Laser direct deposition is a process, different from molding or machining, which allows the producing of fully densified and operational components. This technique involves injecting metal powder through a coaxial nozzle into a melt pool... COMSOL Conference 2010, Paris S. Morville1 , M. Carin1 , M. Muller2 , M. Gharbi2 , P. Peyre2 , D. Carron1 , P. Le Masson1 , and R. Fabro2 1 Laboratoire LIMATB, Université de Bretagne Sud, Lorient , France 2 Laboratoire PIMM, Arts et Métiers ParisTech, Paris, France
In microwave heating applications, the energy is introduced directly into the volume of the material and as consequence the quality of the process is highly dependent on the uniformity of the electromagnetic field distribution along it.... COMSOL Conference 2010, Paris T. Santos1 , L.C. Costa1,2 , M. Valente1,2 , J. Monteiro1,2 , and J. Sousa3 1 University of Aveiro, Portugal 2 I3N, Aveiro, Portugal 3 TEKA Portugal S.A., Ílhavo, Portugal
Objective of this paper is the development and implementation of a finite element model, in a COMSOL Multiphysics context, for the prediction of the aeroelastic behavior of rotor blades. In particular, the attention is focused on new... COMSOL Conference 2010, Paris E. Piccione, G. Bernardini, and M. Gennaretti University Roma Tre Dept. of Mechanical and Industrial Engineering, Via della Vasca Navale, Rome, Italy
Musculoskeletal mineralised tissues (MMTs), like bone or tendon, are a prime example of naturally occuring, hierarchically structured material. They display a great variety in mechanical function but are all based on essentially the same... COMSOL Conference 2010, Paris A. Gerisch1 , S. Tiburtius1 , Q. Grimal2 , and K. Raum3 1 Technische Universität Darmstadt, Germany 2 Université Pierre et Marie Curie Paris VI, France 3 Charité-Universitätsmedizin Berlin, Germany
Given any equation L(u)=0, e.g. a partial differential equation, it can be considered to be the stationary solution of a time dependent equation (in fact, time need only to be fictitious time not real time). Our approach is to choose the... COMSOL Conference 2010, Paris M. Gulliksson, and S. Edvardsson Mid Sweden University, Sundsvall, Sweden
In this paper, a methodology to simulate the electric behavior of spiral inductances is presented and discussed. All the methodology is built with the COMSOL software used with the Matlab scripting interface and then allows performing... COMSOL Conference 2010, Paris S. Druart, D. Flandre, and L.A. Francis Université catholique de Louvain - ICTEAM, Louvain-la-Neuve, Belgium
We use COMSOL Multiphysics to model a gas bubble expansion in a viscous liquid initially at rest, a very common system for lightweight foamed materials from metal production and polymer processing. Modelling and simulation of foam... COMSOL Conference 2010, Paris B. Chinè1,2 , and M. Monno1,3 1 Laboratorio MUSP, Macchine Utensili e Sistemi di Produzione, Piacenza, Italy 2 Instituto Tecnològico de Costa Rica, Escuela de Ciencia e Ingenierìa de Materiales, Cartago, Costa Rica 3 Politecnico di Milano, Dipartimento di Meccanica, Milano, Italy
In the modern food industry one of the most important problems to face is to preserve products from deterioration: a widely used solution is the convective foods drying. Drying is based on a simultaneous transfer of both heat and water... COMSOL Conference 2010, Paris S. Curcio, and M. Aversa Department of Engineering Modelling, University of Calabria, Rende, Italy
Distributed Feedback Fiber Laser (DFB-FL) sensors are increasingly used in aeronautical applications. One of the newest such applications consists in detecting the “transition” zone between laminar and turbulent air flow upon the... COMSOL Conference 2010, Paris I. Lancranjan1 , C. Gavrila2 , S. Miclos3 , and D. Savastru3 1 Advanced Study Centre - National Institute for Aerospace Research Elie Carafoli, Bucharest, Romania 2 Technical University of Civil Engineering Bucharest, Romania 3 National Institute R&D of Optoelectronics, INOE 2000, Bucharest, Romania
Drug therapy of the posterior part of an eye is very challenging. Yet, in USA alone, there are almost 2 million people affected by age related macular degeneration. When designing a strategy for controlled-release drug delivery, it is... COMSOL Conference 2010, Paris L. Murtomäki, and S. Kotha University of Helsinki, Centre for Drug Research, Helsinki, Finland
