Papers & Presentations

Showing results 1 - 20 of 38

Conference 2006 - Paris

3D Inductive Phenomena Modelling 3D Inductive Phenomena Modelling

This paper deals with the Cage System, developed by Roctool, which heats and transforms composite materials. The simulation shows the importance of the inductor design and position relative to the mold.
COMSOL Conference 2006, Paris
R. Ernst1 , D. Perrier2 , J. Feigenblum2 , and R. Hemous2
1 EPM - CNRS
2 Roctool

A Tool for Studying the Ecology of Hydrosystems A Tool for Studying the Ecology of Hydrosystems

The hyporheic zone is defined as an area where water and matter exchange through the sand, gravel, sediments and other permeable soils under and beside streams. Its impact on the hydro-system function is determined by the proportion of...
COMSOL Conference 2006, Paris
D. Peyrard1 , Ph. Vervier1 , S. Sauvage1 , J.M. Sánchez-Pérez1 , and M. Quintard2
1 Laboratoire d’Ecologie des Hydrosystèmes, Toulouse
2 Institut de Mécanique des Fluides de Toulouse

Analysis of Electrical Phenomena Occurring in Thermally Assisted Mechanical Dewatering Processes Analysis of Electrical Phenomena Occurring in Thermally Assisted Mechanical Dewatering Processes

The so-called opposite electrode pair measurement strategy is adapted in a filtration/expression cell filled with a model material packed bed. In this paper, we investigate the electrical properties of a packed bed, with particular...
COMSOL Conference 2006, Paris
A. Mahmoud, A. Fernandez, and P. Arlabosse
Ecole des Mines d’Albi Carmaux, Albi

Analysis of the Electric Field and the Potential Distribution in Cavities Inside Solid Insulating Electrical Materials Analysis of the Electric Field and the Potential Distribution in Cavities Inside Solid Insulating Electrical Materials

Solid extruded polymeric materials such as crosslinked polyethylene are widely used in the electrical insulation of underground high voltage power transmission cables. This paper treats the combined effect of space charge and...
COMSOL Conference 2006, Paris
T. Seghir1 , D. Mahi1 ,T. Lebey2 , and D. Malec2
1 Materials Laboratory, Electrical Engineering Institute, Amar Thelidji University of Laghouat, Algeria
2 Electrical Engineering Laboratory, University of Paul Sabatier, Toulouse

Boundary Conditions Identification for Thermostatic Cauchy Problem by Minimizing an Energy-like Function Boundary Conditions Identification for Thermostatic Cauchy Problem by Minimizing an Energy-like Function

An energy-like error function is introduced in the context of the ill-posed problem of boundary data recovering, which is commopnly known as a Cauchy problem. Here the problem is converted into an optimization problem. Numerical...
COMSOL Conference 2006, Paris
T.N. Baranger
LDMS, UMR CNRS-INSA 5006, ISTIL - Université Claude Bernard, Lyon

Catalytic Reactions under Non-steadystate Conditions Catalytic Reactions under Non-steadystate Conditions

In this paper, we present the modeling of catalytic reactions under non-steadystate conditions. Particularly, we study the Fisher-Tropsch reaction in a pulse reactor.
COMSOL Conference 2006, Paris
S. Pietrzyk, F. Dhainaut, A. Khodakov, and P. Granger
Université de Lille

Compressional Waves Generation in Droplets of Water Deposited on a Quartz Crystal Compressional Waves Generation in Droplets of Water Deposited on a Quartz Crystal

In this paper, we investigate the compressional wave generation in droplets and use different techniques to correlate the compressional wave generation to the shape of the droplets. Results show a good correlation between eigenmodes...
COMSOL Conference 2006, Paris
G. Couturier, R. Boisgard, C. Jai, and J.P. Aimé
Université Bordeaux

Crystallization Kinetics of Semi-Crystalline Polymers During Cooling Crystallization Kinetics of Semi-Crystalline Polymers During Cooling

Thermoplastic polymers are frequently used in several industries, and represent the most important group of polymeric materials. During the injection moulding process, the cooling phase including solidification is often the most...
COMSOL Conference 2006, Paris
N. Brahmia1 , P. Bourgin1 , M. Boutaous1 , and D. Garcia2
1 Laboratoire de Recherche Pluridisciplinaire en Plasturgie
2 Pôle Européen de Plasturgie Belignat

Elastic and Poro-Elastic Models of Ventricular Dilatation in Hydrocephalus Elastic and Poro-Elastic Models of Ventricular Dilatation in Hydrocephalus

Elastic and poro-elastic models of ventricular dilatation in hydrocephalus are presented in this paper. An important result was the accumulation of fluid capping the horns of the ventricles. This indicates the importance of...
COMSOL Conference 2006, Paris
S. Momjian1 , and D. Bichsel2
1 Hôpitaux Universitaires de Genève, Switzerland
2 HESSO Ecole d’Ingénieurs de Genève, Switzerland

Finite Element Approach for Micromagnetic Systems Finite Element Approach for Micromagnetic Systems

In this paper we propose a finite element model (FEM), to solve the micro-magnetic equations. Two bi-dimensional test problems are treated to estimate the validity and the accuracy of this approach.
COMSOL Conference 2006, Paris
H. Szambolics1 , L. Buda-Prejbeanu2 , J.C. Toussaint1,2 , and O. Fruchart1
1 Laboratoire Louis Néel, Grenoble
2 Laboratoire SPINTEC, Grenoble

