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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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Boston 2024

Munich 2023

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

3D FEM-Simulation of Magnetic Shape Memory Actuators

M. Schautzgy [1], U. Kosiedowski [2], T. Schiepp [3],
[1] ETO MAGNETIC GmbH, Stockach, Baden-Württemberg, Germany ; Department of Mechanical Engineering, HTWG Konstanz, Konstanz, Baden-Württemberg, Germany
[2] Department of Mechanical Engineering, HTWG Konstanz, Konstanz, Baden-Württemberg, Germany
[3] ETO MAGNETIC GmbH, Stockach, Baden-Württemberg, Germany

Electromagnetic actuators are a well-known field where finite element simulations are applied. Magnetic Shape Memory (MSM) actuators represent a new type of smart electromagnetic actuators where the MSM material elongates and contracts when applying a magnetic field. The MSM material ... En savoir plus

An App for Calculating the Electric Field outside Electrical Installations

N. Lavesson [1],
[1] ABB Corporate Research, Västerås, Sweden

This paper describes the implementation of an app for calculating low frequency electric fields outside electrical installations. The app is based on a 2D parametric geometry chosen in such a way that it approximates a large class of electrical installations, which consist of a tower or ... En savoir plus

Transient Simulation of an Electrochemical Machining Process for Stamping and Extrusion Dies

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

Precise electrochemical machining (PEM) is a non-conventional machining technology, based on anodic dissolution of metallic work-pieces. In this study an additional extension of the precise electrochemical machining with a precise angle-controlled cylinder positioning is aimed. Due to ... En savoir plus

Model Order Reduction using COMSOL Multiphysics® Software - A Compact Model of a Wireless Power Transfer System

J. Pico [1], T. Bechtold [1], D. Hohlfeld [1],
[1] University of Rostock, Rostock, Germany

This work presents the application of mathematical methods of model order reduction (MOR) for automatic generation of highly accurate, compact models for wireless power transfer systems. We apply a block two-sided second order Arnoldi algorithm to automatically compute a compact model, ... En savoir plus

Two-Phase Flow Models of Gas Generation and Transport in Geological Formations

O. Silva [1]
[1] Amphos 21 Consulting S.L. - iMaGe Consortium, Barcelona, Spain

Gas generation and transport through porous media is a process common to many field applications such as radioactive waste and underground gas storage. In these operations, the gas phase evolution depends on the thermodynamic conditions at depth, the properties of the fluids (density, ... En savoir plus

Modeling, Simulation and Verification of Contactless Power Transfer Systems

J. Serrano [1], C. Carretero [1], J. Acero [1], I. Lope [1]
[1] University of Zaragoza, Zaragoza, Spain

This work presents the analysis of a wireless power transfer system consisting of two coupled coils and ferrite slabs acting as flux concentrators. The study makes use of Finite Element Method (FEM) simulations to predict the key performance indicators of the system such as coupling, ... En savoir plus

Numerical Study of Thermal Evaporation Unit for Phase Change of Liquid Hydrogen Peroxide to Vapor

Z. Jildeh [1], [2], [3], C. Hollenbeck [1], P. Kirchner [1], T. Wagner [2], P.H. Wagner [3], M.J. Schöning [2]
[1] Imagine Engineering GmbH, 50126 Bergheim, Germany
[2] Institute of Nano- and Biotechnologies (INB), FH Aachen, Campus Jülich, 52428 Jülich, Germany
[3] Soft Matter and Biophysics, Catholic University Leuven, 3001 Leuven, Belgium

Hydrogen peroxide (H2O2) vapor is a preferred medium of sterilization in different fields of industry. Among the fact that it dissociates to oxygen and water (environmentally-friendly), H2O2 vapor possesses strong mircobicidal and sporicidal characteristics. As such, the use of H2O2 ... En savoir plus

Model and App of Hydrophobic Meshes Used in Oil Spill Recovery

O. Silva [1], E. Coene [1], J. Molinero [1], B. Shafei [1]
[1] Amphos 21 Consulting S.L., Barcelona, Spain

Hydrophobic meshes are a new, promising technique for the recovery of spilled oil in the ocean. They allow to recover and store oil, while filtering it from the surrounding water. They are clean, efficient and can be used in continuously. These meshes have one drawback, however: if they ... En savoir plus

Multiphysics Analysis of a 130 GHz Klystron

A. Leggieri [1], D. Passi [1], R. Citroni [1], G. Saggio [1], F. Di Paolo [1]
[1] Dept. of Electronic Engineering, University of Rome “Tor Vergata”, Italy

The multiphysics analysis of a 130 GHz klystron is described in this paper. Critical quantities are exposed to multiple physics effects acting on narrow dimensions modified by power dissipations. The proposed device uses an integrated injection/bunching section described in last COMSOL ... En savoir plus

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