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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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Transformation Optics Simulation Method for Stimulated Brillouin Scattering

R. Zecca [1], P. T. Bowen [1], D. R. Smith [1], S. Larouche [1],
[1] Center for Metamaterials and Integrated Plasmonics and Department of Electrical and Computer Engineering, Duke University, Durham, NC, USA

Stimulated Brillouin scattering (SBS) is a nonlinear phenomenon coupling optical and elastic waves. Traditionally regarded as an undesirable side-effect, it has garnered renewed interest as a platform for investigating slow light, nonreciprocity, and for designing high-performance chip ... En savoir plus

Model of a Pulsed Radiofrequency Technique for Pain Relief

E. Ewertowska [1], M. Trujillo [2], E. Berjano [1],
[1] Department of Electronic Engineering, Universitat Politècnica de València, Valencia, Spain
[2] Instituto Universitario de Matemática Pura y Aplicada, Universitat Politècnica de València, Valencia, Spain

Radiofrequency ablation is one of the common methods used to treat pain, movement or mood disorders. It bases on the electromagnetic energy provided to the selected tissue when an alternating current is applied. The resistive heating produced in this process provokes temperature rise in ... En savoir plus

Super-lattice Effects in Ordered Core-shell Nanorod Arrays Detected by Raman Spectroscopy

A. Alabastri, R. Krahne, A. Giugni, G. Das, R. P. Zaccaria, M. Zanella, I. Franchini, and E. di Fabrizio
Italian Institute of Technology (IIT)
Genoa, Italy

We studied the optical phonon excitations (LO) of ordered arrays of dot/ rod core-shell CdSe/ CdS nanorods by Raman spectroscopy. Upon deposition on planar substrates the nanorods formed super-lattice structures via side-by side assembly into tracks over some microns of length. COMSOL ... En savoir plus

A Study on the Suitability of Indium Nitride for THz Plasmonics

A. Shetty[1], K. J. Vinoy[1], S. B. Krupanidhi[2]
[1]Electrical Communication Engineering, Indian Institute of Science, Bangalore, India
[2]Materials Research Centre, Indian Institute of Science, Bangalore, India

As interest in the electromagnetic spectrum expands towards the infrared and terahertz range, the distinct advantages of using semiconductors instead of metals for plasmonic applications must be understood. Plasmonic resonances in gold (Au) and indium nitride (InN) gratings are studied, ... En savoir plus

Broadband Polarization-Independent and Wide-Angle Metasurface for Radar Cross Section Reduction

A. Vora [1], S. Joshi [2], D. Guney [1],
[1] Michigan Technological University, Houghton, MI, USA
[2] Touro College, New York, NY, USA

In the past few years, metamaterial perfect absorbers (MPA) have been extensively studied due to their incredible ability to manipulate electromagnetic waves and provide a broadband, polarization-independent, and wide-angle response for a host of applications. The need for high ... En savoir plus

Development of a 10 kW Microwave Applicator for Thermal Cracking of Lignite Briquettes

B. Lepers [1], G. Link [1], J. Jelonnek [1]
[1] Karlsruhe Institute of Technology, Institute for Pulsed Power and Microwave Technology, Karlsruhe, Germany

Introduction: The use of microwave energy for thermal cracking (from thermal stress and water pore pressure) of lignite-coal briquettes increases the lignite friability [1] and is beneficial for later chemical treatment inside a gasifier (for methanol production for example). An ... En savoir plus

Low-Loss Metallic Waveguide for Terahertz Applications

K.Singh [1], A.Sengupta [1], A.Bandyopadhyay [2],
[1] Indian Institute of Technology Delhi, New Delhi, India
[2] DRDO-JATC, New Delhi, India

Introduction: Terahertz waves (THz), also known as T-rays, range from 0.3 THz to 10 THz and hence positioned between Microwaves and Infrared radiations on the Electromagnetic spectrum. T-rays exhibit several distinctive properties which make these suitable for applications such as ... En savoir plus

Ultrafast Effects in 3D Metamaterials

N. Katte [1], P. Evans [2],
[1] Wilberforce University, Wilberforce, OH, USA
[2] Oak Ridge National Laboratory, Oak Ridge, TN, USA

The extraordinary electromagnetic response of nanostructured material, usually made up of a metallic structures distributed in within a dielectric matrix has attracted a lot of interest in recent years. These materials are technically called metamaterial (MM) since they possess ... En savoir plus

Air Flow Conditions For Flutter Energy Conversion Device

A. B. Atrah [1]
[1] Universiti Kebangsaan Malaysia, Malaysia

Fluid flow has the potential to provide significant mechanical energy input for electromagnetic energy harvesters. The effect of a bluff body, such as cylinder played a significant role in the creation of a Karman vortex profile in the fluid flow. We study the effect of the number and ... En savoir plus

Atmospheric Microwave Plasma

T. S. Marquardt [1], D. F. Shewamene [1], J. J. Swanson [1],
[1] Integrated Engineering, Minnesota State University, Mankato, MN, USA

Plasma gasification of biomass is emerging as an efficient way to reduce the carbon foot print of waste management while generating renewable energy. In general, gasification is a process where electromagnetic wave energy is used to heat biomass sufficiently to convert the bio-mass to ... En savoir plus

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