From Numerical to Experimental Study of Microsystems for Dielectrophoresis on Bioparticles From Numerical to Experimental Study of Microsystems for Dielectrophoresis on Bioparticles

This paper summarizes the numerical contribution to a project for the detection of bioparticles present in a small volume of a liquid sample. Dielectrophoresis (DEP) is used to enhance their transport toward the surface of a...
COMSOL Conference 2006, Paris
P. Pham, I. Texier, and F. Perraut
CEA-LETI, Direction de la Recherche Technologique, Grenoble

Heat and Mass Transfer Investigation in Fabrics Heat and Mass Transfer Investigation in Fabrics

In this paper, an investigation of heat and mass transfer in fabrics used in the manufacture of comfortable sportswear is presented. It is based on a model which is described by partial differential equations representing the mass...
COMSOL Conference 2006, Paris
S. Quiniou1 , F. Lesage 1 , V. Ventenat2 , and M.A. Latifi1
1 Laboratoire des Sciences du Génie Chimique, Nancy
2 Centre de recherche Décathlon, Villeneuve d’Ascq

Heat Transfer Models for Microwave Thawing Applications Heat Transfer Models for Microwave Thawing Applications

This study deals with numerical and experimental investigations of a microwave thawing process. The microwave power generation is calculated from Maxwell’s equations and then from Lambert’s law, using COMSOL Multiphysics. For those...
COMSOL Conference 2006, Paris
S. Curet, O. Rouaud, and L. Boillereaux
ENITIAA, GEPEA – UMR, Nantes

Implementation of a Multi-Axial Pseudoelastic Model to Predict the Dynamic Behavior of Shape Memory Alloys Implementation of a Multi-Axial Pseudoelastic Model to Predict the Dynamic Behavior of Shape Memory Alloys

Shape Memory Alloys are good candidates for being used as passive dampers, strain sensors, stiffness or shape drivers. In order to develop the use of these alloys in structural vibration control, we present in this paper how to implement...
COMSOL Conference 2006, Paris
F. Thiebaud, M. Collet, E. Foltête, and C. Lexcellent
Institut FEMTO-ST, Besancon

Kinetics and Plasma Modeling of Plasma Steam Reforming at Atmospheric Pressure Kinetics and Plasma Modeling of Plasma Steam Reforming at Atmospheric Pressure

Gliding discharges at atmospheric pressure were investigated in the GREMI laboratory for different applications such as syngas production from methane steam reforming. In our case, the kinetics could be described by using a simplified...
COMSOL Conference 2006, Paris
J.M. Cormier, F. Ouni, and A. Khacef
GREMI, Polytech’Orléans

Low Frequency Electromagnetic Wave Propagation in Large Cavities, Study of the Cavity of Titan after the Cassini-Huygens Mission Low Frequency Electromagnetic Wave Propagation in Large Cavities, Study of the Cavity of Titan after the Cassini-Huygens Mission

The propagation of low frequency electromagnetic waves in the cavity of celestial bopdies with ionospheres has been studied, namely for inferring thunderstorm and lightning activity. The measurement of resonant states provides useful...
COMSOL Conference 2006, Paris
F. Simões, and M. Hamelin
CETP/IPSL-CNRS 4, Saint Maur, France

MOCVD Research Reactor Simulation MOCVD Research Reactor Simulation

In this paper, we describe the methodology of modeling Metal Organic Chemical Vapor Deposition. As a special case study we investigate the Ag deposit.
COMSOL Conference 2006, Paris
H. Rouch
INOPRO, Villard de Lans

Modeling Heat Barrier Efficiency of Flame Retarded Materials Modeling Heat Barrier Efficiency of Flame Retarded Materials

In this paper, different approaches for modeling heat transfer in materials are examined: Heat anisotropy in styreneacrylonitrile copolymer provided by the nanodispersion and the orientation of single wall carbon nanotubes Heat...
COMSOL Conference 2006, Paris
S. Bourbigot, M. Jimenez, and S. Duquesne
Laboratoire Procédés d’Elaboration des Revêtements Fonctionnels, Ecole Nationale Supérieure de Chimie de Lille, Lille

Modeling of Different Shaped Micro-Cantilevers Used as Chemical Sensors Modeling of Different Shaped Micro-Cantilevers Used as Chemical Sensors

In this work, we present the modeling of V-shaped silicon micro-cantilevers. The sensitivity of different V-shaped silicon cantilevers is estimated, as a function of the geometrical dimensions of the cantilever.
COMSOL Conference 2006, Paris
G. Louarn, M. Collet, and S. Cuenot
Institut des Matériaux Jean Rouxel, Nantes

Modeling of Drops Spreading on Patterned Surfaces Modeling of Drops Spreading on Patterned Surfaces

We present simulations of drops spreading on heterogeneous surfaces. The droplet height is the solution of a time-dependent non-linear fourth order partial differential equation, which is solved using COMSOL Multiphysics. In the...
COMSOL Conference 2006, Paris
J. Frassy1 , C. Lécot2 , C. Delattre3 , and A. Soucemarianadin1
1 LEGI UMR 5519, Grenoble
2 LAMA UMR 5127, Le Bourget-du-Lac
3 LETI, CEA Grenoble