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Voyez comment la modélisation et la simulation sont utilisées par les industries La modélisation et la simulation multiphysiques pilotent l'innovation dans tous les grands secteurs d'activité et dans le monde universitaire — comme en témoignent les nombreuses utilisations présentées dans des articles et des posters techniques présentés par des ingénieurs, chercheurs et scientifiques à la Conférence COMSOL chaque année. Inspirez-vous des récents proceedings réunis ci-dessous, ou, pour trouver les présentations les plus intéressantes dans votre domaine d'intérêt, utilisez la recherche rapide.

Consultez les proceedings de la Conference COMSOL 2024

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Design of Ultrasonic MEMS Temperature Sensor Using COMSOL Multiphysics® Software

S. K. Kamilla [1], G. Parag [1], H. Tripathy [1], P. Pattanaik [1],
[1] Semiconductor Research Lab, ITER, Siksha 'O' Anusandhan University, Bhubaneswar, Odisha, India

The attempt has taken to miniaturized size of non contact temperature sensor by using ultrasonic trans-receiver. The piezoelectric material is used in both transmitter and receiver ends for this ultrasonic Micro-Electronics Mechanical Systems (MEMS) based temperature sensing device. ... En savoir plus

Nanoscale Heat Transfer using Phonon Boltzmann Transport Equation

S. Sihn[1,2], and A.K. Roy[2]

[1]Air Force Research Laboratory, Wright-Patterson Air Force Base, Dayton, Ohio, USA
[2]University of Dayton Research Institute, Dayton, Ohio, USA

COMSOL Multiphysics was used to solve a phonon Boltzmann transport equation (BTE) for nanoscale heat transport problems. One dimensional steady-state and transient BTE problems were successfully solved based on finite element and discrete ordinate methods for spatial and angular ... En savoir plus

Simulation of Droplet Impingement on a Solid Surface by the Level Set Method

J. Hu[1], R. Jia[1], K. Wan[2], X. Xiong[3]
[1]Department of Mechanical Engineering, University of Bridgeport, Bridgeport, CT, USA
[2]Mechanical and Industrial Engineering, Northeastern University, Boston, MA, USA
[3]Department of Electrical Engineering, University of Bridgeport, Bridgeport, CT, USA

The dynamic behavior of droplet impingement on a solid surface is important to many engineering applications. This paper studied the dynamic behavior of a droplet impinging onto solid dry surfaces with different surface wettability using the COMSOL Multiphysics® software. The simulation ... En savoir plus

Seeding Distribution in the Channel of a Cell Culture Vessel

J. Brcka [1], K. Kagawa [2], S. Ozaki [2], Y. Oshima [3], G. Zhang [4],
[1] Tokyo Electron U.S. Holdings, Inc., Austin, TX, USA
[2] Tokyo Electron, Technology Development Center, Chuo-ku, Kobe, Japan
[3] Tokyo Electron Europe LTD, Stem Cell Technology Centre, Stevenage, United Kingdom
[4] Clemson University, Rhodes Engineering Research Center, Clemson, SC, USA

Conventional cell culture (CC) techniques are advancing significantly with a trend towards a mass production. While plating density (number of cells per volume of culture medium) plays a critical role for some cell types, the initial distribution of these cells is affected by the actual ... En savoir plus

COMSOL Multiphysics® Simulation of 3D Single-Phase Transport in a Random Packed Bed of Spheres

A. Dixon[1]
[1]Department of Chemical Engineering, Worcester Polytechnic Institute, Worcester, MA, USA

Packed beds are important in the chemical industries. Computational fluid dynamics (CFD) can simulate detailed flow and scalar transport in packed beds for improved understanding and quantitative information. We present simulations of single-phase gas flow, conjugate heat transfer and ... En savoir plus

Design and Simulation of MEMS Based Piezoelectric Insulin Micro-Pump

F. Meshkinfam [1],
[1] University of Ontario Institute of Technology, Oshawa, ON, Canada

One of the most effective treatments for diabetes type 1 and 2 is the administering Insulin. The design of positive volumetric insulin pump is significantly a multiphysics problem where the volumetric change of the main pump chamber and the pumped fluid are directly coupled. We used ... En savoir plus

2D Axisymmetric Simulation of Pulsed Electrochemical Machining (PECM) of Internal Precision Geometries

M. Hackert-Oschätzchen [1], M. Kowalick [1], R. Paul [1], M. Zinecker [1], D. Kuhn [1], G. Meichsner [2], A. Schubert [3],
[1] Professorship Micromanufacturing Technology, Technische Universität Chemnitz, Chemnitz, Germany
[2] Fraunhofer Institute for Machine Tools and Forming Technology, Chemnitz, Germany
[3] Professorship Micromanufacturing Technology, Technische Universität Chemnitz, Chemnitz, Germany; Fraunhofer Institute for Machine Tools and Forming Technology, Chemnitz, Germany

This study presents investigations on a developed process design for manufacturing internal precision geometries by pulsed electrochemical machining (PECM) with help of multiphysics simulations. Therefore, a 2D axisymmetric transient model was created. The considered physical phenomena ... En savoir plus

Modeling the Sound Radiation by Loudspeaker Cabinets

M. Cobianchi[1], M. Rousseau[1]
[1] B&W Group Ltd, Steyning, UK

While musical instruments often rely on a body which resonates on purposefully to amplify the vibration produced by a string or a membrane, such as in a violin or a guitar, loudspeaker cabinets should not contribute at all to the total sound radiation, but aim instead to be a perfectly ... En savoir plus

Analysis of High-Frequency Thermoacoustic Instabilities in Lean, Premixed Gas Turbine Combustors

F. Berger [1], T. Hummel [1], P. Romero [1], M. Schulze [1], B. Schuermans [2], T. Sattelmayer [1],
[1] Lehrstuhl für Thermodynamik, TU München, Germany
[2] GE Power, Switzerland

Modern gas turbine systems for power generation are prone develop so-called thermosacoustic instabilities in the combustion chamber. Physically, these instabilities emerge as large amplitude pressure oscillations within the combustor, which are caused by constructive feedback ... En savoir plus

Modelling of a Direct Methanol Fuel Cell

J.-F. Drillet [1],
[1] DECHEMA-Forschungsinstitut, Frankfurt, Germany

This work aims at the modelling of a 5 cm^2 Direct Methanol Fuel Cell (DMFC) with mixed serial/parallel serpentine flow fields in terms of current/voltage behaviour. The geometrical design of the single cell is presented in figure 1. The function principle as well as the electrochemical ... En savoir plus

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