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Ici vous trouverez les présentations issues des Conférences COMSOL à travers le monde. Réalisées par des utilisateurs de COMSOL Multiphysics, ces présentations explorent tous les domaines actuels d'innovation. Les applications couvrent pratiquement tous les secteurs industriels et impliquent des phénomènes électriques, mécaniques, fluidiques et chimiques. Utilisez la recherche rapide pour trouver les présentations les plus intéressantes dans votre domaine d'intérêt.

Consultez les proceedings de la Conference COMSOL 2024

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MEMS Electrostatic Acoustic Pixel

A. Arevalo [1], D. Conchouso [1], D. Castro [1], I. G. Foulds [2],
[1] Computer, Electrical, & Mathematical Sciences & Engineering, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia
[2] The University of British Columbia, School of Engineering, Vancouver, BC, Canada

The growth of the electronics industry demand better components for the electronic systems. Such components need to be improve to keep up with the evolution of the digital era. The loudspeaker design has not been changed for almost a century [1-5]. The acoustic transducer is the last ... En savoir plus

Radio Frequency Resonator for Continuous Monitoring of Microfluidic Droplet Size Dispersity

D. Conchouso [1], G. Mckerricher [1], D. Castro [1], A. Arevalo [1], I. G. Foulds [2]
[1] King Abdullah University of Science and Technology, Thuwal, Makkah, Saudi Arabia
[2] School of Engineering, University of British Columbia - Okanagan, Vancouver, BC, Canada

Parallelization of droplet microfluidics is a challenging task because of the complex fluid mechanics coupling between parallel devices. Failure of few droplet generators can influence the size distribution of the final product and the correct operation of the neighbor devices. One of ... En savoir plus

Analysis of Stress-induced Pockels Effect in Silicon Waveguides

C. L. Manganelli [1], P. Pintus [1], C. Bonati [2], F. Di Pasquale [1]
[1] Scuola Superiore Sant'Anna, Pisa, Italy
[2] INFN - Sezione di Pisa, Pisa, Italy

The recently discovered Pockels effect in strained silicon has made silicon a promising candidate material for optical modulators and switches. In this work, we propose a model that links the electro-optic effect to the applied strain (in fact to the strain gradient). This model may be ... En savoir plus

Modeling the Electrical Parameters of a Loudspeaker Motor System with the AC/DC Module

M. Cobianchi [1], M. Rousseau [1], S. Xavier [1],
[1] B&W Group Ltd., Worthing, West Sussex, United Kingdom

The main purpose of a drive unit is to transform the electrical signal at its terminals into acoustic waves via two transduction mechanisms: electro-mechanical and mechano-acoustical. In this paper only the electro-mechanical transformation is discussed in view of a future optimization ... En savoir plus

Current Density Distribution for a Full Scale Industrial Alluminization Process

A. Giaccherini [1], S. Martinuzzi [2], E. Berretti [1], A. De Luca [3], A. Lavacchi [4], S. Caporali [2], M. Innocenti [3]
[1] Chemistry Department, University of Firenze, Firenze, Italy
[2] Consorzio INSTM, Firenze, Italy
[3] Chemistry Department, University of Firenze, Firenze, Italy
[4] Institute of Chemistry of Organometallic Compounds, CNR, Firenze, Italy

Respect to the previous approaches, in this communication the electrochemical and chemical kinetics as well as the transport phenomena, were modelled at very high level of theory, taking into account all the parameters affecting the galvanic process, including turbulent convection ... En savoir plus

Multiphysics Applications for Sustainable Engineering and Industrial Processes

S. Savarese [1], L. Kremer [1], C. Sanjeu [1]
[1] Armelio, Les Ulis, France

While addressing the pressing need for better, more sustainable engineering and production improvements, Armélio has identified that easy-to-use, customized, multiphysics applications would fulfill customer requirements. Hence, we now design and deliver COMSOL Multiphysics® apps bringing ... En savoir plus

Numerical Characterization of Magnetostrictive Response of GalFeNol Samples for Energy Harvesting

G. Canciello [1], A. Cavallo [1], C. D'Avino [2], D. Tornese [2], C. Visone [3]
[1] Dipartimento di Ingegneria Industriale e dell’Informazione, Seconda Università degli Studi di Napoli, Caserta CE, Italy
[2] Teoresi Group S.p.A, Torino, Italy
[3] Dipartimento di Ingegneria, Università del Sannio, Benevento BN, Italy

GalFeNol is a new Giant Magnetostrictive Material that can be used in energy harvesting especially in vibration reduction applications, thanks to the Joule and Villari effects. A 3D-model of GalFeNol rod is stressed by a time varying longitudinal force of 1000 N. The study has been ... En savoir plus

Structural Analysis of the Advanced Divertor eXperiment's Proposed Vacuum Vessel

J. Doody [1], R. Vieira [1], B. LaBombard [1], R. Leccacorvi [1], J. Irby [1], R. Granetz [1]
[1] Plasma Science and Fusion Center - Massachusetts Institute of Technology, Cambridge, MA, USA

The goal of a tokamak is to use high magnetic fields to contain plasma and produce nuclear fusion that can be used for power generation. MIT’s Plasma Science Fusion Center (PSFC) and collaborators are proposing a machine, the Advanced Divertor eXperiment (ADX) to test new technology for ... En savoir plus

A Systematic Method for Producing Simulated Scattered Field Data from Known Structures

R. S. Ritter [1], M. A. Fiddy [2],
[1] Olivet Nazarene University, Bourbonnais, IL, USA
[2] University of North Carolina - Charlotte, Charlotte, NC, USA

One of the greatest challenges in developing algorithms for imaging from scattered fields is the lack of suitable scattered field data from known targets. It has proved quite difficult to acquire this data from measurements in the laboratory due the fact it can be costly, time ... En savoir plus

Finite Element Modeling of Eddy Current Probes for CANDU® Fuel Channel Inspection

M. S. Luloff [1], T. W. Krause [2], J. Morelli [1],
[1] Queen's University, Kingston, ON, Canada
[2] Royal Military College of Canada, Kingston, ON, Canada

CANDU® reactor pressure tubes (PT) contain D2O, which is used as a moderator. Surrounding the PTs are gas-filled Calandria Tubes (CT), which thermally isolate the PTs from the moderator surrounding the fuel channels. If the garter springs move apart, the PT will sag into the CT. Under ... En savoir plus

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