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 2020

MEMS and Nanotechnologyx

Design Variability of a MEMS Resonator

H. van Halewijn[1], J. Beek[2]
[1]Physixfactor, Nijmegen, The Netherlands
[2]NXP, Eindhoven, The Netherlands

It is important in designing micro-electromechanical systems (MEMS) to reduce the variability of design parameters caused by manufacturing tolerances and material properties. At NXP COMSOL has been used to investigate many aspects of the design, such as the Q-factor, anchor losses, ... En savoir plus

Scaling Effect in Air Gap MOSFET

R.V. Iyer[1], Vinay K.[1], A. R. Kamath[1], A. Goswami[1], A. Sharma[1], A. V. Joshi[1], A. Mishra[1], N. S. Pai[1], S. Chakraborty[1], Rakesh D.[1]
[1]PES Institute of Technology, Bangalore, Karnataka, India

This abstract addresses the effect of scaling in air gap MOSFETs and determination of functional relationship between scaling parameter and sensitivity, frequency response. The modelling of the MOSFET and its simulations has been carried out using COMSOL Multiphysics. An air Gap MOSFET ... En savoir plus

A Low Cost CMOS Compatible MEMS based Fingerprint Sensor Design

A. Ganesan[1], S. Swaminathan[1], N. N. Sharma[2]
[1]BITS, Pilani - Dubai, U.A.E.
[2]Mechanical Engineering Department, Birla Institute of Technology & Science, Pilani, Rajasthan, India

In this paper, a novel design of a fingerprint sensor composed of a 2D array of piezo resistive micro beams has been presented. When the user presses the sensor array with a finger, the ridges and valleys that compose the fingerprint induce corresponding deflections in the micro beams. ... En savoir plus

Multiphysics and Simulation of MEMS based Bolometer for Detecting the Radiations in Nuclear Power Plants

K. Umapathi[1], S. Swetha[2], K. Ranjitha[2], K. Vinodh[2], K. Deebiga[1], R. Harisudarsan[1]
[1]United Institute of Technology, Coimbatore, TamilNadu, India
[2]Sri Krishna College of Engineering and Technology, Coimbatore, Tamil Nadu, India

High performance micro sensors are important to detecting special nuclear materials radiations in different fields to save the globe. This paper is mainly focused on to develop a MEMS based bolometer for detecting the nuclear radiation to provide the high security in Nuclear power ... En savoir plus

Hybrid Design Electrothermal Polymeric Microgripper with Integrated Force Sensor

V. Vidyaa[1]
[1]Jawahar Engineering College, Affliated to Anna University, Chennai, Tamil Nadu, India

Microgrippers are typical MEMS devices used to pick, hold and transport micro-objects. Microgrippers are widely used in the field of micro-assembly, micro-surgery and manipulation of micro-particles. Thermal microgrippers are widely used for large displacement, high accuracy and ... En savoir plus

Design and Simulation of MEMS Based Piezoelectric Vibration Energy Harvesting System

M. C. B. Kumar[1], D. B. Prabhu[1], R. Akila[1], A. Gupta[1], M. Alagappan[1]
[1]PSG College of Technology, Coimbatore, Tamil nadu, India

This paper discusses the simulation studies on a vibration based energy harvesting system to convert the undesirable mechanical vibration to useful green power. The design consists of a resonating proof mass and a spring system enclosed in housing and fixed on the source of vibration. A ... En savoir plus

Design and Simulation of Valveless Piezoelectric Micropump

L. Nayana[1], P. Manohar[1], S. Babu[1]
[1]Department of Electrical Engineering, Visvesvaraya Technological University, Bangalore, Karnataka, India

In this paper some discrete parts of a valveless piezoelectric micropump for drug delivery system is designed and simulated. The core components of the micropump are actuator unit that converts the reciprocating movement of a diaphragm actuated by a piezoelectric actuator into a pumping ... En savoir plus

Design and Simulation of Piezoelectric Ultrasonic Micro Motor

P. Patel[1], P. Manohar[1]
[1]Electrical and Electronics Department, M. S. Ramaiah Institute of Technology, Bangalore, Karnataka, India

Micro machined motors are a recent development in the domain of electrical machines. Compared to the conventional electromagnetic motors, micro machined motors offer high torque at lower speed, and are compact in nature. This makes them suitable for applications in the field of ... En savoir plus

Optimizing the Design of Polymer based Unimorph Actuator using COMSOL Multiphysics

V. Tiwari[1], R. Sharma[1], G. Srivastava[1], R. Dwivedi[1]
[1]Jaypee Institute of Information Technology, Noida, Uttar Pradesh, India

Cantilever beam-type transducers have been in great demand and explored widely in the recent years, typically in thin film form because of their sensor and actuator applications. The piezoelectric cantilever is the most preferred structure employed in technological applications. ... En savoir plus

Analysis & Design Optimization of Laterally Driven PolySilicon Electro-thermal Microgripper for Micro-objects Manipulation

T. Pahwa[1], S. Gupta[1], V. Bansal[1], R. Narwal[1], B. Prasad[1], D. Kumar[1]
[1]Electronic Science Department, Kurukshetra University, Kurukshetra, India

Micro-grippers find applications in micro-robotics, microsurgery, micro-fluidics, micro-relays, assembling and miniature medical instrumentation. Actuation principle involved may be electrothermal, electrostatic, piezoelectric, shape memory and electromagnetic. It has been found that ... En savoir plus