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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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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

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

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

Modeling Dielectric Heating: A First Principles Approach

R. W. Pryor [1],
[1] Pryor Knowledge Systems, Inc., Bloomfield Hills, MI, USA

Dielectric heating is an important, widely employed electromagnetic heating technology utilized by consumers, small businesses and industry. This model is used to explore the physical differences manifested when different frequencies are utilized to execute the heat generation process on ... 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

Scattering from ZnO Nanorods in Absorbing Perovskite Layer

S. Shital [1], V. Dutta [1],
[1] Indian Institute of Technology Delhi, New Delhi, India

Increased light scattering have been found to improve the short-circuit current of photovoltaic devices. In this paper we have tried to optimize the dimensions of ZnO nanorods to achieve this. Scattering efficiency of these nanorods was evaluated by solving Maxwell’s electromagnetic ... En savoir plus

Microwave Radiation to Cure Cork Stoppers Using a Conventional Turntable Configuration

D. Fidalgo[1], J. Monteiro[1], L. Costa[1]
[1]I3N and Physics Department, University of Aveiro, Aveiro, Portugal

This work presents an alternative method for curing cork stoppers based on microwave radiation, which is energetically more efficient, where it is possible to accelerate the reaction rate and therefore reduce the cure time comparatively with conventional curing methods. The microwave ... En savoir plus

Numerical Investigation of Power Deposition and Transport Phenomena in Helicon Plasma Sources

M. Magarotto [1], F. J. Bosi [1], P. de Carlo [1], M. Manente [1], F. Trezzolani [1], D. Pavarin [1], P. Alotto [2], D. Melazzi [1],
[1] CISAS "G.Colombo", University of Padova, Padova, Italy
[2] Department of Industrial Engineering, University of Padova, Padova, Italy

Standard approaches to reproduce the coupling of wave propagation and plasma transport inside a helicon plasma source rely on electromagnetic simulations coupled to either kinetic or particle-in-cell strategies to reproduce the plasma response. If the plasma density reach values higher ... En savoir plus

Dielectric Properties of Heterogeneous Media with Inclusion of Fractal Media

Athalye Surabhi Sachin [1], Muhammad Zubair [1],
[1] Singapore University of Technology and Design, Singapore

The aim of this research is to study the electrostatic properties of heterogeneous media that have fractal geometries. Currently, composite dielectrics are assumed to have regular geometric structures (integer-based dimensions) and an isotopic, homogeneous dielectric permittivity; but, ... En savoir plus

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