Papers & Presentations

Showing results 1 - 20 of 215

Conference 2009 - Milan

3-D COMSOL Analysis of Extruder Dies 3-D COMSOL Analysis of Extruder Dies

Three-dimensional flow analysis was performed by using COMSOL Multiphysics Chemical Engineering Module for the purpose of analyzing the flow properties and finding out the operating points of a test domain. Using material property table...
COMSOL Conference 2009, Milan
E. Solomon1 and V. Mathew1
1 Arcada University of Applied Sciences, Espoo, Finland

3-D Finite Element Modeling of Brain Edema: Initial Studies on Intracranial Pressure Using COMSOL Multiphysics<sup>&reg;</sup> 3-D Finite Element Modeling of Brain Edema: Initial Studies on Intracranial Pressure Using COMSOL Multiphysics®

Brain edema is one of the most common consequences of serious traumatic brain injuries which is usually accompanied with increased Intracranial Pressure (ICP) due to water content increment. A three dimensional finite element model of...
COMSOL Conference 2009, Milan
X.G. Li1 , H. von Holst1 2 , J. Ho1 , and S. Kleiven1
1 Division of Neuronic Engineering, KTH, Stockholm, Sweden
2 Department of Clinical Neuroscience, Karolinska Institute, Stockholm, Sweden

3D Electro-Thermal Study for Reliability of Automotive Power Vertical MOSFET Using COMSOL Multiphysics<sup>&reg;</sup> 3D Electro-Thermal Study for Reliability of Automotive Power Vertical MOSFET Using COMSOL Multiphysics®

In this paper 3D electro-thermal FE Model using COMSOL Multiphysics® software of power vertical MOSFET used in the automotive industry is presented. This model is used to analyze the effects of bonding wire lift off defect and to...
COMSOL Conference 2009, Milan
T. Azoui1 , S. Verde1 2 , J.B. Sauveplane1 , and P. Tounsi1
1 LAAS-CNRS, Toulouse, France
2 Department of Electronics and Telecommunications Engineering, University of Naples Federico II, Naples, Italy

3D Modeling of Microwave Plasma Using Funer Model 3D Modeling of Microwave Plasma Using Funer Model

After previous microwave simulations done with very hard assumptions, we improve the model by using Funer model to improve prediction of plasma effects on the microwave coupling. Some parameters are still not well known and are used as...
COMSOL Conference 2009, Milan
O. Geoffroy1 and H. Rouch1
1 INOPRO, Villard de Lans, France

3D Simulation of the Thermal Response Test in a U-tube Borehole Heat Exchanger 3D Simulation of the Thermal Response Test in a U-tube Borehole Heat Exchanger

Simulated Thermal Response Test (TRT) data are analyzed in order to evaluate the effect of the tridimensionality model’s feature in determining the proper value of the soil thermal conductivity and borehole thermal resistance....
COMSOL Conference 2009, Milan
L. Schiavi1
1 Dipartimento di Ingegneria Industriale, Università di Parma, Parma, Italy

A Consistent Environment for the Numerical Prediction of the Properties of Composite Materials A Consistent Environment for the Numerical Prediction of the Properties of Composite Materials

The current paper focuses on the creation of a consistent environment for the numerical prediction of the physical properties of polymer composite. A limitation factor for the successful simulation of composite processes is the correct...
COMSOL Conference 2009, Milan
J. Schumacher1 , P. Fideu2 , G. Ziegmann1 , and A. Herrmann3
1 TU Clausthal-Institute of Polymere Materials and Plastic Engineering, Clausthal-Zellerfeld, Germany
2 CTC GmbH Stade, Stade, Germany
3 Faserinstitut Bremen e.V., Bremen, Germany

A Finite Element Model for The Axon of Nervous Cells A Finite Element Model for The Axon of Nervous Cells

This paper proposes a FEM model for a segment of a nervous cell axon, which takes into account, through the so called Hodgkin-Huxley equations, the non linear and time varying dynamics of the membrane surrounding it. A combination with...
COMSOL Conference 2009, Milan
S. Elia1 , P. Lamberti1 , and V. Tucci1
1 Dept. of Electrical and Information Engineering, University of Salerno, Salerno, Italy