In the study, we present an efficient absorbing boundary domain technique whose main application is the 3D finite element (FE) modelling of the so-called controlled-source electromagnetic (CSEM) data, collected for the geophysical... COMSOL Conference 2010, Paris J. Park1 , T.I. Bjørnarå1 , and B.A. Farrelly 2 1 Norwegian Geotechnical Institute(NGI), Oslo, Norway 2 MultiField Geophysics AS, Norway
This work presents acoustic attenuation performance of helicoidal resonator due to distance change from different cross-sectional elements of cylindrical duct. The helicoidal resonator properties are described mainly in in infinite long... COMSOL Conference 2010, Paris W. Łapka Poznań University of Technology, Poznań, Poland
Landmines are an open problem in many countries of the world. They cause injuriesand death and no technique proposed to date guarantees fast and 100% reliable detection alone. To this purpose, at the Humanitarian Demining Laboratory of... COMSOL Conference 2010, Paris P. Fallavollita1,2 , S. Esposito1,2 , and M. Balsi1,2 1 Dipartimento di Ingegneria dell’Informazione, Elettronica e Telecomunicazioni, “La Sapienza” University, Rome, Italy 2 Humanitarian Demining Laboratory, Cisterna di Latina, Italy
The present study relates to the reduction of the amount of air to gas leakage in a typical rotary regenerative air preheater of coal-fired steam generators, by means of computational thermo-fluid-dynamics. Due to the gaps, or clearances,... COMSOL Conference 2010, Paris L. Ferravante1 , C. Zagano1 , and V. Marra2 1 RSE S.p.A. - via Rubattino, Milano, Italy 2 COMSOL S.r.l. - Via Vittorio Emanuele II, Brescia, Italy
Analysis and optimization of air flow distribution inside drying kiln systems contribute to the improvement of the final product quality. The present study reports on the threedimensional numerical solution of air flow within a drying... COMSOL Conference 2010, Paris A-G. Ghiaus, M-A. Istrate, and A-M. Georgescu Technical University of Civil Egineering, Bucharest, Romania
In this work, the theoretical study for the realization of waveguiding layer acoustic waves devices based on AlN/IDT/ZnO/Silicon structure using the modeling software COMSOL Multiphysics (2D) is presented. The effect of thicknesses of... COMSOL Conference 2010, Paris O. Legrani1 , O. Elmazria1 , S. Zhgoon 2 , L. Le Brizoual3 , and A. Bartasyte1 1 Institut Jean Lamour, CNRS-Nancy University, Vandoeuvre lès Nancy, France 2 Moscow Power Engineering Institute, Krasnokazarmennaja, Moscow, Russia 3 Institut des Matériaux Jean Rouxel, Université Nantes, CNRS, Nantes, France
Despite its real advantages compare to seeded sublimation growth, SiC solution growth has never given convincing results. The difficulty of stabilizing the growth front, and thus avoiding any polycrystal formation results from a poor... COMSOL Conference 2010, Paris F. Mercier1 , D. Chaussende1 , J.M. Dedulle1,2 and J. Lefebure1 1 Laboratoire des Matériaux et du Génie Physique (LMGP), Grenoble INP - CNRS, France 2 IRIS Technologies, Grenoble, France
The technique of magnetic drug targeting binds genetic material or drugs to superparamagnetic nanoparticles and accumulates them via an external magnetic field in a target region. However, it is still a challenge for this approach to... COMSOL Conference 2010, Paris A. Heidsieck, and B. Gleich Zentralinstitut für Medizintechnik, TU München, München, Germany
TAP (Temporary Analysis of Products) reactors are powerful instruments to study the kinetics of catalytic reactions. Their basic principle, exposition of evacuated solids of interest to narrow pulses containing very small amounts of... COMSOL Conference 2010, Paris S. Pietrzyk1 , and G.S. Yablonsky2 1 Unité de Catalyse et Chimie du Solide, Université des Sciences et Technologies de Lille, France 2 Parks College, Saint Louis University, St. Louis, MO, USA
This paper will give a short overview of use of COMSOL Multiphysics for analyzing ancient Greek and Roman catapults with the main focus on the energy storing torsion springs. Catapults have been known and used in the Greek and Roman world... COMSOL Conference 2010, Paris K.M. Paasch Center for Product Development, Mads Clausen Institute, South Danish University, Denmark
