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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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Boston 2025

Terme recherché:

"transducer"

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

Parametric Simulation of PZT Diameter to Hole Ratio for Optimized Membrane Displacement

A. Arevalo [1], D. Castro [1], D. Conchouso [1], I. G. Foulds [2]
[1] Computer, Electrical and Mathematical Sciences and Engineering (CEMSE), King Abdullah University of Science and Technology (KAUST), Saudi Arabia
[2] The University of British Columbia, School of Engineering, Okanagan Campus, Saudi Arabia

For our simulation we used the Piezoelectric Devices interface. The structure was set with (clamped) fix constraint boundaries to both ends. The bottom electrode was set to be the ground for the electrostatic physics and the top electrode was set to be a Terminal with potential of 10V. A ... En savoir plus

Simulation of the Acoustic Environment for the Manufacture of Graded Porosity Materials by Sonication

C. Torres-Sanchez, and J. R. Corney
University of Strathclyde, United Kingdom

Many materials require functionally graded cellular microstructures whose porosity is engineered to meet specific requirements of diverse applications. It has been shown in previous work that the bubble growth rate of a polymeric foam can be influenced by the surrounding acoustic ... En savoir plus

Modeling of Piezoelectric Transducers Made of PZT for Energy Harvesting

J. Golebiowski [1], P. Bakolik [2],
[1] Lodz University of Technology, Department of Semiconductor and Optoelectronics Devices, Poland
[2] Lodz Univeristy of Technology, Poland

This work shows the results of modeling of piezoelectric transducers used to recover energy from mechanical vibrations. The analysis consists of usefulness of commercial ceramic PZT transducers to power electronic systems. Determined output load characteristics, characteristics of the ... En savoir plus

Finite Element Analysis Study of P-U Based Acoustic Vector Sensor for Underwater Application

Bipin kumar [1], Arun Kumar [1], R.Bahl [1],
[1] Indian Institute of Technology Delhi, New Delhi, India

An Acoustic Vector Sensor (AVS) is a compact device used for finding azimuthal as well as elevation angle of an acoustic source using particle velocity and pressure measured at the acoustic center of the device. There are mainly two types of AVS; namely P-P and P-U based AVS. P-P based ... En savoir plus

A Novel Plug n Play MEMS-Based DNA Microarray

K. Jindal [1], V. Grover [1], B. Nayak [1],
[1] Birla Institute of Technology and Science - Pilani, Ghaziabad, Uttar Pradesh, India

Microarrays are extensively used in modern biology as tools of multiplexed, high throughput analysis to study thousands of genes and their expression inside cells at once [1]. The basic principle of a microarray is quantitative detection of fluorophore tagged DNA. Use of this method ... En savoir plus

Residual Stress in the Silicon Membrane of Circular CMUT

A. T. Galisultanov [1], P. Le Moal [1], V. Walter [1], G. Bourbon [1],
[1] FEMTO-ST, Besanson, France

During last twenty years capacitive micromachined ultrasonic transducers (CMUT) have been developed extremely fast [1-2]. CMUT is an attractive alternative to traditional piezoelectric transducer, which converts electrical signal to mechanical vibration and vice versa. The main ... En savoir plus

COMSOL® Analysis for Duct Acoustic

M. M. Ghulam [1], E. J. Gutmark [1],
[1] Aerospace Department, University of Cincinnati, Cincinnati, OH, USA

COMSOL analysis of the acoustic modes of two different Combustion Wind Tunnel Facility’s test sections was conducted in this project. The test sections are rectangular ducts, therefore the mathematical expressions to predict the longitudinal and transverse modes inside a tube were used ... 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

Modeling, Simulation, and Optimization of Piezoelectric Bimorph For Broadband Energy Harvesting

N. Chen [1], V. Bedekar [1],
[1] Middle Tennessee State University, Murfreesboro, TN, USA

The objective of this research is to design a millimeter scale broadband energy harvester device through the use of a multi-cantilever beam approach with a non-linear geometry. In this research, we use COMSOL Multiphysics® software to design, simulate and analyze the voltage and power ... En savoir plus

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