Petrov-Galerkin solutions of the incompressible Navier-Stokes equations in primitive variables with adaptive remeshing

PAB De Sampaio, PRM Lyra, K Morgan… - Computer Methods in …, 1993 - Elsevier
The solution of the incompressible Navier-Stokes equations in primitive variables is
addressed in this paper. A Petrov—Galerkin formulation which automatically introduces …

A natural derivation of discontinuity capturing operator for convection–diffusion problems

PAB De Sampaio, A Coutinho - Computer methods in applied mechanics …, 2001 - Elsevier
The concept of effective transport velocity is introduced to derive a discontinuity capturing
operator for convection–diffusion problems. The effective transport velocity, which depends …

[PDF][PDF] Analysis of Natural Circulation in a Thermal-hydraulic Loop Similar to a Passive Nuclear Reactor Cooling System

DA Botelho, JLH Faccini, PAB De Sampaio… - RT− IEN, 2002 - researchgate.net
The main topic in this paper is a new device being considered to improve nuclear reactor
safety employing the natural circulation. Aware of the need for more precise and stable …

Edge‐based data structures for a symmetric stabilized finite element method for the incompressible Navier–Stokes equations with heat transfer

RA Kraft, A Coutinho… - International journal for …, 2007 - Wiley Online Library
This work presents a new implementation of the De Sampaio–Coutinho formulation (Int. J.
Numer. Meth. Fluids 1999; 29: 289–309), a segregated Petrov–Galerkin/generalized least …

Uma formulação estabilizada de elementos finitos para solução das equações de Navier-Stokes em geometria axissimétrica

AM SOUZA - 2008 - bdtd.ibict.br
O consumo energético mundial tem aumentado muito ao longo dos anos e incentivado
pesquisas em novas tecnologias. Paralelamente a este crescimento, a energia nuclear tem …

[HTML][HTML] Metodologia para estudos de circulação natural em circuitos fechados

ROP ARAUJO - 2009 - bdtd.ibict.br
Este trabalho apresenta os resultados de uma análise de estabilidade do fenômeno de
circulação natural monofásica unidimensional em um circuito fechado, através de uma …

Methodology for studies of natural circulation in closed circuits

ROP Araujo - 2009 - inis.iaea.org
[en] This work presents the results obtained from the analysis of stability of the phenomenon
of the natural circulation for one-dimension single-phase flow in a closed loop, by a …

A stabilized finite element formulation for the solution of the Navier-Stokes equations in axisymmetric geometry; Uma formulacao estabilizada de elementos finitos …

AM Souza - 2008 - osti.gov
The world energy consumption has been increasing strongly in recent years. Nuclear
energy has been regarded as a suitable option to supply this growing energy demand in …

A stabilized finite element formulation for the solution of the Navier-Stokes equations in axisymmetric geometry

AM Souza - 2008 - inis.iaea.org
[en] The world energy consumption has been increasing strongly in recent years. Nuclear
energy has been regarded as a suitable option to supply this growing energy demand in …

[引用][C] A natural derivation of discontinuity capturing operator for convection–diffusion problems