A Finite Element Test of the 2002-2003 Etna Eruption A Finite Element Test of the 2002-2003 Etna Eruption

Structural, morphological and ground deformation studies suggest that the eastern flank of Mt. Etna (eastern Sicily) is spreading seaward. Three contrasting models have been proposed: deep-seated spreading, shallow sliding and tectonic...
COMSOL Conference 2009, Milan
F. Pulvirenti1 2 , M. Aloisi1 , G. De Guidi2 , M. Mattia1 , and C. Monaco2
1 Istituto Nazionale di Geofisica e Vulcanologia, Sezione di Catania, Catania, Italy
2 Dipartimento di Scienze Geologiche, Università di Catania, Catania, Italy

A Fully Coupled Three-Dimensional Dynamic Model of Polymeric Membranes for Fuel Cells A Fully Coupled Three-Dimensional Dynamic Model of Polymeric Membranes for Fuel Cells

The proton exchange membrane is a key component in the currently widely studied Proton Exchange Membrane Fuel Cells. In this paper a fully coupled three-dimensional dynamic numerical model of the membrane including all the physically...
COMSOL Conference 2009, Milan
P. Alotto1 , M. Guarnieri1 , and F. Moro1
1 Dipartimento di Ingegneria Elettrica, Università di Padova, Padova, Italy

A Magnetohydrodynamic Study of a Inductive MHD Generator A Magnetohydrodynamic Study of a Inductive MHD Generator

The aim of the proposed device is to overcome the typical drawbacks of MHD generators, such as the needed of a very high external magnetic field, the strong dependency of the efficiency by the temperature of the fluid, and the...
COMSOL Conference 2009, Milan
A. Montisci1 and R. Pintus1
1 Department of Electrical and Electronic Engineering, University of Cagliari, Cagliari, Italy

A Model for High Temperature Inductive Heating A Model for High Temperature Inductive Heating

COMSOL Multiphysics has been applied to develop a model for inductive heating. A coarse, lumped model of the interior of a high temperature reactor is coupled to finite element models for the electromagnetic field, the temperature...
COMSOL Conference 2009, Milan
S.A. Halvorsen1
1 Teknova AS, Kristiansand, Norway

A Modular Platform for Cell Characterization, Handling, and Sorting by Dielectrophoresis A Modular Platform for Cell Characterization, Handling, and Sorting by Dielectrophoresis

Dielectrophoresis (DEP) is a method for cell manipulation without physical contact in lab-on-chip devices, since it exploits the dielectric properties of cells suspended in a microfluidic sample, under the action of locally generated...
COMSOL Conference 2009, Milan
S. Burgarella1 , B. Dell’Anna2 , V. Perna1 , G. Zarola2 , and S. Merlo2
1 STMicroelectronics, Agrate Brianza, MI, Italy
2 Dipartimento di Elettronica, Università degli Studi di Pavia, Pavia, Italy

A Multi-Physics Framework for the Geometric Optimization of a Diaphragm Electrostatic Micropump A Multi-Physics Framework for the Geometric Optimization of a Diaphragm Electrostatic Micropump

In this work, an electrostatic diaphragm micropump is investigated by means of COMSOL Multiphysics®. A fluid-dynamic model is adopted to evaluate the fluid flow characteristics inside the pumping chamber, in static conditions. In...
COMSOL Conference 2009, Milan
E. Bertarelli1 , R. Ardito1 , E. Bianchi1 , K. Laganà1 , A. Corigliano1 , G. Dubini1 , and R. Contro1
1 Department of Structural Engineering, Politecnico di Milano, Milano, Italy

A New Approach to Simulation and Upscaling of Single-Phase Flow Through Vuggy Carbonates A New Approach to Simulation and Upscaling of Single-Phase Flow Through Vuggy Carbonates

Numerical modeling of flow through vuggy porous media, mainly vuggy carbonates, is a challenging endeavor. Its modeling using coupled Darcy-Stokes equations poses several numerical challenges particularly with respect to specification of...
COMSOL Conference 2009, Milan
M. Pal1
1 Shell International Exploration and Production B.V., Rijswijk, The Netherlands

