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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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Design and Development, via Prototype Testing and Multiphysics Modelling, of a Thermoelectric Generator (TEG) for Integration in Autonomous Gas Heaters

M. P. Codecasa[1], C. Fanciulli[1], R. Gaddi[2], F. Gomez Paz[3], and F. Passaretti[1]
[1]National Research Council of Italy - IENI Institute, Lecco, Italy
[2]Italkero S.r.l., Modena, Italy
[3]Studio di design Francisco Gomez Paz, Milano, Italy

An autonomous gas-heater for outdoor environments was selected as a test-case for cogeneration in gas-heaters and stoves, permitting installation and operation without need of an electrical network connection. A thermoelectric generator (TEG) was designed, converting part of produced ... En savoir plus

Design and Simulation of Piezoelectric Vibration Energy Harvesters of Various Shapes using COMSOL Multiphysics®

Priya Chhabra[1], Arjun Shetty[2]
[1]Electronic Science Department , Kurukshetra University, Kurukshetra, Haryana, India
[2]Electrical Communication Engineering, Indian Institute of Science, Bangalore, Karnataka, India

Various cantilever geometries (conventional rectangular,pi,Tandtriangular) are simulated using the Structural Mechanics module of COMSOL Multiphysics® to compare their spring constants. A layer of piezoelectric material (ZnO,AlN and PZT are modeled) is added to the cantilever and using ... En savoir plus

Modeling an Enzyme Based Electrochemical Blood Glucose Sensor with COMSOL Multiphysics

S. Mackintosh[1], J. Rodgers[1], S.P. Blythe[1]
[1]Lifescan Scotland, Inverness, Scotland

This paper describes the modeling of a blood glucose sensor using COMSOL Multiphysics. Chemical species interaction and diffusion, coupled with electrochemical oxidation of multiple blood species produced a powerful working model used in developing and refining a range of blood glucose ... En savoir plus

Investigation of Reverse ElectroDialysis Units by Multi-Physical Modelling

L. Gurreri [1], F. Santoro [1], G. Battaglia [1], A. Cipollina [1], A. Tamburini [1], G. Micale [1], M. Ciofalo [1],
[1] Dipartimento di Ingegneria Chimica, Gestionale, Informatica, Meccanica (DICGIM), Università degli Studi di Palermo (UNIPA), Palermo, Italy

Salinity gradient represents an interesting renewable energy source. Reverse ElectroDialysis (RED) is an ion exchange membrane-based process that convert directly the salinity gradient energy into electric current. Thereby, two solutions at different concentrations are fed into two ... En savoir plus

Simulation of Nuclear Radiation based Energy Harvesting Device using Piezoelectric Transducer

R. Prakash, K. M. V. Swamy, and B. G. Sheeparamatti
Basaveshwara Engineering College
Bagalkot, Karnataka,
India

MEMS(Microelectromechanical systems) based energy harvesting is process of extracting energy from natural resources in small amounts. Here, number of (millions) small energy harvesting modules lead to substancial energy. In this design, a piezoelectric material is used to scavenge ... En savoir plus

Design of a Pressure Sensor to Monitor Teeth Grinding

I.M. Abdel-Motaleb[1], K. Ravanasa[1], K.J. Soderholm[2]
[1]Department of Electrical Engineering, Northern Illinois University, DeKalb, IL, USA
[2]Department of Restorative Dental Sciences, College of Dentistry, University of Florida, Gainesville, FL USA

Studying teeth grinding behavior and other oral conditions requires the ability to accurately measure the pressure on the teeth. Placing a sensor in the mouth requires small size devices with powering and measurement techniques that do not hinder the normal life of the patient. To meet ... En savoir plus

Modeling of Supercapacitor

G. Madabattula[1], S. K. Gupta[1]
[1]Department of Chemical Engineering, Indian Institute of Science, Bangalore, Karnataka, India

Low cost high energy density batteries that can be charged and discharged rapidly are required in a number of applications. Tapping energy from renewal resources such as solar, wind and tide requires rapidly generated energy to be first stored and then used round the clock. Storing ... En savoir plus

Design of FIDT for 3D Analysis of MEMS Based Gas Sensor Using SAW Technology

V. S. P. Rajesh [1],
[1] St. Mary's Group of Institutions, Hyderabad, India

3D model of MEMS based SAW gas sensor is designed using Focused Inter Digital Transducers design. Surface displacement & Electrical potential are analyzed at resonance & anti-resonance frequencies. Operating frequency is from 8.7 MHz which acts as start band and 9.2 MHz as stop ... En savoir plus

Simulation of a Tether Structure for Ultra-stretchable Monolithic Silicon Fabric

A. Arevalo [1], J. Prieto [1], M. M. Hussain [1], I. G. Foulds [2],
[1] Computer, Electrical, & Mathematical Sciences & Engineering, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia
[2] The University of British Columbia, School of Engineering, Vancouver, BC, Canada

The role of stretchable electronics systems allows the design of new reconfigurable macro-electronics, that extends a device capability to function as a distributed sensor network which can potentially be used for wearable electronics. At the moment such devices are primarily based on ... En savoir plus

Simple Disk Piezo Transformer Based Oscillator

J. P. Sandoz[1], J. M. Kissling[1]
[1]Institute of Applied Microtechnology, La Chaux-de-Fonds, HE‐ARC, Switzerland

In this contribution we present a COMSOL Multiphysics® example of a disk piezoelectric ceramic transformer (D-PT) coupled with a bipolar NPN transistor to form an auto-oscillator. The comparison between the simulations and the measurements made on our prototype are found to be in good ... En savoir plus

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