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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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Three-Dimensional Numerical Study of the Flow Past a Magnetic Obstacle

M. Rivero[1], O. Andreev[2], A. Thess[3], S. Cuevas[4], T. Fröhlich[1]
[1]Institute of Process Measurement and Sensor Technology, Ilmenau University of Technology, Ilmenau, Germany
[2]Helmholtz-Zentrum Dresden-Rossendorf e. V., Institut für Sicherheitsforschung Abteilung Magnetohydrodynamik, Dresden, Germany
[3]Institute of Thermodynamics and Fluid Mechanics, Ilmenau University of Technology, Ilmenau, Germany
[4]Instituto de Energías Renovables, Universidad Nacional Autónoma de México, Temixco, Morelos, México

Flows of electrically conducting liquids in external magnetic fields are present in several applications. In this kind of flow, the inhomogeneous magnetic field creates a breaking force on the conducting fluid. As a result, a stagnant zone is formed in the zone affected by the localized ... En savoir plus

Multi-Domain Analysis of Silicon Structures for MEMS Based-Sensors

N. Bhalla[1], S. Li[2], and D. Chung[1]
[1]Chung Yuan Christian University, Chungli,Taiwan
[2]National Tsing Hua University, Hsinchu, Taiwan

Investigation in this paper aims at performing Mechanical Stress Strain analysis, Thermal, Piezoresistive and Piezoeletric analysis of Silicon Structures using COMSOL. The simulation results have been cross checked by mathematical calculation. En savoir plus

Aerothermal Simulation of a Refrigerated Truck Under Open/Closed-Door Cycles

P. Namy [1], A. Oury [1], M. Youbi-Idrissi [2],
[1] SIMTEC, Grenoble, France
[2] AIR LIQUIDE, Jouy en Josas, France

Heat transfer inside a refrigerated truck is a key phenomenon that governs the temperature inside the truck and the regulation of the cooling system. Up to now, a lot of experimental studies ([Tso et al., 02]) have been carried out to assess the effect of opening the door and to minimize ... En savoir plus

Optimization of the Gas Flow in a GEM Tracker with COMSOL and TENDIGEM Development

F. Noto[1,2], V. Bellini[1,2], E. Cisbani[3,4], V. De Smet[1,5], F. Librizzi[6], F. Mammoliti[1,2], and C. Sutera[6]
[1]Dipart. di Fisica ed Astronomia, Università di Catania, Catania, Italy
[2]INFN – Sezione di Catania, Catania, Italy
[3]IINFN – Sezione di Roma - Sanità Group, Roma, Italy
[4]Italian National Institute of Health, Roma, Italy
[5]Haute Ecole Paul-Henri Spaak, ISIB, Bruxelles, Belgium
[6]NFN - Sezione di Catania, Catania, Italy

The Gas Electron Multiplier (GEM) technology has been proven to tolerate rate larger than 50 MHz/cm2 without noticeable aging and to provide the sub millimeter resolution on working chambers up to 45x45 cm2. A new GEM based tracker is under development for the Hall A upgrade at ... En savoir plus

Inverse Estimation of the Flow Resistivity Tensor of Open-Cell Foams from Experimental Data and Darcy’s Flow Simulations

C. Van der Kelen, P. Göransson, and N-E.Hörlin
Marcus Wallenberg Laboratory for sound and vibration research, KTH Aeronautical and Vehicle Engineering, Stockholm, Sweden

The flow resistivity tensor, which is the inverse of the viscous permeability tensor, is one of the most important material properties for the acoustic performance of open cell foams, used in acoustic treatments. Due to the manufacturing processes, these foams are most often ... En savoir plus

Simulations of MEMS Based Piezoresistive Accelerometer Designs in COMSOL

N. Bhalla[1], S. Li[2], and D. Chung[1]
[1]Chung Yuan Christian University, Taiwan, (R.O.C)
[2]National Tsing Hua University, Taiwan, (R.O.C)

Different configurations of MEMS based accelerometer has been made and analysed using COMSOL Multiphysics. The designs presented in this paper consist of a square shaped proof mass with flexures supporting it. Different position and varied number of supporting flexures attached to the ... En savoir plus

Efeito da Pulsação do Ar Durante a Fluidização de Partículas de Amido de Milho

G. C. Dacanal [1], M. G. Thomazi [1], R. Ribeiro [1],
[1] Universidade de São Paulo, Faculdade de Zootecnia e Engenharia de Alimentos, Pirassununga, SP, Brasil

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

Simulation of Fast Response Thermocouple for the Nuclear Reactor Core

K. Dusarlapudi[1], B. K. Nashine[2], D. Bai[3], and C. S. Babu[1]
[1]KL University, Vaddeswaram, Guntur, Andhra Pradesh, India
[2]E.D&S.S, IGCAR Kalpakkam, India
[3]VIT, Vellore, India

Thermocouples have been used for measurement of temperature ever since the discovery of Seebeck effect. Though the voltage output of a thermocouple is a function of the temperature difference between hot and cold junctions, the response time and the magnitude of voltage depends on the ... En savoir plus

Extraction of COM Parameters and Quality Factor of One Port SAW Resonator Using FEM Based Simulation

A. K. Namdeo[1], H. B. Nemade[1]
[1]Department of Electronics and Electrical Engineering, Indian Institute of Technology Guwahati, Assam, India

The paper presents a method of extraction of coupling of modes (COM) parameters for a one port surface acoustic wave (SAW) resonator from the results of finite element analysis in COMSOL Multiphysics®. The COM parameters calculated are electromechanical coupling coefficient, reflection ... En savoir plus

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