Testing With Scale Models
Mostrando 1-12 de 20 artigos, teses e dissertações.
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1. Rosenberg Self-Esteem Scale: Method Effect and Gender Invariance
Resumo O presente estudo objetivou avaliar a dimensionalidade da Escala de Autoestima de Rosenberg (EAR), testando o ajuste de oito modelos fatoriais: unifatorial, bifatorial, e seis modelos unifatoriais controlando-se o efeito do método associado à redação dos itens negativos e positivos através das estratégias correlated traits-correlated uniqueness
Psico-USF. Publicado em: 10/10/2019
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2. Scaling of An Impacted Reticulated Dome Using Partial Similitude Method
Abstract Strain-rate effects can distort model testing with geometrically-similar models. In impact modelling this problem is usually addressed by revising the impact conditions, but such kind of method is inadequate for modelling impact on a reticulated dome. A new technique was proposed and tested. Apart from adjusting the impact conditions, the technique
Lat. Am. j. solids struct.. Publicado em: 14/03/2019
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3. Slow Cook-Off Simulation of PBX Based on RDX
ABSTRACT: Cook-off tests are commonly used to assess thermal behaviour of energetic materials under external thermal stimuli. Numerical simulation became a powerful tool to reduce the costs with experimental tests. However, numerical simulations are not able to predict the violence of thermal response, but instead accurately reproduce radial heat flow in the
J. Aerosp. Technol. Manag.. Publicado em: 2017-06
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4. Evaluation of 12 m Long Turned Down Guardrail End Terminal Using Full-Scale Crash Testing and Simulation
Abstract The beginnings and ends of guardrail designs have the function of providing adequate anchorage for the rest of the system. They should also demonstrate crashworthy performance and should not pose any hazard for errant vehicles. In Europe, the ends of guardrail systems traditionally have incorporated turned down end terminals. Due to its low cost, Tu
Lat. Am. j. solids struct.. Publicado em: 2016-12
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5. Modelos não lineares sob a classe de distribuições misturas da escala skew-normal / Nonlinear models based on scale mixtures skew-normal distributions
Neste trabalho estudamos alguns aspectos de estimação e diagnóstico de influência global e local de modelos não lineares sob a classe de distribuição misturas da escala skew-normal, baseado na metodologia proposta por Cook (1986) e Poon &Poon (1999). Os modelos não lineares heteroscedásticos também são discutidos. Esta nova classe de modelos const
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 08/07/2010
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6. Effects of microstructure on the fatigue crack growth behavior of light metals and design considerations
Fatigue crack growth mechanisms of long and small cracks were investigated in cast and wrought aluminum and titanium alloys with various microstructures (as-cast A535, 6061-T61, and mill-and beta annealed Ti-6Al-4V). In addition, friction stir welded and cold spray processed 6061-T61 were also investigated. The effects of microstructure on the fatigue crack
Matéria (Rio de Janeiro). Publicado em: 2010
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7. Estudo de uma metodologia para o dimensionamento de um tanque de provas do tipo reboque. / Study of a methodology for the desing of a towink tank.
Um tanque de provas do tipo reboque permite a realização de ensaios hidrodinâmicos com modelos em escala, sua presença é importante devido à possibilidade de obter características hidrodinâmicas que dimensionam a potência e qualidade do comportamento dos navios durante a sua operação, otimizando os projetos de forma particular ou geral, tanto para
Publicado em: 2010
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8. Medições do saldo de radiação em copas de cafeeiros e limeiras ácidas por sistemas de integração espaço-temporal e estimativas por técnicas de modelagem / Measurements of net radiation of the canopy of coffee and acid lime trees in hedgerows by spatiotemporal integration systems and estimates by modelling techniques
The amount of radiant energy absorbed by the canopy of trees has great application in photosynthesis and transpiration research. Studies of radiation interception by the canopies of an isolated or a sequence of trees in hedgerows have been carried out by a technique which employs moving radiometers around an isolated tree (spherical geometry of measurement)
Publicado em: 2010
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9. Aceleração da consolidação em solos tropicais com drenos condutores elétricos / Acceleration of consolidation on tropical soil with electro conductor drain
The electrokinetic method has been studied by a growing number of research centers, in application such as mining engineering, civil and environmental engineering, food and sports. To meet the application needs it was necessary to develop a new technology that combines a variety of materials, functions and processes for the implementation of specific activit
Publicado em: 2009
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10. Genetic analysis of resistance to anthracnose leaf blight in maize. / Análise genética da resistência à antracnose foliar em milho.
The objectives of this work were to study the inheritance of resistance to anthracnose leaf blight, estimate the genetic parameters, and identify molecular markers associated with resistance genes to this disease. Genetic parameters were estimated based on the analysis of mixed inheritance models in six generations of four crosses between two resistant (DAS4
Publicado em: 2004
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11. Projeto de atuadores piezelétricos flextensionais usando o método de otimização topológica. / Design of flextensional piezoelectric actuator using the topology optimization method.
Flextensional Piezoelectric Actuators consist of a flexible structure actuated by piezoelectric ceramics (or a stack of piezoceramics). The flexible structure connected to the piezoceramic must generate displacements and forces in different specified points of the domain, according to a specific direction. These actuators are applied to precision mechanic ap
Publicado em: 2003
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12. Inference of conversion and purity for ETBE reactive distillation
Reactive distillation (RD), an unconventional and attractive technique, has been applied in fuel ether production. A typical application of RD is the synthesis of the widely used methyl tert-butyl ether (MTBE). RD has also been found to have potential to produce high quality ethyl tert-butyl ether (ETBE), a potential alternative to MTBE. A RD process integra
Brazilian Journal of Chemical Engineering. Publicado em: 2000-12