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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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CFD Analysis of a Macroscale Ultrasonic Separator

K. Chitale [1], B. Lipkens [1, 2], W. Presz, Jr. [1],
[1] FloDesign Sonics Inc., Wilbraham, MA, USA
[2] Western New England University, Springfield, MA, USA

Macroscale ultrasonic separation is a new filtration technology, with various applications such as cell clarification, cell therapy, blood-lipid separation, oil-water separation etc. These systems use piezoelectric transducers to create standing waves in fluid-particle mixture. Suspended ... En savoir plus

Simulation of an Immunodetection System Based on Magnetic Nanoparticles

A. Rabehi [1], H. Kokabi [1], L. Chen [2], K. A. Ngo [3], H.-J. Krause [2]
[1] Sorbonne Universités, Laboratoire d’Electronique et Electromagnétisme, Paris, France
[2] Peter Grünberg Institute, Bioelectronics, Forschungszentrum Jülich, Germany
[3] Sorbonne Universités, Laboratoire Interfaces et Systemes Electrochimiques (LISE), Paris, France

In a first approach towards application of the magnetic frequency mixing technique to microfluidic structures, microplanar coils have to be designed along with sample reservoir. For this, a COMSOL Multiphysics® electrical model along with an analytical calculation is used in order to ... En savoir plus

Modeling and Experimental Verification of the Power Transfer and Thermal Characteristics of Piezoelectric Transformers Subjected to Combined Mechanical and Electrical Loading

S. Tuncdemir[1], W.M. Bradley[2]
[1]Solid State Ceramics, Williamsport, PA, USA
[2]QorTek, Williamsport, PA, USA

A piezoelectric transformer allows purely mechanical transfer and scaling of electrical energy via simultaneous utilization of both the direct and converse piezoelectric effects. This mechanical energy transfer enables a wide range of functional differences from typical magnetic-based ... En savoir plus

Simulation Studies on the Design of a Helmholtz Resonator type Underwater Acoustic Sensor

Karthi Pradeep[1], G. Suresh[2], V. Natarajan[2],
[1]National Institute of Technology, Tiruchirappalli, Kerala, India
[2]Naval Physical & Oceanographic Laboratory (NPOL), Kochi, Kerala, India

A Helmholtz resonator type acoustic sensor has been designed using analytical method and finite element modeling software, COMSOL Multiphysics®. The acoustic sensor is an aluminium double frustum, hour glass, shaped with the resonator at the bottom and an acoustic horn above to amplify ... En savoir plus

Patch Antenna Model for Unmanned Aerial Vehicle

T. Eppes, I. Milanovic, and S. Thiruvengadam
University of Hartford
West Hartford, CT

Patch antennas are widely used in communications links with unmanned aerial vehicles. Their hemispherical send and receive patterns enable the systems to maintain radio frequency contact over a wide range of vehicular attitudes. A microstrip-fed design offers other attractive features ... En savoir plus

Modeling of the Material/Electrolyte Interface and the Electrical Current Generated During the Pulse Electrochemical Machining of Grey Cast Iron

O. Weber[1], A. Rebschläger[1], P. Steuer[1], D. Bähre[2]
[1]Center for Mechatronics and Automatization, Saarbrücken, Germany
[2]Institute of Production Engineering, Saarland University, Saarbrücken, Germany

The Pulse Electrochemical Machining is especially suitable for the precise production of complex geometric contours with high precision and high surface quality demands in series manufacturing. During this process, the negative structure of an electrode is copied to the workpiece without ... En savoir plus

Design Of Acoustic Metamaterials Based On The Concept Of Dual Transmission Line

A-S.Moreau[1], H.Lissek[1], and F. Bongard[2]
[1]Ecole Polytechnique Fédérale de Lausanne, Switzerland
[2]JAST SA, Antenna Systems, Lausanne, Switzerland

In this context, a one-dimensional acoustic transmission line, exhibiting metamaterial properties, is presented. It is composed of an acoustic waveguide, periodically loaded with membranes having the function of series capacitances, as well as transversally connected open channels ... En savoir plus

Analysis and Design of Antennas for an Implantable Medical Device System for Functional Electrical Stimulation

H. Suri[1]
[1]Alfred Mann Foundation for Scientific Research, Valencia, CA, USA

This poster outlines the results of finite element analyses to study the antenna radiation pattern of an implanted medical device. Also presented are simulation results used to design an electrically small antenna for a portable control unit that communicates with the implants over the ... En savoir plus

Accelerating R&D with COMSOL: A Personal Account

Erik Birgersson[1]

[1]Department of Chemical and Biomolecular Engineering, National University of Singapore, Singapore, Singapore

This presentation gives an account of how COMSOL Multiphysics® software has helped to accelerate research and development. It has been used to simulate energy systems such as fuel cells, biomedical systems such as hydrogels and human skin, and monolithic catalytic converters. Each of ... En savoir plus

Simulation and Fabrication of Wireless Passive MEMS Pressure Sensor

E.A. Unigarro Calpa[1], D.A. Sanz Becerra[1], A. Arciniegas[2], F. Ramirez[1], F. Segura-Quijano[1]
[1]Universidad de los Andes, Bogotá, Colombia
[2]Instituto Barraquer de América, Bogotá, Colombia

A wireless passive pressure sensor and the measurement system were design and simulated using COMSOL 4.3. The sensor is based on MEMS capacitor attached to a planar inductor for wireless powering and readout. An external coil is used for the measuring system. The pressure to be measured ... En savoir plus

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