Some recent numerical advances for two‐phase flow modelling in NEPTUNE project

Hérard, Jean-Marc; Hurisse, Olivier

doi:10.1002/fld.1419

Numerical Methods in Fluids

2007

DOI: 10.1002/fld.1419

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Some recent numerical advances for two‐phase flow modelling in NEPTUNE project

Jean-Marc Hérard¹,

Olivier Hurisse²

Abstract: International audienceThis paper is devoted to a brief review of some problems arising in the NEPTUNE project, whose main objective consists in preparing a new generation of two-phase flow codes covering the whole range of modelling scales for nuclear power plants. Focus is given on multi-phase flow modelling and on the unsteady coupling of existing codes. Some recent results are displayed and a few open problems are discussed in the manuscript. A draft version of this paper has been presented as an invited le… Show more

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“…Hérard [4] devoted his contribution to a brief review of some problems arising in the NEPTUNE project, whose main objective consists of creating a new generation of two-phase flow codes covering the whole range of modelling scales for nuclear power plants. Focus is given on multiphase flow modelling and on the unsteady coupling of existing codes.…”

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confidence: 99%

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Weatherill

2008

Numerical Methods in Fluids

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SUMMARYThis special issue contains selected high-quality papers from the invited lectures of the Fourth International Symposium on Finite Volumes for Complex Applications-Problems and Perspectives (FVCA), which was sponsored by Marrakech University of Science and Technology in Morocco and held in the university on July 4-8, 2005. The FVCA symposia series aims to provide an international and privileged forum for the exchange and profitable discussions bringing together mathematicians, physicists and engineers concerned with finite volume techniques in both theory and practice. Indeed, the finite volume method is nowadays adopted by a broad base of the scientific community including those concerned with the use of numerical simulations in the resolution of complex physical problems in industry, civil engineering and the environmental.This special issue contains six papers based on those that were presented as invited lectures at FVCA4. Particular attention is focused on convergence, error analysis and new fields of application. Chainais-Hillairet's [1] talk was devoted to the drift-diffusion and the energy transport models appearing in the modelling of semiconductor devices. The main difficulty arising in the approximation of the energy transport model using finite volume schemes is the discretization of the Joule heating term in the equation for the density of energy. Following some recent ideas by K. Domelevo and P. Omnes for the discretization of the Laplace equation on almost general meshes, Chainais-Hillairet explains the construction of a finite volume approximation of the * Correspondence to: Nigel P. Weatherill, College of Engineering and Physical Sciences,

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2008

Numerical Methods in Fluids

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Some attempts to couple distinct fluid models

Hérard

Hurisse

2010

Networks &Amp; Heterogeneous Media

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We present in this paper a review of some recent works dedicated to the numerical interfacial coupling of fluid models. One main motivation of the whole approach is to provide some meaningful methods and tools in order to compute unsteady patterns, while using distinct existing CFD codes in the nuclear industry. Thus, the main objective is to derive suitable boundary conditions for the codes to be coupled. A first section is devoted to a review of some attempts to couple: (i) 1D and 3D codes, (ii) distinct homogeneous twophase flow models, (iii) fluid and porous models. More details on numerical procedures described in this section can be found in companion papers. Then we detail in a second section a way to couple a two-fluid hyperbolic model and an homogeneous relaxation model.

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Some recent numerical advances for two‐phase flow modelling in NEPTUNE project

Cited by 2 publications

References 39 publications

Editorial

Editorial

Some attempts to couple distinct fluid models

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