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Araújo, José Milton de
(1989)
The Newton-Raphson method is used for the nonlinear analysis of reinforced concrete structures. Three extrapolation formulas for displacements are developed in order to accelerate the convergence of the iterative scheme. ...
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Melo Filho, Eloi; Guza, Robert
(1991)
A model for the propagation of sea and swell waves in a channel
bounded by rubble-mound jetties is presented. The model combines elements of
earlier work on waves normally incident on a breakwater with a modified ...
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Melo Filho, Eloi; Guza, Robert
(1991)
Field measurements of surface gravity waves along the center line of
the straight, 1 km long, 8 m deep, 250 m wide Mission Bay entrance channel
(bounded by rubble-mound jetties) are compared to a model developed in a ...
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Almeida, Jorge Alberto; Mendes, Paulo Roberto de Souza
(1992)
Heat transfer coefficients and pressure drop data were determined experimentally for the turbulent flow in circular ducts equipped with internal transverse ribs, that is, ribs normal to the flow. Both fully developed and ...
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Araújo, José Milton de; Awruch, Armando Miguel
(1994)
This paper considers the stochastic finite element analysis of structures resulting from random spatial variability of material properties, when they are subjected to loads of deterministic nature. Direct Monte Carlo ...
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Pinto, Ernesto Luiz Casares; Krusche, Nisia; Piccoli, Humberto Camargo
(1996)
This article discusses the spectral analysis of daily meteorological data, extracted from the Meteorological Center of the University of Rio Grande (FURG). The time series corresponds to temperature, atmospheric pressure, ...
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Araújo, José Milton de; Awruch, Armando Miguel
(1996)
Cracking analysis by the finite element method may be accomplished using a continuum damage theory, but results are strongly affected by the adopted finite element mesh. A reduced tensile strength has been proposed in order ...
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Piccoli, Humberto Camargo; Webber, Hans Ingo
(1998)
This paper presents an application for chaotic motion identification in a measured signal obtained in an experiment. The method of state space reconstruction with delay co-ordinates with the dynamic evolution ...
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Araújo, José Milton de; Awruch, Armando Miguel
(1998)
The cracking phenomenon in concrete gravity dams during the construction phase is analysed in this work. Stresses due to the self-weight of the dam, thermal gradients, creep and drying shrinkage are computed, taking into ...
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Araújo, José Milton de; Awruch, Armando Miguel
(1998)
A methodology for the probabilistic analysis of concrete gravity dams is presented, Concrete properties and seismic excitation are considered as random variables. The seismic excitation is considered as a non-stationary ...
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Melo Filho, Eloi
(1998)
Este trabalho apresenta uma contribui-
ção no sentido de inserir o tópico canais de maré
no escopo da hidráulica de canais tradicional. As
peculiaridades próprias dos escoamentos em
canais fluviais e em canais de maré ...
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Brasil, Antônio Domingues; Fiod Neto, Miguel
(1998)
This is a study about knowledge and the use of methods for development of products,based on interviews with professionals from thirty medium and large firms within the states of Santa Catarina and Rio Grande do Sul,Brazil. ...
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Alves, Jose Henrique Gomes de Mattos; Melo Filho, Eloi
(1999)
The detailed reconstruction of the directional spectrum of wind waves from measurements of the wave field is an essential requirement for
several applications, including the numerical modeling of wave evolution. Three ...
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Teixeira, Paulo Roberto de Freitas; Awruch, Armando Miguel
(1999)
An algorithm to simulate 3-D high compressible flows using the finite element method and a multi-time-step integration technique with subcycles is presented in this work. An explicit two-step Taylor-Galerkin scheme is ...
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Guimarães, André Tavares da Cunha; Helene, Paulo Roberto do Lago; Quarcione, Valdecir Angelo
(2000)
Esse trabalho tem por objetivo o desenvolvimento de método para a obtenção de modelos de durabilidade em estruturas de concreto armado localizadas em ambiente marítimo. Este método foi desenvolvido realizando-se ...
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Bastos, Cezar Augusto Burkert; Milititsky, Jarbas; Gehling, Wai Ying Yuk
(2000)
A erodibilidade, particularizada como a susceptibilidade a erosão hídrica por fluxo superficial concentrado, é uma das propriedades de comportamento dos solos de maior complexidade pelo grande número de variáveis intervenientes. ...
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Araújo, José Milton de
(2000)
Neste trabalho é feito um estudo sobre a correlação existente entre o módulo de deformação longitudinal do concreto e sua resistência à compressão. Diversos resultados experimentais disponíveis na bibliografia são utilizados ...
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Piccoli, Humberto Camargo
(2000)
Este trabalho apresenta uma investigação de uma série temporal que exibe comportamentos não linear e linear em diferentes intervalos de tempo. Além da tradicional análise espectral, realizada em ambos os intervalos observados ...
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Valente, Antônio Luís Schifino
(2000)
Este trabalho apresenta uma proposta metodológica de estruturação de um banco de dados digital para armazenamento, fácil consulta e visualização de parâmetros e informações sobre o meio físico de interesse na Geotecnia. A ...
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Teixeira, Paulo Roberto de Freitas; Awruch, Armando Miguel
(2000)
A numerical algorithm to simulate 3-D incompressible flows of viscous fluids employing the finite element method is presented in this work. Space and time discretization of the complete set of differential equations were ...
