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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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An Acoustical Finite Element Model of Perforated Elements

P. Bonfiglio[1][2] and F. Pompoli[1][2]
[1]Materiacustica S.r.l., Ferrara, Italy
[2]Engineering Department, University of Ferrara, Ferrara, Italy

The present work deals with a numerical investigation of resonating systems used for noise control applications. In literature one can find analytical models based on fluiddynamics concepts for evaluating losses occurring across the holes of the perforates. In the paper an acoustical ... En savoir plus

Thermo-Mechanical Analysis of Composite Material Exposed to Fire

A. Davidy[1]
[1]IMI, Ramat Hasharon, Israel

This paper presents thermo-mechanical models for predicting the strength of polymer laminates loaded in tension or compression exposed to one-sided radiant heating by fire. The first part is the fire simulation where the FDS model is utilized. The FDS model generates a solution of ... En savoir plus

Heat Generation from Dielectric Loss, Internal Heat Generation and Vibration in COMSOL4.2 Multiphysics

T. R. Jeba, B. Vins, and V. Ramamoorthy
HCL Technologies

This paper presents a FEA approach to estimate temperature rise and thermal stress experienced in PZT/Solid structure due to internal heat generation and dynamic excitation. The power dissipative density consumed by structural damping of the mass structure, internal heat generation due ... En savoir plus

Modeling and Design of Material Inkjet Printer Ultraviolet LED Curing Cartridges Using COMSOL Multiphysics® for Printed Electronics Applications

M. Guvench[1], R. Wiswell[1]
[1]University of Southern Maine, Gorham, ME, USA

COMSOL Multiphysics® coupled with Solidworks® is employed to design, simulate and fabricate cartridges for a materials printer to accomplish in-situ curing of UV curable ink patterns as they are printed on flexible media for printed electronic circuit manufacturing. The cartridges ... En savoir plus

The Friction Coefficient of Fractal Aggregates in the Continuum and the Transition Regimes

A. Melas[1][3], A.G. Konstandopoulos[1], L. Isella[2], Y. Drossinos[1]
[1]Department of Chemical Engineering, Aristotle University, Thessaloniki, Greece
[2]European Commission, DG Energy, Luxemburg
[3]European Commission, Joint Research Centre, Ispra, Italy

Aerosol and colloid aggregates are complex fractal-like structures composed of primary spheres. The drag force exerted on a fractal-like object is usually determined by solving numerically the Stokes equation. In this study we calculate it by relating it to a molecule-aggregate collision ... En savoir plus

In Silico Evaluation of Local Hemodynamics Following Vena Cava Filter Deployment

J. Ferdous[1], M. Ghaly [2], V. B. Kolachalama [3], T. Shazly[1,4]
[1]Biomedical Engineering Program, University of South Carolina, Columbia, SC, USA
[2]Department of Biomedical Engineering, North Carolina State University, Raleigh, NC, USA
[3]Charles Stark Draper Laboratory, Cambridge, MA, USA
[4]Department of Mechanical Engineering, University of South Carolina, Columbia, SC, USA

Inferior vena cava (IVC) filters have become essential components in deep vein thrombosis treatment to prevent preventing pulmonary embolisms. Filter efficacy relies on maintaining IVC patency by preventing filter-induced thrombosis following clot capture. A computational model has been ... En savoir plus

Numerical Simulation of Magnetic Drug Targeting with Flow – Structural Interaction in an Arterial Branching Region of Interest

A. Morega, A. Dobre, and M. Morega
University Politehnica of Bucharest, Bucharest, Romania

We report a numerical study on the blood – magnetic carrier aggregate flow in an external magnetic field, for applications such as magnetic drug targeting. The arterial system morphology is complex and patient-related therefore more realistic numerical simulations request medical image ... En savoir plus

Pseudo-3D Multiphysics Simulation of a Hydride Vapor Phase Epitaxy Reactor

M. Hackert-Oschätzchen[1], M. Penzel[1], P. Plänitz[2], A. Schubert[1][3]
[1]Chemnitz University of Technology, Chemnitz, Germany
[2]GWT-TUD, Dresden, Germany
[3]Fraunhofer Institute for Machine Tools and Forming Technology IWU, Chemnitz, Germany

Gallium nitride (GaN) and its related nitride alloys with special physical properties are in technical areas of high interest. The growing of gallium nitride boules on non-native sapphire or silicon carbide requires complicated mechanisms of defect reduction in the lattice structure. ... En savoir plus

Optimization of the Design of a GEM Tracker Based on Gas Flow Simulations with COMSOL

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

A Computational Fluid Dynamics study has been performed for a Gas Electron Multiplier (GEM) detector of high energy charged particles, currently under development as part of a new tracker of the high luminosity spectrometers in Hall A at Jefferson Lab. By gradual modifications of the ... En savoir plus

Experimental and Theoretical Investigation of Acoustic Metamaterial with Negative Bulk-Modulus

N. R. Mahesh, and P. Nair
SSN College of Engineering
Chennai
Tamil Nadu, India

Acoustic metamaterials are structured materials of negative mass density or negative bulk-modulus or both of them. Materials are tailored in sub-wavelength dimensions so as to get these negative properties. This paper compares the result of an experimental investigation of acoustic ... En savoir plus

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