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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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Multiphysics Modeling of Heat Transfer During Fiber Drawing

K. Koppenhoefer [1], J. Thomas [1], L. Gritter [1], J. S. Crompton [1], T. Tower [2],
[1] AltaSim Technologies, Columbus, OH, USA
[2] Kimberly-Clark, Inc., Neenah, WI, USA

The process of cold drawing a fiber over rollers is analyzed in this work to predict the temperature rise due to the heat generated during plastic deformation of the fiber. Experimental measurements on prototypes indicated an unacceptable temperature rise of greater than 100 F requiring ... 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

Multiphysics Modeling of Piezotronic Effect of ZnO Nanowires Under Arbitrary Loading

m. El Hachemi[1], J. Polesel[1]
[1]Luxembourg Institute of Science and Technology (LIST), Luxembourg

In order to exploit the piezotronic effect of Zinc Oxide (ZnO) crystal and to design an optimal high gauge strain sensors. One would require a deep understanding of the dynamics of charge carrier transport and accurately predict the levels of mechanical stress field and electrical charge ... En savoir plus

Simulation of Cooling Induced Stress Distribution in Diamond Layer Coating on Steel Tools

M. Penzel[1]
[1]Technische Universität Chemnitz, Germany

Diamond is a modification of carbon and so far the hardest known material. It is well suitable as a protection layer on various materials at high erosive, mechanical or chemical load. CVD diamond coated tools have high wear resistance, tool life, and surface quality. In this research ... En savoir plus

SpaceX Hyperloop Competition: Design and Manufacturing of A Carbon Fiber Composite Chassis for the 2019 Epfloop Prototype Using COMSOL Multiphysics® Composite Materials Module

Z. Sajo[1], A. Gimonnet[2], L. Benedetti[3], N. Riva[1]
[1]EPFL, Switzerland
[2]EPFL, EPFLoop, Switzerland
[3]EPFLoop, Switzerland

The EPFLoop team from Ecole Polytechnique Fédérale de Lausanne has developed a capsule thanks to which it achieved 3rd place in SpaceX’s Hyperloop Pod Competition in 2018. This year the EPFLoop team has been selected again to participate at the 2019 Competition held at the SpaceX ... En savoir plus

Active Control of MEMS Resonator Parameters via Electromechanical Feedback

M. Hodjat-Shamami [1], F. Ayazi [1],
[1] Georgia Institute of Technology, Atlanta, GA, USA

MEMS resonators have been recently adopted in a wide variety of timing, sensing, and actuation applications. The ability to control the dynamics of resonance, namely the resonance frequency and quality factor of these resonators is crucial in achieving high precision performance within ... En savoir plus

Near-Field of Resonating Piezoelectric Membrane Used as Ultrasound Transducer

V. Tzanov [1], J. Munoz [1], F. Torres [1], N. Barniol [1],
[1] Universitat Autonoma de Barcelona, Bellaterra, Spain

Micro-machined ultrasound transducers have a wide range of applications. As a sensor or actuator they can be used for measuring fluid speed and direction, to mix and excite particles (sonication), for taking images (ultrasonography), for non-destructive testing and many other purposes in ... En savoir plus

Multiphysics Analysis of RF Cavities for Particle Accelerators: Perspective and Overview

M. Awida [1],
[1] Fermi National Particle Accelerator Laboratory, Warrenville, IL, USA

Particle accelerator technology evolves gradually towards improving reliability and efficiency of the accelerator machines, which would reduce their cost for current applications and even make them more accessible to new industrial applications. RF cavities are utilized in particle ... En savoir plus

Modeling Fluid-Induced Porous Scaffold Deformation

J. Podichetty Thribhuvan[1], S.V. Madihally[1]
[1]Oklahoma State University, Stillwater, OK, USA

Utilization of bioreactors to regenerate tissues outside the body has been intensely investigated in functional tissue engineering. Various studies have been performed using computational fluid dynamics (CFD) to understand fluid flow within bioreactors while assuming porous scaffold as a ... En savoir plus

Homogenization of Fiber Composite Material Properties: An Adaptive Multiphysics Implementation

J. Stolz [1], P. Fideu [2], A. Herrmann [1],
[1] Faserinstitut Bremen e.V., Bremen, Germany
[2] Airbus Operations GmbH, Hamburg, Germany

Fiber-reinforced composite materials are widely used for building lightweight parts in several application fields like aviation or naval industry. Here the longitudinal fibers, which take the main mechanical loads of the component, are embedded in a shape giving resinous matrix. The ... En savoir plus

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