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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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Study of a Loudspeaker in a Vehicle Door

M. K. Bogdanski [1], F. Malbos [2], M. Strauss [1],
[1] Harman Becker Automotive Systems, VPDT, Straubing, Germany
[2] Harman France, VPDT, Paris, France

COMSOL Multiphysics® was used to evaluate the performance of a woofer coupled to an automotive door. Two uses cases were considered: rigid and non-rigid door structures. Using the Structural Mechanics Module, the speaker membrane displacement was computed for both cases from 20Hz to 500 ... En savoir plus

Radiation Force Effect at the Dielectric Water-Air Interface

G. V. B. Lukasievicz[1], N. G. C. Astrath[2], L. C. Malacarne[2], M. L. Baesso[2], S. E. Bialkowski[3]
[1]Universidade Tecnológica Federal do Paraná, Toledo, PR, Brazil
[2]Universidade Estadual de Maringá, Maringá, PR, Brazil
[3]Utah State University, Logan, Utah, USA

The radiation force effects on the surface displacement can be calculated by solving the Navier-Stokes equation with appropriated boundary conditions. The surface deformation can be described by the radiation pressure as well as those forces due to gravity and surface tension. We used ... En savoir plus

Analysis of 3D Biocompatible Additive Structure Using COMSOL Multiphysics® Software

E. Lacatus[1], M. A. Sopronyi[2], G. C. Alecu[1], A. Tudor[1]
[1]Polytechnic University of Bucharest, Bucharest, Romania
[2]INFLPR -National Institute for Laser Plasma and Radiation Physics, Bucharest, Romania

For biocompatible prosthetics, from dental implants up to bone parts, manufacturers have to find the best way to correlate process parameters and the material properties as to meet the unique needs of individuals. Additive manufacturing techniques aim at creating complex biocompatible ... En savoir plus

FEM Design of Interferometric FBGL Based Accelerometer for Underwater Applications

Malu Balachandran [1], R Rajesh [1], Sreehari C V [1], Khansa C A [1], K P B Moosad [1],
[1] Naval Physical and Oceanographic Laboratory, Kochi, Kerala, India

Fiber optic sensors have been designed for applications ranging from simple proximity detectors to state of the art inertial navigation systems. The optical sensing technique used in each of these applications depends primarily on the requirements. Fiber Bragg Grating Laser (FBGL) based ... En savoir plus

Inverse-Design in Large Photonic Gratings Enabling Efficient Photonic-to-Free-Space Mode Coupling

A. Yulaev¹, D. A. Westly², Vladimir A. Aksyuk²
¹Department of Chemistry and Biochemistry, University of Maryland, College Park, MD, USA
²PML, National Institute of Standards and Technology, Gaithersburg, MD, USA

Realization of an efficient coupling between photonic sub-micrometer size modes and hundred micrometer wide free-space beams remains a main engineering hurdle to a wider acceptance of miniaturized chip-scale atomic and bio systems. The major obstacle comes from a gigantic mode mismatch ... En savoir plus

Prediction and Optimization of Surface-Enhanced Raman Scattering Geometries using COMSOL Multiphysics

I. Knorr, K. Christou, J. Meinertz, A. Selle, J. Ihlemann, and G. Marowsky
Laser-Laboratorium Göttingen e.V., Germany

Raman spectroscopy is a commonly used tool in biodiagnostics and sensor technology. Surface-enhanced Raman scattering provides high signal enhancements especially at nanostructured metallic surfaces. In this paper the electromagnetic Raman enhancement from different metallic ... En savoir plus

Design and Optimization of an All Optically Driven Phase Correction MEMS Deformable Mirror Device using Finite Element Analysis

V. Mathur[1], K. Anglin[1], V.S. Prasher[1], K. Termkoa[1], S.R. Vangala[1], X. Qian[1], J. Sherwood[1], W.D. Goodhue[1], B. Haji-Saeed[2], and J. Khoury[2]

[1]Photonics Center, University of Massachusetts-Lowell, Lowell, Massachusetts, USA
[2]Air Force Research Laboratory/Sensors Directorate, Hanscom Air Force Base, Massachusetts, USA

Optically addressable MEMS mirrors are required for future high density adaptive optics array systems. We have demonstrated a novel technique of achieving this by actuating low stress Silicon Nitride micro mirrors via cascaded wafer bonded Gallium Arsenide photo detectors on Gallium ... En savoir plus

Virtual Thermal Ablation in the Head and Neck using COMSOL Multiphysics

U. Topaloglu[1], Y. Yan[2], P. Novak[2], P. Spring[3], J. Suen[3], and G. Shafirstein[3]
[1] Department of Information Technology, University of Arkansas for Medical Sciences, Little Rock, Arkansas, USA
[2]Department of Radiation Oncology, University of Arkansas for Medical Sciences, Little Rock, Arkansas, USA
[3]Department of Otolaryngology, University of Arkansas for Medical Sciences, Little Rock, Arkansas, USA

Thermal ablation in the head and neck requires accurate thermal dose delivery to target tissue while protecting the structure and function of nearby tissue and organs. In this study, we present a method that allows importing Computed Tomography (CT) scans to COMSOL, in order to model ... En savoir plus

Full-Wave Analysis of Nanoscale Optical Trapping

E. Furlani, and A. Baev
The Institute for Lasers, Photonics and Biophotonics, University at Buffalo, Buffalo, NY, USA

Plasmonic-based optical trapping is in its infancy and growing rapidly. Research in this area will significantly advance fundamental understanding in fields such as nanophotonics and biophotonics. Novel plasmonic trapping structures and systems can be designed and optimized using the ... En savoir plus

Modeling of snRNP Motion in the Nucleoplasm

M. Blaziková[1], J. Malínský[2], D. Stanek[3], and P. Herman[1]
[1]Faculty of Mathematics and Physics, Charles University, Prague, Czech Republic
[2]Institute of Experimental Medicine, Prague, Czech Republic
[3]Institute of Molecular Genetics, Prague, Czech Republic

Small nuclear ribonucleoprotein particles (snRNPs) are essential supramolecular complexes involved in pre-mRNA splicing, the process of post-transcriptional RNA modifications. The particles undergo complex assembly steps inside the cell nucleus in a highly dynamic compartment called the ... En savoir plus

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