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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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Surface Plasmon Resonance

J. Crompton[1], S. Yushanov[1], L.T. Gritter[1], K.C. Koppenhoefer[1]
[1]AltaSim Technologies, Columbus, OH, USA

The resonance conditions for surface plasmons are influenced by the type and amount of material on a surface. Full insight into surface plasmon resonance requires quantum mechanics considerations. However, it can be also described in terms of classical electromagnetic theory by ... En savoir plus

Using COMSOL® for the Development of the UK’s Second Hyperloop Prototype

A. Jocas [1], I. C. H, Chan [1], A. Malekos [1], H. P. Chan [1],
[1] The University of Edinburgh, UK

Hyperloop is a future concept of mass transportation proposed by Elon Musk. It uses electromagnetic propulsion to accelerate a passenger or cargo pod through a low-pressure tube. HYPED, the University of Edinburgh’s Hyperloop Team has created a prototype that uses linear halbach arrays ... En savoir plus

Use of COMSOL® AC/DC Module to Model a EM Sensor Deployed to Monitor Steel Transformation

J. Shen [1], W. Jacobs [1], L. Zhou [1], P. Hunt [2], C. Davis [1],
[1] Advanced Steel Research Centre, WMG, University of Warwick, Coventry, UK
[2] Primetals Technology Limited, Christchurch, UK

Real-time microstructure monitoring is important during the cooling process for hot-rolled strip steel production, as the microstructure formed determines the mechanical properties required by customers. The materials magnetic and electric properties, relative permeability and ... En savoir plus

HIIPER Space Propulsion Simulation Using Plasma Module

Z.Chen [1], E. Ziehm [1], G. H. Miley [1],
[1] University of Illinois at Urbana-Champaign, Urbana, IL, USA

The Helicon Injected Inertial Plasma Electrostatic Rocket (HIIPER) is an electric space propulsion concept to generate denser ion and electron beams using inertial electrostatic confinement (IEC) fusion theory and helicon source. Helicon source is employed to generate the plasma and the ... En savoir plus

Numerical study of the free surface in silicon melting by Cold crucible technique

S.Al Radi¹, R.Ernst, H.Abouchi, E.Favre and K. Zaidat¹
¹Grenoble Alpes University, SIMAP, St Martin d'Hères, France

Currently in the semiconductor industry more than 80% of silicon crystal are grown by the Czochralski (Cz) method. In this method, fused silica (SiO2) crucibles and graphite heaters are used inside furnaces. The surface of the crucibles, which are in contact with the molten silicon, is ... En savoir plus

Comparison and Optimization of MRF Dampers Performance with Different Piston Coil Winding Orientation using COMSOL Multiphysics®

P. Singh[1], S. Panda[2]
[1]Indian Institute of Technology (BHU), Varanasi, India
[2]IIT (BHU), Varanasi, India

Undesirable shocks and vibrations are a noteworthy issue in numerous human exercises and domains. Therefore, various damping techniques are used to minimise vibrations, can be classified as active, Semi-active and passive damping. The development of semi-actively controlled ... En savoir plus

EM Design and Analysis of Antenna Enclosed Ground-Based Radome

R. N.[1], S. Durgesh[1], B. Choudhury[1], R. Nair[1]
[1]CSIR-NATIONAL AEROSPACE LABORATORIES, India

Radome is a dielectric Electromagnetic (EM) transparent structure that encloses antenna and protects from various environmental conditions. The advancements in the field of high performance antennas increase the challenges in EM design and analysis of radome. The presence of radome ... En savoir plus

Propagation of Radio Signals Over the Sea Surface

K. Koppenhoefer[1], J. Crompton[1], S. Yushanov[1]
[1]AltaSim Technologies, USA

Propagation of radio signals can be significantly affected by the characteristics of the medium in which they travel such that the properties of the propagation path affect both the level and quality of the received signal as well as the distance over which signals can be reliably ... En savoir plus

Virtual Prototype of a Dielectric Window for High-Power Microwave Tubes

A. Leggieri[1], D. Passi[1], F. di Paolo[1]
[1]Dipartimento di Ingegneria Elettronica, Università degli Studi di Roma Tor Vergata, Rome, Italy

This paper describes the Virtual Prototype of a Dielectric Window or High Power Microwave Vacuum Tubes and Linear Accelerators. Design formulas are provided and Computer Aided Design techniques based on COMSOL Multiphysics® software are proposed. The virtual prototype considers the ... En savoir plus

Assessing COMSOL Performances on Typical Problems Faced by Turbo-Generator Manufacturers

E.A. Badea[1], J. Oesterheld[1], S. Friedel[2], M. Olsson[3]
[1]Alstom Schweiz, Birr, Switzerland
[2]COMSOL, Zürich, Switzerland
[3]COMSOL, Stockholm, Sweden

Multiphysics processes manifest in turbo-generators due to the leakage electromagnetic field of the stator and rotor end winding and its associated effects at machine frontal end. Such processes are a compilation of coupled phenomena having different electromagnetic, thermal, fluid flow ... En savoir plus

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