A Novel FEM Method for Predicting Thermoacoustic Combustion Instability A Novel FEM Method for Predicting Thermoacoustic Combustion Instability

Modern gas turbines suffer of the phenomenon of combustion instability, also known as “humming”. The main origin of the instability is considered to be related to the interaction between acoustic waves and fluctuations of the...
COMSOL Conference 2009, Milan
G. Campa1 and S.M. Camporeale1
1 DIMEG, Politecnico di Bari, Bari, Italy

A Numerical Study for Rubber Particles Collection Involved in New Thermoforming Composite Process Using COMSOL Multiphysics<sup>&reg;</sup> A Numerical Study for Rubber Particles Collection Involved in New Thermoforming Composite Process Using COMSOL Multiphysics®

This paper deal of the forming process applied to the thermoplastic composites. A new thermoforming process that uses rubber particles collection as flexible mould was presented and numerically modeled. A characterization of the rubber in...
COMSOL Conference 2009, Milan
R. Carbone1 , V. Antonelli2 3 , A. Langella1 , and R. Marissen3
1 Material and Production Engineering Department, Università degli Studi di Napoli Federico II, Napoli, Italy
2 Institute of Lightweight Structures, Technische Universität München, München, Germany
3 Design and Production of Composite Structure, Delft University of Technology, Delft, The Netherlands

A Preliminary Approach to the Neutronics of the Molten Salt Reactor by Means of COMSOL Multiphysics<sup>®</sup> A Preliminary Approach to the Neutronics of the Molten Salt Reactor by Means of COMSOL Multiphysics®

The Molten Salt Reactor (MSR), proposed along with other five innovative concepts of fission nuclear reactor by the Generation IV International Forum (GIF-IV), represents a challenging task from the modeling perspective because of the...
COMSOL Conference 2009, Milan
V. Memoli1 , A. Cammi1 , V. Di Marcello1 , and L. Luzzi1
1 Nuclear Engineering Division, Department of Energy, Politecnico di Milano, Milano, Italy

A Semplified Model for the Evolution of a Geothermal Field A Semplified Model for the Evolution of a Geothermal Field

The problem is to understand how a geothermal field can evolve from a water dominated state into a vapor dominated one. A first answer to this question is given by a simplified mathematical model of the dynamics of a geothermal field in...
COMSOL Conference 2009, Milan
L. Meacci1 , A. Farina1 , F. Rosso1 , I. Borsi1 , M. Ceseri1 , and A. Speranza1
1 Dipartimento di Matematica U. Dini, Università degli Studi di Firenze, Firenze, Italy

A Study of Laser Doppler Anemometer Using COMSOL Multiphysics<sup>&reg;</sup> A Study of Laser Doppler Anemometer Using COMSOL Multiphysics®

Laser anemometers based on application of Doppler Effect have been developed and are used in-flight, on aircrafts for measurement of air flow parameters, mainly its speed versus the airplane. The air speed measurements are vital for safe...
COMSOL Conference 2009, Milan
I. Lancranjan1 and C. Gavrila2
1 Advanced Study Centre, National Institute for Aerospace Research “Elie Carafoli”, Bucharest, Romania
2 Technical University of Civil Engineering Bucharest, Bucharest, Romania

A Study of Optical Sensor Based on Fiber Bragg Grating Using COMSOL Multiphysics<sup>&reg;</sup> A Study of Optical Sensor Based on Fiber Bragg Grating Using COMSOL Multiphysics®

Fiber optic sensors can measure a large range of physical, chemical and environmental variables such as temperature, pressure, shape, position, chemical concentration, moisture, etc. Fiber optic sensors provide measurements in...
COMSOL Conference 2009, Milan
C. Gavrila1 and I. Lancranjan2
1 Technical University of Civil Engineering Bucharest, Bucharest, Romania
2 Advanced Study Centre, National Institute for Aerospace Research “Elie Carafoli”, Bucharest, Romania


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