Recent Submissions

  • Fatigue life estimation in a hydrogenerator rotor with cracks using the finite element method

    Putini, Ednei Pedro Gomes Autor UNESP; Silva, Fernando de Azevedo Autor UNESP (Journal of the Brazilian Society of Mechanical Sciences and Engineering, 2018) [Artigo]
    Fatigue is a mechanical engineering field which has been well studied in recent years. This phenomenon is responsible for causing the great majority of mechanical failures in machine elements. Fatigue analysis in a complex ...
  • Finite Element and Experimental Analysis of the Torsional Stiffness of a Chassis of a Baja SAE Prototype

    Motta Barbosa, Luís Felipe Ferreira Autor UNESP; Tomazini, José Elias Autor UNESP; Martins, Marcelo Sampaio Autor UNESP; Querido Moreira, Lucas Reis Rangel Autor UNESP; Tokuue Hori, Marcos Yukio Autor UNESP; Silva, Luís Felipe Santos (SAE Technical Papers, 2016) [Trabalho apresentado em evento]
    The torsional stiffness of a chassis is one of the most important properties of a vehicle's structure, once a low torsional stiffness has many negative effects, especially in handling characteristics. For the first time, ...
  • Rotor failure detection of induction motors by wavelet transform and Fourier transform in non-stationary condition

    da Costa, Cesar; Kashiwagi, Masamori Autor UNESP; Mathias, Mauro Hugo Autor UNESP (Case Studies in Mechanical Systems and Signal Processing, 2015) [Artigo]
    This case study presents two diagnostic methods for the detection of broken bars in inductionmotors with squirrel-cage type rotors: FFT method and waveletmethod. The FFT method allows detecting broken rotor bar when the ...
  • Discrete modeling and experimental validation of the model of a cantilever flexible beam

    Silva, Antônio Carlos de Assis; Gonçalves, João Bosco; Soares, Álvaro Manoel de Souza Autor UNESP (International Review on Modelling and Simulations, 2015) [Artigo]
    Cantilevered beams are studied in many ways because they are simple and largely applicable in many engineering problems. This study shows the development of a discrete dynamic model for a flexible cantilever beam and the ...
  • How to evaluate the postural balance in a more efficient and less expensive way?

    Gilberto, Cuarelli Autor UNESP; Alain, Di Donato; Julia, Misset; Adriana, Gomes Lisboa De Souza; Vania Cristina, Dos Reisa Miranda Autor UNESP; José Elias, Tomazini Autor UNESP; Guillaume, Thomann (Procedia CIRP, 2018) [Trabalho apresentado em evento]
    The assessment of postural control is important for the diagnosis and monitoring of balance disorder. Although there are qualitative and quantitative tools (Centre of pressure - CoP) for this evaluation. Some of them show ...
  • Influence of dual-task constraints on the interaction between posture and movement during a lower limb pointing task

    Silva, Marcelo Guimarães Autor UNESP; Struber, Lucas; Brandão, José Geraldo T. Autor UNESP; Daniel, Olivier; Nougier, Vincent (Experimental Brain Research, 2018) [Artigo]
    One of the challenges regarding human motor control is making the movement fluid and at a limited cognitive cost. The coordination between posture and movement is a necessary requirement to perform daily life tasks. The ...
  • Fracture resistance of flash welded and laser welded butt joints in a microalloyed HSLA steel

    Baptista, C. A.R.P.; Ribeiro, H. V.; Lima, M. S.F.; Torres, M. A.S. Autor UNESP; Costa, D. H.S. (Key Engineering Materials, 2017) [Trabalho apresentado em evento]
    High-strength, low-alloy (HSLA) steels are widely used in the automotive and oil industries due to their good mechanical properties and weldability. The selection of the welding process depends on several factors, including ...
  • Fatigue crack growth in an Al-Mg-Si alloy under negative load ratio

    Torres, M. A.S. Autor UNESP; Silva, B. R.L. Autor UNESP; Costa, D. H.S.; Baptista, C. A.R.P.; Pastoukhov, V. (Key Engineering Materials, 2017) [Trabalho apresentado em evento]
    The usual approaches for Fatigue Crack Growth (FCG) assessment are based on semiempirical models that consider the stress intensity factor range of fracture mechanics, ΔK, as the governing driving force for crack propagation. ...
  • Connecting Rod with Enhanced Performance through Fast and Precise Bolted Joint Design Methodology

    Da Silva, Rafael Aguera Rezeno Autor UNESP; De Souza Rodrigues, Alex Autor UNESP; Tomazini, José Elias Autor UNESP; Martins, Marcelo Sampaio Autor UNESP; Silva, Kauê Cruz; Santos, Michele (SAE Technical Papers, 2016) [Trabalho apresentado em evento]
    Connecting rod joint optimization is a well-known design procedure used for new cranktrains, not only for truck applications, but also for passenger cars. Big end bolted joint is one of the most critical connecting rods ...
  • Characterization of particleboards produced with Pinus spp. waste

    Silva, João Vítor Felippe Autor UNESP; Ferreira, Bruno Santos Autor UNESP; De Campos, Cristiane Inácio Autor UNESP; Christoforo, André Luis; Lahr, Francisco Antonio Rocco (Scientia Forestalis/Forest Sciences, 2016) [Artigo]
    The use of waste is essential to minimize environmental impacts; in the case of logging companies, these are in the main source of waste generation from timber processing. Wood based panels are a possibility of using these ...
  • Effect of shot peening on fatigue behavior of AISI 4340 in different loading conditions

