Modern Design
Mostrando 25-36 de 194 artigos, teses e dissertações.
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25. A time-domain finite element model reduction method for viscoelastic linear and nonlinear systems
AbstractMany authors have shown that the effective design of viscoelastic systems can be conveniently carried out by using modern mathematical models to represent the frequency- and temperature-dependent behavior of viscoelastic materials. However, in the quest for design procedures of real-word engineering structures, the large number of exact evaluations o
Lat. Am. j. solids struct.. Publicado em: 2015-06
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26. Non-domination and Political Institutions: The Contested Concept of Republican Democracy
Following the republican revival of the last few decades, the ideal of freedom as non-domination has become an important point of convergence among republican theorists, especially among those associated with neo-Roman republicanism. Furthermore, all neo-Roman theorists argue that a legitimate republican polity in contemporary societies must take a democrati
Bras. Political Sci. Rev.. Publicado em: 2015-04
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27. Conception, design and development of a low-cost intelligent prosthesis for one-sided transfemoral amputees
Introduction Modern transfemoral knee prostheses are designed to offer comfort and self-confidence to amputees. These prostheses are mainly based upon either a passive concept, with a damping system, or an active computational intelligent design to control knee motion during the swing phase. In Brazil, most lower extremity amputees are unable to afford mode
Res. Biomed. Eng.. Publicado em: 2015-03
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28. Performance of broilers submitted to high CO2 levels during incubation combined with temperature fluctuations at late post-hatch
Incubation represents around 1/3 of the life cycle of broilers of modern strains; therefore, the appropriate management of this period is crucial to ensure the quality of the neonate. An experiment evaluated the effect of carbon dioxide concentrations during incubation on the live performance, heart morphology, and differential leukocyte count in the blood o
Rev. Bras. Cienc. Avic.. Publicado em: 2014-09
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29. Digestible lysine requirements of broilers
Modern broilers have been submitted to continuous genetic improvement, and therefore, their nutritional requirements must be constantly updated to ensure their performance. Two experiments were carried out to evaluate different digestible lysine levels for starter (1021 days) and grower (22-35 days) phases. The experiments were carried out with male and fema
Rev. Bras. Cienc. Avic.. Publicado em: 2014-03
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30. From numerical calculations to materials testing homologation: a biaxial fatigue reliability prediction methodology for structural components
This article investigates a fatigue approach conducted from the design phase to testing approval. It considerers modern analytical and experimental tools for structural durability assessment over each development phase for two reference components aiming an early approval methodology validation for a new design. A Finite element analysis procedure was used t
Mat. Res.. Publicado em: 23/07/2013
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31. On the design of nano-arm fractal antenna for UWB wireless applications
This paper presents the design of a nano-arm fractal antenna suitable for ultra wide band applications. The CPW-feed and fractal concept have been used to achieve the ultra wide bandwidth. The shape of the fractal geometry, the number of iterations and the number of nano-arms are the deciding factors for achieving wider impedance bandwidth. The experimental
J. Microw. Optoelectron. Electromagn. Appl.. Publicado em: 2013-06
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32. Maximization of Fundamental Frequency of Laminated Composite Cylindrical Shells by Ant Colony Algorithm
ABSTRACT: The success in developing modern aerospace systems addresses competitive subjects as optimization, reduced costs, sustainability, environment, weight, and safety. There is an increased demand for lighter materials such as laminated composites. In order to match the demand of aeronautical companies, the shell structures are very important. The dynam
J. Aerosp. Technol. Manag.. Publicado em: 2013-03
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33. Química Sem Fronteiras: o desafio da energia
Coal, natural gas and petroleum-based liquid fuels are still the most widely used energy sources in modern society. The current scenario contrasts with the foreseen shortage of petroleum that was spread out in the beginning of the XXI century, when the concept of "energy security" emerged as an urgent agenda to ensure a good balance between energy supply and
Quím. Nova. Publicado em: 2013
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34. Orçamento participativo: os limites da inovação institucional em Cuiabá-MT / Participative budget: the limits of institutional innovation in Cuiabá-MT/Brazil
The democratization process in Brazil in recent decades resulted from the combination of different forms of collective mobilization and changes in the state apparatus. The end of authoritarianism and democracy openness produced new sociopolitical arrangements of popular participation and enhancement of citizenship, through of creation of inclusive mechanisms
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 14/12/2012
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35. Os projetos residenciais não-construídos de Vilanova Artigas em São Paulo / The Vilanova Artigas unbuilt residential designs in São Paulo
O objeto desta tese, inserida na área de concentração de Projeto de Arquitetura e apoiada pelo CNPq, é o conjunto de trinta e nove projetos residenciais não-construídos de João Batista Vilanova Artigas no Estado de São Paulo, disponíveis no acervo digital da Biblioteca da FAUUSP (1941-1981). O objetivo é analisar este conjunto de projetos, individu
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 27/11/2012
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36. Sociabilidade e modernidade nos espaços de lazer da capital cearense do início do século XX (1901 a 1910)
The practices of sociability and culture of a society is a rich field to understand the social relations between the individuals who constitute it. In this study, we get to investigate how these forms and practices were related to the idea and the desire for modernity of the city of Fortaleza, capital of Ceará in the early twentieth century (1901-1910), aro
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 22/06/2012