Advective Diffusive Equation
Mostrando 1-6 de 6 artigos, teses e dissertações.
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1. A transformation of variables technique applicable to the boundary element method to simulate a special class of diffusive-advective potential problems
This paper describes a novel Boundary Element Technique developed for application to one-dimensional and a class of two-dimensional diffusive-advective potential problems. It is based on transformation of variable procedure to establish an integral equation inverse sentence, dealing only with boundary variables, using a fundamental solution associated with a
Journal of the Brazilian Society of Mechanical Sciences and Engineering. Publicado em: 2012-03
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2. Aplicação do método dos elementos de contorno com dupla reciprocidade em problemas difusivos-advectivos estacionários não lineares
In this work is implemented a numerical model to simulate computationally the distribution of pressures, velocities, temperatures and heat flows in two-dimensional stationary control volumes. The relation between temperatures and velocities is established by the advective-diffusive Equation, using the Dual Reciprocity Boundary Element Method formulation...
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 04/12/2009
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3. A chebyshev collocation spectral method for numerical simulation of incompressible flow problems
This paper concerns the numerical simulation of internal recirculating flows encompassing a two-dimensional viscous incompressible flow generated inside a regularized square driven cavity and over a backward-facing step. For this purpose, the simulation is performed by using the projection method combined with a Chebyshev collocation spectral method. The inc
Journal of the Brazilian Society of Mechanical Sciences and Engineering. Publicado em: 2007-09
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4. Estratégias para melhoria da completidade da sequência de funções de interpolação empregadas na formulação Quase-Dual do Método dos Elementos de Contorno
The Quase-Dual formulation is a new technique to allow the applications of Boundary Element approach to solve efficiently mathematical models associated to physical problems in wich it is difficult to obtains the inverse integral form. The advective-diffusive problems and non-homogeneous problems are some of the important problems in this last class. The cur
Publicado em: 2007
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5. Modelagem matematica e aproximação numerica do estudo de poluentes no ar
In this work the mathematical modelling, and the numerical simulation of the concentration of pollutants in the air is presented. An advective-diffusive evolution partial differencial equation is used, where poluttants transpot is caused by the predominant air movement. Finite Elements of first and second order are used for space variables, and Crank-Nicolso
Publicado em: 1993
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6. A FINITE ELEMENT FORMULATION FOR THE NAVIER-STOKES PROBLEM / UMA NOVA FORMULAÇÃO DE ELEMENTOS FINITOS PARA O PROBLEMA DE NAVIER-STOKES
Stabilized methods for fluid problems are proposed and analysed with particular emphasis to the incompressible Navier-Stokes equations. We Begin in Chapter 2 introducing the balance equations of fluid Mechanics. Next. In Chapter 3, we discuss the numerical difficulties of the Galerkin method in fluids(in the contexto f the Stokes problem) and performance som
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 18/12/1991