ; Ventrella, Vicente Afonso ; Gallego, Juno (Welding International, 2016) [Artigo]
Equipment of sugar cane plants and mineral extraction are submitted to severe abrasive wear conditions. Welded hardfacings are usually applied to repair this kind of damage, where commercial chromium/carbon-rich welding ... -
Magnetic properties of vulcanized natural rubber nanocomposites as a function of the concentration, size and shape of the magnetic fillers
Bellucci, Felipe Silva; Lobato De Almeida, Fabricio César ; Lima Nobre, Marcos Augusto ; ; Paschoalini, Amarildo Tabone ; Job, Aldo Eloizo (Composites Part B: Engineering, 2016) [Artigo]
Nickel-zinc ferrites as well as their nanocomposites formed by natural rubber are desirable because they take advantage of the thermal, mechanical and magnetic properties of each component. However, to date, the effect of ... -
Active angular control of a sectioned airfoil using shape memory alloys and fuzzy controller
de Abreu, Gustavo Luiz Chagas Manhães; Maesta, Marcelo F. ; Lopes Junior, Vicente ; ; ; (Journal of the Brazilian Society of Mechanical Sciences and Engineering, 2015) [Artigo]
The present work illustrates an example of shape memory alloys and fuzzy controllers applied to active angular control of a sectioned airfoil. The main objective of the proposed control system is to modify the camber line ... -
Reciclagem de cavacos de titânio para a deposição de revestimentos duros por soldagem
Fagundes Júnior, José Gedael; Ventrella, Vicente Afonso ; Gallego, Juno (Soldagem e Inspecao, 2015) [Artigo]
Titanium element is a noble metal and owns excellent biomechanical properties. The necessity for utilization dental implants fabricated with titanium alloys have caused an increased in generation of residue as a result of ... -
Damage detection in uncertain nonlinear systems based on stochastic Volterra series
Villani, Luis G.G.; da Silva, Samuel ; (Mechanical Systems and Signal Processing, 2018) [Artigo]
The damage detection problem in mechanical systems, using vibration measurements, is commonly called Structural Health Monitoring (SHM). Many tools are able to detect damages by changes in the vibration pattern, mainly, ... -
On the response at the excitation frequency of a two degrees of freedom nonlinear oscillator
; Brennan, Michael J.; (AIMETA 2017 - Proceedings of the 23rd Conference of the Italian Association of Theoretical and Applied Mechanics, 2017) [Trabalho apresentado em evento]
This paper presents an overview of the main theoretical advances and experimental analyses, achieved by the authors in recent years of collaborative research in the field of nonlinear dynamics of coupled oscillators. The ...