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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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Understanding the Role of Nanomaterials in DNA Biosensors Through Finite Element Analysis

J. C. Kumaradas[1], A. Zhang[2], Y. D. Davletshin[1]
[1]Ryerson University, Toronto, ON, Canada
[2]University of Waterloo, Waterloo, ON, Canada

Tremendous progress is being made in the integration of nanoparticles into micro-analytical systems for biosensing. These materials are shown to enhance the analyte capture capability of biosensing platforms. We have implemented a computational model that considers the sensor’s geometry, ... En savoir plus

Eigenfrequency-App for University Laboratory Education

A. Frey [1], R. Grossmann [1], T. Koch [2], I. Kuehne [3],
[1] University of Applied Science, Faculty of Electrical Engineering, Augsburg, Germany
[2] COMSOL Multiphysics GmbH, Goettingen, Germany
[3] Heilbronn University of Applied Science, Kuenzelsau, Germany

Laboratories are essential parts of the engineering education at Universities of Applied Science. Students have the chance to practically apply theoretical concepts known from lectures. Sometimes the lab experiments require additional theoretical background. This is particularly true for ... En savoir plus

Design of Blood Warmer Medical Device

R. Kapuganti, A. Sivakumar,
HCL Technologies, Chennai, India

Design of Blood warmer medical device Rajesh Kapuganti1, Sivakumar A2, HCL Technologies, Chennai Email: rajesh-kapuganti@hcl.com1 sivakumara@hcl.com2 Abstract Multiphysics simulations were performed for designing the blood warmer accessory of a dialysis machine. As part of the design ... En savoir plus

MEMS Structure for Energy Harvesting

S. Rabbani, P.K. Rathore, G. Ghosh, and B.S. Panwar
Indian Institute of Technology Delhi, New Delhi, India

In this paper, a piezoelectric cantilever is investigated using finite element analysis made possible by COMSOL Multiphysics for the generation of electrical energy. A micro power generator was designed to convert mechanical vibrations present in the environment to electrical power. The ... En savoir plus

Multiphysics System Simulation for MEMS Inertial Sensors

R. Sattler
University of Applied Sciences, Regensburg, Germany

This paper gives an overview of modelling microsensors on geometry and system level. The focus will be on the generation of the multiphysics reduced order system model and the coupling with package and ASIC models. The method is based on modal superposition. This means all the details of ... En savoir plus

Using COMSOL to Support a Cost-Effective, Non-Destructive Evaluation Approach for Predicting Bolt Failure in Highway Bridges

A. Elyea, B. Doubek, G. Hubbard, and D. Ozevin
Department of Civil Engineering
University of Illinois at Chicago
Chicago, IL

The development of a quantitative nondestructive evaluation method, as an alternative to visual inspection, for inspecting pre-tensioned bolts in fracture critical bridges is presented. In order to understand the ultrasonic behavior of a wide variety of bolt geometries used in bridges, ... En savoir plus

3-D Design, Electro-Thermal Simulation and Geometrical Optimization of Spiral Platinum Micro-Heaters for Low Power Gas Sensing Applications Using COMSOL 4.1

V. Bansal, D. Kumar, B. Prasad, and A. Gujjar
Electronic Science Department

In this paper a thermal electric finite element method (FEM) analysis was used to investigate the thermal properties of individual electrically driven platinum micro-heaters. The geometric optimization for the micro-heater was performed by simulating a wide range of possible geometries ... En savoir plus

Local Electroporation of Single Adherent Cells by Micro-Structured Needle Electrodes

K. K. Sriperumbudur[1], P. J. Koester[1], M. Stubbe[1], C. Tautorat[1], J. Held[2], W. Baumann[1], and J. Gimsa[1]
[1] University of Rostock, Chair of Biophysics, Gertrudenstr. 11a, 18057 Rostock, Germany
[2] Microsystem Material Laboratory, Department of Microsystems Engineering (IMTEK), University of Freiburg, Germany

In spite of its low throughput, Patch-Clamp is the established method for intracellular measurements of the transmembrane potential. To address this problem, we have developed new biosensor-chips with micro-structured needle electrodes (MNEs). MNE-penetration of single cells growing on ... En savoir plus

Design, Simulation, and Fabrication of Thermal Angular Accelerometers

H. Alrowais [1],
[1] School of Electrical and Computer Engineering, Georgia Institute of Technology, Atlanta, GA, USA

This abstract introduces a sensor design for detecting angular acceleration in a single plane using thermal convection. The working principal of the device is based on probing temperature profile changes along a micro-torus caused by angular acceleration. By properly choosing the ... En savoir plus

Analysis of Mechanical Sensitivity of MEMS Pressure Diaphragm for Contact Formation

S. Shubham [1], M. Nawaz [1],
[1] Knowles Electronics, Itasca, IL, USA

MEMS Pressure sensors work on the principle of mechanical bending of thin diaphragm under applied load over diaphragm area. The sensitivity of diaphragm is crucial to efficiency of the sensor. It is defined as the increase in deflection of diaphragm as a result of increase in pressure ... En savoir plus

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