    Harada, D. T. Autor UNESP; Cindra, Fonseca M.P. Autor UNESP; Torres, M. A.S.; Baptista, C. A.R.P. (Key Engineering Materials, 2016) [Trabalho apresentado em evento]
    Shot peening is a method widely used to improve the fatigue strength of materials, through the creation of a compressive residual stress field (CRSF) in their surface layers. In the present research the gain in fatigue ...
  • Reverse Engineering: A New Well Monitoring and Analysis Methodology Approaching Playing-Back Drill-Rate Tests in Real-Time for Drilling Optimization

    Nascimento, Andreas Autor UNESP; Elmgerbi, Asad; Roohi, Abbas; Prohaska, Michael; Thonhauser, Gerhard; Gonçalves, Jose Luiz; Mathias, Mauro Hugo Autor UNESP (Journal of Energy Resources Technology, Transactions of the ASME, 2017) [Artigo]
    Different researches have been developed during the past years aiming addressing challenges still faced in petroleum exploration. Rate of penetration and specific energy studies have been the main focuses in trying to boost ...
  • The quality of MDF workpieces machined in CNC milling machine in cutting speeds, feedrate, and depth of cut

    De Deus, Priscila Roel Autor UNESP; Alves, Manoel Cleber de Sampaio Autor UNESP; Vieira, Fabio Henrique Antunes Autor UNESP (Meccanica, 2015) [Artigo]
    Medium density fiberboard (MDF) is an industrial product created from lignocellulosic fibers and resin through the combined action of pressure and heat. Have homogeneity, dimensional stability and mechanical strength similar ...
  • Mathematical Modeling Applied to Drilling Engineering: An Application of Bourgoyne and Young ROP Model to a Presalt Case Study

    Nascimento, Andreas Autor UNESP; Tamas Kutas, David; Elmgerbi, Asad; Thonhauser, Gerhard; Hugo Mathias, Mauro Autor UNESP (Mathematical Problems in Engineering, 2015) [Artigo]
    Several mathematical ROP models were developed in the last five decades in the petroleum industry, departing from rather simple but less reliable R-W-N (drilling rate, weight on bit, and rotary speed) formulations until ...
  • Study of fatigue crack growth in al-mg-si alloys using a predictive model under positive and negative load ratios

    Espezua, Sandro V.P.; Reis Pereira Baptista, Carlos A.; da Silva Antunes, Ana M.B.; Pastoukhov, Viktor; Torres, Marcelo A. S. Autor UNESP (Advanced Materials Research, 2014) [Trabalho apresentado em evento]
    The study of fatigue crack growth (FCG) is aimed at residual life estimations in order to apply the damage tolerant criterion. Usual approaches are based on semi-empirical models that consider the stress intensity factor ...
  • The dynamic analysis of rotors mounted on composite shafts with internal damping

    De Paula Mendonca, Willy Roger Autor UNESP; De Medeiros, Everton Coelho Autor UNESP; Rezende Pereira, Artur Luiz Autor UNESP; Mathias, Mauro Hugo Autor UNESP (Composite Structures, 2017) [Artigo]
    This paper presents a study on the dynamic analysis of rotors mounted on composite shafts. The dynamic analysis of these rotors differs from conventional analysis due to the existence of internal damping in the shaft. The ...
  • EXPERIMENTAL OBSERVATION OF NONLINEAR VIBRATIONS USING A CLOSED-LOOP VIBRATION SYSTEM

    Barros, Everaldo de; Souto, Carlos d'Andrade; Mathias, Mauro Hugo Autor UNESP (Metrology And Measurement Systems, 2015) [Artigo]
    This paper presents experimental observation of nonlinear vibrations in the response of a flexible cantilever beam to transverse harmonic base excitations around its flexural mode frequencies. In the experimental setup, ...
  • EFFECT OF HEAT TREATMENT ON THE BONDING QUALITY OF WOOD VENEERS TO PLYWOOD PRODUCTION

    Ferreira, Bruno Santos Autor UNESP; Campos, Cristiane Inacio de Autor UNESP; Rangel, Elidiane Cipriano Autor UNESP (Ciencia Florestal, 2018) [Artigo]
    Plywood is a wood panel that can be used both in the furniture industry and in construction due to its structural use. However, to be used in construction, it needs to be resistant against wood decay agents and water, ...
  • Analysis of the Cutting Parameters in Front Milling for Medium Density Fiberboard

    Deus, Priscila R.; Alves, Manoel C. S. Autor UNESP; Vieira, Fabio H. A.; Bilesky, Luciano R. (Bioresources, 2018) [Artigo]
    Medium density fiberboard (MDF) is an industrial product manufactured from lignocellulosic fibers. It has homogeneity, dimensional stability, and mechanical strength compared with solid wood. Milling is a machining method ...
  • Fuzzy model to estimate the number of hospitalizations for asthma and pneumonia under the effects of air pollution

    Chaves, Luciano Eustaquio Autor UNESP; Costa Nascimento, Luiz Fernando Autor UNESP; Silva Rocha Rizol, Paloma Maria Autor UNESP (Revista De Saude Publica, 2017) [Artigo]
    OBJECTIVE: Predict the number of hospitalizations for asthma and pneumonia associated with exposure to air pollutants in the city of Sao Jose dos Campos, Sao Paulo State. METHODS: This is a computational model using fuzzy ...

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