Search Results - "Brasil, Reyolando M.L.R.F"

Analytical determination of the vibration frequencies and buckling loads of slender reinforced concrete towers by Wahrhaftig, Alexandre de M., Silva, Marcelo A. da, Brasil, Reyolando M. L. R. F.

“…Abstract This study focused on improving the design of slender structures with reinforced concrete (RC) telecommunication towers as the main application…”
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Jump Attenuation in a Non-Ideal System Using Shape Memory Element by Kossoski, Adriano, Tusset, Angelo M., Janzen, Frederic C., Rocha, Rodrigo T., Balthazar, Jose M., Brasil, Reyolando M.L.R.F., Nabarrete, Airton

“…The studies on the so-called smart materials have grown in the last years due to the diverse possibilities that these materials can provide. These types of…”
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Experimental study of the wind forces on rectangular latticed communication towers with antennas by Carril, Célio F, Isyumov, Nicholas, Brasil, Reyolando M.L.R.F

“…With today's expanding communication systems, a large number of lattice towers to support cellular antennas are being constructed in Brazil. Due to the…”
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On Saturation Control of a Non-Ideal Vibrating Portal Frame Foundation Type Shear-Building by Felix, Jorge L. Palacios, Balthazar, José M., Brasil, Reyolando M. L. R. F.

“…In this paper, we examine the nonlinear control method based on the saturation phenomenon and of systems coupled with quadratic nonlinear ties applied to a…”
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Vibration analysis of mobile phone mast system by Rayleigh method by Wahrhaftig, Alexandre de M., Brasil, Reyolando M.L.R.F.

“…•Rayleigh method is applied to a 48-m-high and a 30-m-high masts to find its fundamental frequency.•Properties of mast structures vary along its…”
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An overview on the appearance of the Sommerfeld effect and saturation phenomenon in non-ideal vibrating systems (NIS) in macro and MEMS scales by Balthazar, José M., Tusset, Angelo M., Brasil, Reyolando M. L. R. F., Felix, Jorge L. P., Rocha, Rodrigo T., Janzen, Frederic C., Nabarrete, Airton, Oliveira, Clivaldo

“…This paper was written in honor of Prof. Viktor Olimpanovich Kononenko from Ukraine and takes into account reports of recent progress about non-ideal vibrating…”
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Updating the bearing capacity, stresses, and strain for retrofitting reinforced concrete towers of the cellular and internet system by Wahrhaftig, Alexandre de M., Magalhães, Kaique M. M., Brasil, Reyolando M. L. R. F.

“…To retrofit reinforced concrete telecommunication towers, it is necessary to update their parameters because the structure's bearing capacity is no longer the…”
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Evaluation of Mathematical Solutions for the Determination of Buckling of Columns Under Self-weight by Wahrhaftig, Alexandre de M., Magalhães, Kaique M. M., Brasil, Reyolando M. L. R. F., Murawski, Krzysztof

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Non-linear Energy Sink Applied in the Vibration Suppression of a High-Speed Elevator System and Energy Harvesting by Tusset, Angelo M., Fuziki, Maria E. K., Lenzi, Giane G., dos Santos, Guilherme P., Balthazar, Jose M., Brasil, Reyolando M. L. R. F.

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Remarks on optimization of impact damping for a non-ideal and nonlinear structural system by Silva, Marcelo A, Wahrhaftig, Alexandre M, Brasil, Reyolando MLRF

“…It is intended, in this work, to present some research results on the optimization of an impact damper for a structural system excited by a non-ideal power…”
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Nonlinear Degradation Analysis of Arch-Dam Blocks by Using Deterministic and Probabilistic Seismic Input by Zacchei, Enrico, Molina, José Luis, Brasil, Reyolando M. L. R. F.

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Initial undamped resonant frequency of slender structures considering nonlinear geometric effects: the case of a 60.8 m-high mobile phone mast by M. Wahrhaftig, Alexandre de, Brasil, Reyolando M. L. R. F.

“…In this study, an analytical approach based on the Rayleigh method is adopted to calculate the first resonant frequency of a 60.80 m-high mobile phone mast…”
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Statements on nonlinear dynamics behavior of a pendulum, excited by a crank-shaft-slider mechanism by Avanço, Rafael Henrique, Navarro, Hélio Aparecido, Brasil, Reyolando M. L. R. F., Balthazar, José Manoel, Bueno, Átila Madureira, Tusset, Angelo Marcelo

“…The nonlinear dynamics behavior analyzed, in this paper, consists in a pendulum vertically excited on the support by a crank-shaft-slider mechanism. The…”
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The first frequency of cantilevered bars with geometric effect: a mathematical and experimental evaluation by de M. Wahrhaftig, Alexandre, Brasil, Reyolando M. L. R. F., Balthazar, José M.

“…In engineering, a large number of structures may be modeled as cantilevers. Due to their intrinsic characteristics, some of these structures are sensitive to…”
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An Overview on Non-Ideal Vibrations by Balthazar, J M, Mook, D T, Weber, H I, Brasil, RMLRF, Fenili, A, Belato, D, Felix, J L P

“…We analyze the dynamical coupling between energy sources and structural response that must not be ignored in real engineering problems, since real motors have…”
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Short Comments on Self-Synchronization of Two Non-Ideal Sources Supported by a Flexible Portal Frame Structure by Balthazar, Jose M., Felix, Jorge L. Palacios, Brasil, Reyolando M. L. R. F

“…A practical problem of synchronization of a non-ideal (i.e. when the excitation is influenced by the response of the system) and non-linear vibrating system…”
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On tuned liquid column dampers mounted on a structural frame under a non-ideal excitation by Felix, Jorge L.P., Balthazar, José M., Brasil, Reyolando M.L.R.F.

“…The current trend towards buildings of ever increasing heights and the use of light-weight, high-strength materials and advanced construction techniques have…”
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Optimization of Elevated Concrete Foundations for Vibrating Machines by Silva, Marcelo A, Arora, Jasbir S, Swan, Colby C, Brasil, Reyolando M. L. R. F

“…The objective of this study is to describe a problem formulation and an optimization procedure for the design of elevated reinforced concrete foundations for…”
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Effect of static loading on the nonlinear vibrations of a three-time redundant portal frame: Analytical and numerical studies by Mazzilli, Carlos E. N., Brasil, Reyolando M. L. R. F.

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