-
-
Teixeira, Paulo Roberto de Freitas; Awruch, Armando Miguel
(2005)
An algorithm to simulate 3D fluid–structure interaction problems using the finite element technique is presented in this work. A two-step Taylor–Galerkin scheme and linear tetrahedra elements are employed to analyze the ...
-
-
Teixeira, Paulo Roberto de Freitas
(2009)
A numerical simulation of the interaction between a regular wave and an immersed horizontal cylinder, whose axis is 3-radius deep, perpendicular to the direction of the wave propagation, is presented in this paper. The ...
-
-
Souza, Jeferson Avila; Rocha, Luiz Alberto Oliveira; Amico, Sandro Campos
(SOUZA, Jeferson Avila; ROCHA, Luiz Alberto Oliveira; AMICO, Sandro Campos. Numerical simulation of the resin transport through fiber reinforcement medium. In: INTERNATIONAL CONGRESS OF MECHANICAL ENGINEERING – COBEM, 19., 2007, Brasília. Anais... Brasília: [s.n.], 2007. Disponível em: <http://www.abcm.org.br/anais/cobem/2007/pdf/COBEM2007-1166.pdf>. Acesso em: 25 jul. 2015., 2007)
This paper describes the numerical simulation of the RTM (Resin Transfer Molding) process applied to the modeling of the resin transport through a fibrous reinforcement. The molding volume which is to be impregnated with ...
-
-
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 ...
-
-
Gonçalves, Rafael Almeida; Teixeira, Paulo Roberto de Freitas; Didier, Eric Lionel
(2012)
The vortex-induced vibration (VIV) phenomenon has drawn the attention of researchers in Engineering for several decades. An example is the riser used for petroleum exploration, in which it is subjected to marine flows that ...
-
-
Santos, Elizaldo Domingues dos; Isoldi, Liércio André; Petry, Adriane Prisco; França, Francis Henrique Ramos
(2014)
This work presents a numerical study of turbulent channel flows with combined convective and radiative heat transfer in participating media by means of large Eddy simulation and Reynolds averaged Navier–Stokes (RANS) with ...
-
-
Santos, Elizaldo Domingues dos; Petry, Adriane Prisco; Rocha, Luiz Alberto Oliveira; França, Francis Henrique Ramos
(2013)
This study presents the LES (large eddy simulation) of forced convection in laminar and two dimensional turbulent flows
when the flow reaches the steady state. The main purpose is the evaluation of a developed numerical ...
-
-
Farias, Rodrigo Martins; Santos, Elizaldo Domingues dos; Isoldi, Liércio André; Rocha, Luiz Alberto Oliveira
(2008)
The present work studies numerically and experimentally the water cooling process by means of natural convection inside a closed reservoir. The cooling process is performed by Peltier or Thermoelectric effect. The purpose ...
-
-
Machado, Roselaine Neves; Isoldi, Liércio André; Santos, Elizaldo Domingues dos; Rocha, Luiz Alberto de Oliveira
(2013)
In the present work two different arrangements of vascular channels are studied numerically and their geometry is optimized by means of Constructal Design. The main purpose is to seek for the best geometry which minimizes ...
-
-
Vieira, Rodrigo Spotorno; Garcia, Claudio; Acunha Junior, Ivoni Carlos; Souza, Jeferson Avila; Rocha, Luis Alberto Oliveira; Isoldi, Liércio André; Santos, Elizaldo Domingues dos
(2015)
In the presented work, it is made a numerical study about the main physical principle of a solar chimney (SCPP – Solar Chimney Power Plant) and the influence of some geometric parameters on the available power in the SCPP. ...
-
-
Santos, Elizaldo Domingues dos; Galarça, Marcelo Moraes; Mossi, Anderson Chaves; Petry, Adriane Prisco; França, Francis Henrique Ramos
(2009)
The present paper performs a numerical study of the influence of fluctuations on the temperature field over the thermal radiation field with the purpose to simulate the effect of Turbulence-Radiation Interactions (TRI). ...
-
-
Seibt, Flávio Medeiros; Couto, Eduardo Costa; Santos, Elizaldo Domingues dos; Isoldi, Liércio André; Rocha, Luiz Alberto Oliveira; Teixeira, Paulo Roberto de Freitas
(2014)
The growing search for clean and renewable energy sources has given rise to the studies of exploring sea wave energy. This paper is concerned with the numerical evaluation of the main operational principle of a submerged ...
-
-
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 ...
-
-
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 ...
-
-
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. ...
-
-
Silveira, Thiago da; Correia, Anderson Luis Garcia; Silva, Caio César de Castro da; Rocha, Luiz Alberto de Oliveira; Real, Mauro de Vasconcellos; Santos, Elizaldo Domingues dos; Isoldi, Liércio André
(2012)
As placas enrijecidas são muito utilizadas em estruturas navais. Quando estas estruturas estão sob forte ação de cargas de flexão, é necessário que os reforços contribuam para a redução da deflexão da placa. O Método de ...
-
-
Galarça, Marcelo Moraes; Cardoso, Felipe Rodrigues; Razera, Andre Luis; Acunha Junior, Ivoni Carlos; Isoldi, Liércio André; Porte, Anderson Favero; Rocha, Luiz Alberto Oliveira; Santos, Elizaldo Domingues dos
(2015)
O presente trabalho numérico estuda o arranjo triangular de cilindros submetidos a escoamentos transientes, bi-dimensionais, incompressíveis, laminares e com convecção forçada por meios do método Constructal Design. As ...
-
-
Gomes, Gilmar de Oliveira; Melo Filho, Eloi
(2004)
Este trabalho analisa o fenômeno da maré fluvial em um canal idealizado, através da
solução adimensional das equações de Saint-Venant unidimensionais para o caso em que a
maré perturba o escoamento permanente uniforme ...
-
-
Castagno Junior, Roger; Guimarães, André Tavares da Cunha; Helene, Paulo Roberto do Lago
(2004)
GUIMARÃES [3] obteve em sua pesquisa modelo da influência do grau de saturação (GS) do concreto sobre a difusão de íons cloreto, e desenvolveu método para medir o GS em estruturas de concreto em serviço. Nesse trabalho são ...
-
-
Araújo, José Milton de
(2011)
Este artigo faz parte um estudo mais amplo sobre os métodos de projeto dos pilares de
concreto armado. Nesta primeira parte do estudo, apresenta-se o modelo não linear para análise e dimensionamento de pilares esbeltos ...