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Isoldi, Liércio André; Grimmler, Juliana do Amaral Martins; Letzow, Max; Souza, Jeferson Avila; Gomes, Mateus das Neves; Rocha, Luis Alberto Oliveira; Santos, Elizaldo Domingues dos
(2015)
The oceans represent one of the major energy natural resources, which potentially can be used to supply the World energy demand. In the last decades some devices to convert the wave ocean energy into electrical energy have ...
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Oliveira, Cristiano Peres; Souza, Jeferson Avila; Isoldi, Liércio André; Rocha, Luiz Alberto Oliveira; Amico, Sandro Campos; Silva, Rafael Diego Sonaglio da
(2010)
Resin Transfer Molding (RTM) is a manufacturing process for polymer composites parts for a variety of uses. The numerical simulation of the resin flow into the mold can be used to minimize costs related to mold design and ...
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Gomes, Mateus das Neves; Isoldi, Liércio André; Santos, Elizaldo Domingues dos; Rocha, Luiz Alberto Oliveira
(2012)
Este trabalho apresenta uma metodologia para a geração numérica de ondas em tanques e também um estudo de malhas a serem utilizadas em simulações numéricas da propagação de ondas regulares bidimensionais em tanques. São ...
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Silva, Jair Vignolle da
(2008)
Ao longo do litoral norte e médio do RS, entre Torres e Mostardas, o relevo do fundo é
homogêneo, suave, íngreme e com variações batimétricas e sedimentológicas da antepraia e da plataforma continental interna. Ao norte ...
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Silva, Jair Vignolle da; Teixeira, Paulo Roberto de Freitas; Calliari, Lauro Júlio
(2008)
O objetivo deste trabalho é o analisar numericamente a variação de energia de ondas nesta região, investigando a influência das variações da largura da plataforma interna e
da largura de antepraia, e da fricção com o fundo ...
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Helbig, Daniel; Real, Mauro de Vasconcellos; Rocha, Luiz Alberto Oliveira; Santos, Elizaldo Domingues dos; Isoldi, Liércio André
(2013)
A crescente necessidade de estruturas com propriedades mecânicas superiores impulsiona o desenvolvimento de novos tipos de materiais, dentre os quais se destacam os materiais compósitos laminados reforçados por fibras. ...
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Araújo, Douglas Bezerra de; Teixeira, Paulo Roberto de Freitas; Cunda, Luiz Antonio Bragança da
(2013)
Welding processes are considered a thermal-mechanical-metallurgical coupled issue. The most important boundary condition in the thermal analysis is the heat source model. Although many studies have been carried out to ...
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Gomes, Mateus das Neves; Olinto, Cláudio Rodrigues; Rocha, Luiz Alberto Oliveira; Souza, Jeferson Avila; Isoldi, Liércio André
(2009)
This paper presents two different numerical methodologies to generate regular gravity waves in a wave tank. We performed numerical simulations of wave generation through the FLUENT® package, using the Volume of Fluid (VOF) ...
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Porto, Joseane da Silva; Letzow, Max; Santos, Elizaldo Domingues dos; Amico, Sandro Campos; Souza, Jeferson Avila; Isoldi, Liércio André
(2012)
Light Resin Transfer Molding (LRTM) is a variation of the conventional manufacturing process known as Resin Transfer Molding (RTM). In general terms, these manufacturing processes consist of a closed mould with a preplaced ...
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Gomes, Mateus das Neves; Olinto, Cláudio Rodrigues; Isoldi, Liércio André; Souza, Jeferson Avila; Rocha, Luiz Alberto de Oliveira
(2009)
Several alternatives for electric power production have been studied in the last decades. Because of the huge energetic resources stored in the oceans in the form of wave - about 2TW - value that is compared to the annual ...
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Oliveira, Cristiano Peres; Souza, Jeferson Avila; Isoldi, Liércio André; Rocha, Luiz Alberto de Oliveira; Amico, Sandro Campos
(2009)
The Resin Transfer Molding, or RTM, process has recently become one of the most important processes of fiber reinforced composites manufacturing. The process consists essentially of three stages: “an arrangement of fiber ...
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Isoldi, Liércio André; Souza, Jeferson Avila; Santos, Elizaldo Domingues dos; Marchesini, Renato; Porto, Joseane da Silva; Letzow, Max; Rocha, Luiz Alberto de Oliveira; Amico, Sandro Campos
(2013)
The Light Resin Transfer Molding (LRTM) is a manufacturing process where a closed mold pre-loaded with a porous fibrous preform is filled by a liquid resin injected through an empty channel (without porous medium) which ...
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Helbig, Daniel; Real, Mauro de Vasconcellos; Correia, Anderson Luis Garcia; Santos, Elizaldo Domingues dos; Isoldi, Liércio André
(2013)
Steel plates are used in a great variety of engineering applications, such as deck
and bottom of ship structures, and platforms of offshore structures. Cutouts are often
provided in plate elements for inspection, ...
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Real, Mauro de Vasconcellos; Isoldi, Liércio André; Damas, Alexandra Pinto; Helbig, Daniel
(2013)
Many steel structures such as ships and offshore structures are composed by welded stiffened or unstiffened plate elements. Cutouts are often provided in these plate elements for inspection, maintenance, and service purposes, ...
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Farias, Rodrigo Martins; Teixeira, Paulo Roberto de Freitas; Araújo, Douglas Bezerra de
(2014)
Os processos de soldagem em chapas envolvem fenômenos físicos e químicos muito complexos e, por isso, difíceis de serem modelados matematicamente. Embora os efeitos termo-mecânico-metalúrgico acoplados sejam importantes, ...
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Zepka, Gisele dos Santos
(2005)
The atmospheric dynamics evidently is very complex. There are many macro and micron
scales processes and meteorological variables involved in the atmospheric physical phenomena. The storms with electrical dischargesare ...
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Vaz, Joaquim; Sattler, Miguel Aloysio; Santos, Elizaldo Domingues dos; Isoldi, Liércio André
(2011)
The need to develop new technologies that allow the use of sustainable alternative sources of energy is increasingly evident. Thus, this work presents an experimental and numerical study of earth–air heat exchangers, which ...
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Cunha, Daniele Colembergue da; Souza, Jeferson Avila; Rocha, Luiz Alberto Oliveira; Costa, Jorge Alberto Vieira
(2009)
The design of a modular bioreactor for solid
state fermentation is a promising development because it keeps the homogeneity of the bed at optimal levels. This study determines the optimum geometry of elementary
modules ...
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Silva, Jair Vignolle da; Teixeira, Paulo Roberto de Freitas; Calliari, Lauro Júlio
(2014)
The shoreface and the inner shelf along the northern and the central coast of Rio Grande do Sul (RS) state, Brazil, between Torres and Mostardas, although displaying a homogeneous bottom relief show variations in slope and ...
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Davyt, Djavan Perez; Teixeira, Paulo Roberto de Freitas; Ramalhais, Rúben dos Santos; Didier, Eric Lionel
(2010)
The potential of wave energy along coastal areas is a particularly attractive option in regions of high latitude, such as the coasts of northern Europe, North America, New Zealand, Chile and Argentina where high densities ...