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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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Studies on Attenuation in Ultrasonic Flow Meter

Shalini [1], G.J.Gorade [1], Rohini Datar [1], S.K.Sinha [1],
[1] Bhabha Atomic Research Centre, Mumbai, Maharashtra, India

Ultrasonic technology is used for various crucial measurements in the industry; few of the most popular uses are in Non-destructive testing, flow measurement, level measurement etc. Like every other energy waveform the ultrasonic waveforms also suffers attenuation while travelling ... En savoir plus

Designing and Fabrication of Lab On a Chip for the Therapeutic Drug Monitoring of Erlotinib

Vivina Puthur ¹, Sreema M.¹, Jiya K. J.¹, Ripsymol Toby¹, Athira C.S.¹, Arun Warrier¹, Pooja Das M.¹, Dr. Dhanya Gangadharan¹, Dr. Jeethu Raveendran²
¹Department of Biotechnology, Sahrdaya College of Engineering and Technology
²Department of Biomedical Engineering, Sahrdaya College of Engineering and Technology

Microfluidics and Biosensors are two principal fields that paved the way for the inception of Lab-on-a-chip (LOC) which provides early and cost-effective disease detection, from monitoring to treatment. LOC is a device that uses very small amounts of fluid on a microchip to do certain ... En savoir plus

Modeling and Analysis of Magnetostrictive Material based Structures

Manik Kumar [1], Sajan Wahi [1], Dr. Sushma Santapuri [1],
[1] Indian Institute of Technology Delhi, New Delhi, India

A computationally efficient nonlinear constitutive model is developed for magnetostrictive materials using energy minimisation and discrete-energy averaging techniques. Computational time was considerably reduced through a local linearization of the material response and subsequent ... En savoir plus

Design of a Mechanical Resonant Station to Free Jammed Micro-Mechanisms

L. Spicci [1],
[1] Everywave srl, Italy

Some types of mechanical devices, such as molds, but not only, include a large number of micro-mechanisms, valves, channels, vents, or other devices subject to deterioration or malfunctioning, frequently caused by unwelcome phenomena such as incrustations, fillings, or reciprocal bonding ... En savoir plus

Ultrasonic Power Delivery Through a Steel Wall - Water Interface

P. Moilanen [1], A. Salmi [1], E. Haeggström [1],
[1] Electronics Research Laboratory, Division of Materials Physics, Department of Physics, University of Helsinki, Helsinki, Finland

This simulation study analyzed ultrasonic power delivery by low-frequency (20-50 kHz) high-power ultrasonic actuation into fluid through a steel wall. The Acoustic-Piezoelectric Interaction, Frequency Domain interface of the COMSOL Acoustics Module were employed for this study. The ... En savoir plus

Mechanical and Thermal Effects of Focused Ultrasound on a Biological Tissue using COMSOL Multiphysics®, Three Different Approaches

N. El Sayed[1], A. Maurer[2], D. Enfrun[2], R. Rozsnyo[1]
[1]HES-SO Geneva, University of Applied Sciences and Arts Western Switzerland, Switzerland
[2]Kejako SA, Switzerland

Focused ultrasounds are used in many medical applications as a treatment: it is important to evaluate the induced effects of such a procedure to achieve a high accuracy while keeping the untargeted surrounding areas safe. In the present paper, COMSOL Multiphysics®, a simulation software ... En savoir plus

Advanced Loudspeaker Calculator – an Example of COMSOL® Apps Utilization

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

Developing a new loudspeaker design requires not only knowledge and experience in the field, but also an access to verified and efficient tools. HARMAN’s Virtual Product Development (VPD) team has developed a Comsol Application to serve at the early stages of the design process. The app, ... En savoir plus

Coupled Structural and Magnetic Models: Linear Magnetostriction in COMSOL

J. Slaughter[1]
[1]Etrema Products, Inc., Ames, Iowa, USA

Accurate modeling of magnetostrictive materials and devices requires coupling of electrical, magnetic, mechanical, and possibly acoustic domains. There are relatively few finite element software packages that include all these physical models and even fewer that include magnetostrictive ... En savoir plus

Enhancing and Redirecting Sound Wave Propagation Utilizing Metamaterials

D. Logan[1], A. Ferguson[2], A. Paquia[2], C. Saechao[2]
[1]Jabil, USA
[2]San Jose State University, USA

A technology demonstrator called the “acoustic hyperlens”, constructed using metamaterials, can transform near field waves into far field waves. It is the inherent anisotropic properties of the metamaterial that facilitates this transformation. Prior “acoustic hyperlens” research has ... En savoir plus

Simplified Finite Element Simulation of a SAW Hydrogen Sensor using COMSOL Multiphysics

N. Krishnan[1], H. Nemade[1,2], and R. Paily[2]
[1]Centre for Nanotechnology, Indian Institute of Technology Guwahati, Assam, India
[2]Department of Electronics and Communication Engineering, Indian Institute of Technology, Assam, India

In this paper, we discuss a simplified finite element method simulation of surface acoustic wave (SAW) delay line hydrogen sensor using COMSOL Multiphysics. A delay line SAW sensor consists of a transmitting interdigital transducer (IDT) and a receiving IDT separated by a few ... En savoir plus

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