Consultez les proceedings de la Conference COMSOL 2020
Evaluation of Different Parallelization Strategies on a Cluster for Parametric Sweep in EC_NDT
As part of its research, the Group of Electrical Engineering Paris (GeePs) uses the COMSOL Multiphysics® software for applications in an Electrical Engineering context. At present, a multitude of problems, such as artificial intelligence and the database generation that goes with it, ... En savoir plus
Evaluation of the Ray-Tracing and Pressure Acoustic Solvers for Audio Simulations in a Vehicle
For automotive applications, acoustical simulation methods are used to optimize the position and orientation of the loudspeakers to get the best audio system performance. The goal of the presented paper is to evaluate the accuracy of the Pressure Acoustics interface (Finite Element, wave ... En savoir plus
Exploring a Cost-Effective Approach for Digital Radio Broadcasting Service Coverage Inside Tunnels
In the recent years, Rai Research Centre (CRITS) has been involved in investigating solutions to guarantee a satisfactory coverage of Digital Audio Broadcasting (DAB) service, in the 200 MHz frequency band, for challenging scenarios like tunnels. Preliminary field tests receiving the RF ... En savoir plus
Explosive Boiling of Thin Cu Wires: Experiments and Simulations
The simplicity, reliability and low costs of electro-mechanical breakers have made them the workhorse for the interruption of low voltage short-circuit currents. In the presence of a short circuit, the contacts of the breaker heat up, and a bridge of molten metal forms between the pair ... En savoir plus
FEM Model Highlights Clues of Surface Deformation Pattern at Campi Flegrei Caldera
Campi Flegrei Caldera is an active volcano located westward of Naples, Italy. Despite its volcanic activity spanning over 39,000 years, the area is densely populated and poses a significant threat to the inhabitants due to ongoing seismicity, ground uplift, and hydrothermal activity ... En savoir plus
Finite Element Analysis of Friction Stir Welding of Al Alloy and Inconel 718
Friction Stir Welding (FSW) is a solid-state joining technique that has become increasingly popular and efficient for welding both similar and dissimilar metallic materials. Despite its success in joining dissimilar materials, further development is necessary to meet industry ... En savoir plus
Fluxgate Virtual Current Sensor
The paper describes how the fluxgate current sensor works and how it is built in the COMSOL Multiphysics® software. Four COMSOL® modules were used: -AC/DC Module: the magnetic field physic is used in order to apply the Ampere-Maxwell’s law to the different sensor components and to the ... En savoir plus
Frequency-Controlled Manipulation of Particles in a Liquid Column Based on AC Dielectrophoresis
In this paper, the topic of frequency-controlled manipulation of sinking particles in a stationary liquid column based on AC dielectrophoresis is studied in depth. Particles sink downwards within a liquid column due to the gravitational force. In doing so, they are subjected to Stokes ... En savoir plus
Full-Wave Validation of Broadside Radiating MTS Antennas Designed with a Current-Based Approach
Metasurface (MTS) antennas are based on the use of special types of scattering surfaces patterned at a sub-wavelength scale with electrically small metallic dielectric inclusions, usually called unit cells [O. Quevedo-Teruel et al., Journal of Optics, vol. 21, 2019]. The radiation ... En savoir plus
Fully Automated FE-Application
The new FE Toolbox from Lauterbach Verfahrenstechnik GmbH combines precision and user-friendliness in one application. Our tool is tailor-made to reliably achieve a fast and accurate design of various components in pressure vessel design and plant design. With COMSOL Multiphysics we have ... En savoir plus