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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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Chemical Reactions in a Microfluidic T-Sensor: Numerical Comparison of 2D and 3D Models

R. Winz[1][2], N. Schröder[1], W. Wiechert[1], and E. von Lieres[1]
[1]Institute of Biotechnology 2, Research Centre Jülich, Jülich, Germany
[2]Research Center for Micro and Nanochemistry, University of Siegen, Siegen, Germany

In recent years lab-on-microchip technology has become a powerful tool for micro-scale analysis of biochemical processes. In the studied system the overall process consists of transport, convection, diffusion, reaction and adsorption processes. Two compounds A and B, contained in a ... En savoir plus

Design and Analysis of Implantable Nanotube Based Sensor for Continuous Blood Pressure Monitoring

M. Silambarasan, T. Prem Kumar, M. Alagappan, and G. Anju
PSG College of Technology
Coimbatore
Tamil Nadu, India

The present work aims to develop a blood pressure sensor using MEMS/NEMS technology. A normal blood pressure detector is used externally, but this work mainly aims for designing an implantable nanotube based sensor for continuous monitoring of blood pressure. The use of COMSOL ... En savoir plus

Design of MEMS Based High Sensitivity and Fast Response Capacitive Humidity Sensor

R. Karthick, S. P. K. Babu, A. R. Abirami, and S. Kalainila
Periyar Maniammai University
Periyar Nagar
Vallam, Thanjavur
Tamilnadu, India

This paper presents the design and simulation of high sensitivity and fast response capacitive humidity sensor. Generally, the capacitive humidity sensor is made up of parallel electrode, the upper electrode being a grid with various line width and line spacing. A model is simulated ... En savoir plus

Numerical Modeling of a MEMS Sensor with Planar Coil for Magnetic Flux Density Measurements

J. Golebiowski[1], S. Milcarz[1]
[1] Department of Semiconductor and Optoelectronics Devices, Technical University of Lodz, Lodz, Poland

The silicon cantilever with the planar coil was applied to the magnetic flux density measurements. The influence of shape and dimensions of planar coil on magnetic energy density was described. In cause of magnetic anisotropy of analyzed silicon structure FEM method and couple field ... En savoir plus

Modeling of Silicon Piezoresistive Pressure Sensor: Application to Prevent Some Diabetes Complications

F. Kerrour[1], A. Beddiaf[1], M. Benabbas-Marir[1]
[1]MODerNa Laboratory, University Mentouri, Constantine, Algeria

Several analytical solutions describing the mechanical behavior of a silicon micro membrane deflection, perfectly embedded and subjected to a uniform and constant pressure have been proposed. The obtained results are compared with those obtained by using COMSOL software for a rectangular ... En savoir plus

Modeling building and parameter estimation for electrodialysis systems

M. Fidaleo¹, Leonel Cedrik Mafotang Tsague ¹
¹University of Tuscia, Viterbo, VT, Italy

Electrodialysis (ED) is a unit operation for the separation of electrolytes with numerous applications in the chemical, food and biotechnological fields. Its modeling requires estimating several parameters and performing many batch desalination experiments (Fidaleo and Moresi, 2005). ... En savoir plus

Combined Analytical and Numerical Modeling of a Resonant MEMS Sensor for Viscosity and Mass Density Measurements

S. Cerimovic[1], R. Beigelbeck[2], H. Antlinger[3], J. Schalko[2], B. Jakoby[3], and F. Keplinger[1]
[1]Institute of Sensor and Actuator Systems, Vienna University of Technology, Vienna, Austria
[2]Institute for Integrated Sensor Systems, Austrian Academy of Sciences, Wiener Neustadt, Austria
[3]Institute for Microelectronics and Microsensors, Johannes Kepler University Linz, Linz, Austria

A resonant MEMS sensor for viscosity and mass density measurements of liquids was modeled. The device is based on Lorentz-force excitation and features an integrated piezoresistive readout. The core sensing element is a rectangular vibrating plate suspended by four beam springs. The ... En savoir plus

3D FEM-analysis of a Micromachined Wind Sensor Based on a Self-heated Thermistor Array

A. Talic[1], S. Cerimovic[2], M. Mutapcic[2], R. Beigelbeck[1], and F. Keplinger[2]
[1]Institute for Integrated Sensor Systems, Austrian Academy of Sciences, Wiener Neustadt, Austria
[2]Institute of Sensor and Actuator Systems, Vienna University of Technology, Vienna, Austria

We present COMSOL-based analyses and design optimizations of a micromachined wind sensor. The sensor relies on eight germanium thermistors embedded in a thin silicon nitride membrane, where two orthogonally arranged ensembles, each consisting of four thermistors, are connected to form a ... En savoir plus

MODELING MOISTURE DIFFUSION AND HYGROSCOPIC DEFORMATION IN EPOXY RESIN USING COMSOL MULTIPHYSICS

H.Tarin¹, J.Fajoui², J.Cocaud², P.Casari², F.Jacquemin², A.Célino², S.Fréour², A.Arhaliass³, A.Rhallabi⁴, A.E.Masri⁵
¹Nantes Université, CNRS, GeM, UMR 6183, F-44600 Saint-Nazaire, France
²1 Nantes Université, Ecole Centrale Nantes, CNRS, GeM, UMR 6183, F-44600 Saint-Nazaire, France
³Nantes Université, CNRS, GEPEA, F-44600 Saint-Nazaire, France
⁴Nantes Université,CNRS, Institut des Matériaux de Nantes Jean Rouxel, France
⁵3CPN SARL, 81 rue des Bleuets, 44150 Vair Sur Loire, France

Rapid advancements in composites have positioned epoxy resins as a critical material in high-pressure applications such as water transport systems, oil and gas transport, and marine and aerospace applications. Epoxies are preferred over other materials due to their enhanced mechanical ... En savoir plus

2D Simulations and Electro-Thermal Analysis of Microheater Designs using COMSOL for Gas Sensor Applications

G. Velmathi, N. Ramshanker, and S. Mohan
Department of Instrumentation, Indian Institute of Science, Bangalore, Karnataka, India

Microheaters have been widely investigated because of their extensive applications in gas sensors, flow rate sensors and other Microsystems. The geometric optimization for the microheater was performed by simulating a wide range of possible geometries using COMSOL Multiphysics, a ... En savoir plus

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