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Here you will find presentations given at COMSOL Conferences around the globe. The presentations explore the innovative research and products designed by your peers using COMSOL Multiphysics. Research topics span a wide array of industries and application areas, including the electrical, mechanical, fluid, and chemical disciplines. Use the Quick Search to find presentations pertaining to your application area.

Pushability Model of a Microcatheter for Intravascular Procedures

M. Miliani[1], F. Piccagli[1]
[1]Medtronic Invatec S.p.A., Roncadelle, BS, Italy

During peripheral intravascular interventions one of the main issues is the correct deployment of the guidewire (GW) to the anatomical site which has to be treated, often supported by a microcatheter. There is a trade-off between the microcatheter flexibility and its push-ability to be able to reach the anatomical site. The catheter design has been defined with 2 transition zones. A parametric ...

Studies of Lead Free Piezo-Electric Materials Based Ultrasonic MEMS Model for Bio sensor

P. Pattanaik[1], S. K. Kamilla[1], D. P. Das[2], S. K. Pradhan[3]
[1]MEMS Design Center, Institute of Technical Education & Research (ITER), Sikhya ‘O’ Anushandhan University, Bhubaneswar, Odisha, India
[2]Process Engineering and Instrumentation Lab, Institute of Minerals and Materials Technology (IMMT), Bhubaneswar, Odisha, India
[3]Dept of ECE, Hi-Tech Institute of Technology, Khurda, Odisha, India

This paper describes the design of an ultrasonic transducer using different lead free piezo-electric materials and evaluates their performance with different glucose levels in the human blood. COMSOL Multiphysics 4.2a was used for the simulation study using 2D axis symmetric model of piezoelectric transducer which was designed with lead free piezoelectric materials such as Barium Sodium Niobate ...

Computational Analysis on Commercially Available Stent Designs

K. Basu[1], P. Ghosh[2], S. Bhattacharjee[2], S. Das [2], A. Chanda[1]
[1]School of Bio Science and Engineering, Jadavpur University, Kolkata, West Bengal, India
[2]Department of Mechanical Engineering, Jadavpur University, Kolkata, West Bengal, India

Cardiovascular disease has become a major healthcare problem. To tackle this along with bypass surgery, the use of the cardiovascular stent is considered promising and effective. In this study, we aim to find the effectiveness of stent deployments and their influence on haemodynamics post their deployment in human arteries. For the study we have reconstructed single units of two commercially ...

Multiphysics Modeling and Analysis of DBS Electrodes: Application to Parkinson’s Disease

M.Vidya[1], M. SharatDivya[1], N.Priyadarshini[1], E.R Rajkumar[1]
[1]Division of Biomedical Engineering, Center for Biomedical Engineering Research, School Of Biosciences and Technology, VIT University Vellore, India.

Deep Brain Stimulation (DBS) is a surgical technique that involves surgically implanting Platinum electrode to create an electric field to activate the targeted nerve cells and fibers with minimized side effects. Important stimulation parameters to monitor include temperature, electric field intensity and the current density.This paper gives a Finite Element Model (FEM) for DBS electrode in ...

Coupled Electromagnetics-Multiphase Porous Media Model for Microwave Combination Heating

V. Rakesh, and A. Datta
Dept. of Biological and Environmental Engineering, Cornell University, Ithaca, NY, USA

Although microwave heating has been studied in great detail, microwave combination heating has not. This work investigated this in a novel microwave combination system that heats the sample through a combination of microwaves and hot air. The study used a coupled electromagnetics-multiphase porous media model in COMSOL to determine the effect of combining different heating modes on heating ...

Electrical Characterization of Biological Cells on Porous Substrate Using COMSOL Multiphysics®

D. Mondal[1], C. RoyChaudhuri[1]
[1]Department of Electronics and Telecommunication Engineering, Bengal Engineering and Science University, Howrah, West Bengal, India

In this paper, the gross electrical characterization of biological cells on porous substrate is analyzed using COMSOL Multiphysics®. Dynamic electrical characterization during cell growth is used as a non-invasive and label-free technique to understand the growth kinetics of cells. It is observed from the COMSOL simulation that the percentage change in the current density is greater in porous ...

Simulation of the Spread of Epidemic Disease Using Persistent Surveillance Data

Y. Liang[1], Z. Shi[1], S. Sritharan[1], and H. Wan[2]
[1]Central State University, Wilberforce, OH, USA
[2]Wright State University, Dayton, OH, USA

This paper proposes a novel data-mining framework to simulate the spread of epidemic diseases using persistent surveillance data. The framework is formulated by merging the persistent surveillance data about epidemics, geographic information and the dynamics of disease into a heat transfer model according to the theory of statistical mechanics . In the implementation of this framework, geographic ...

Electrohydrodynamic Micropump Modeling for Performance Optimization

A. Mulye[1], S. Potnis[2]
[1]Northeastern University, Boston, MA, USA
[2]VIT, Mumbai, Maharashtra, India

We present an optimized and efficient design of an electrohydrodynamic (EHD) micropump for high performance in microscale and biological applications. We are targeting two major applications, a parylene C design for electrically-actuated medicine delivery, and a silicon-based pump design for on-chip cooling of microprocessors and SOCs. The EHD micropump works on the movement of microscale ...

Magnetostatic-Magnon Sensors for Microwave Microscopy of Biological Structures - new

E. Hollander[1], E. O. Kamenetskii[1], R. Shavit[1]
[1]Microwave Magnetic Laboratory, Department of Electrical and Computer Engineering, Ben Gurion University of the Negev, Beer Sheva, Israel

Microwave sensing and monitoring is very attractive for biological applications because of their sensitivity to water and dielectric contrast. Direct detection of biological structures in microwave frequencies and understanding of the molecular mechanisms of microwave effects is considered as a problem of a great importance. Nowadays, however, microwave technique for localized testing biological ...

From Music to Non-Invasive Therapies via COMSOL Multiphysics® Models - new

E. Lacatus[1], G. C. Alecu[2], A. Tudor[2], M. A. Sopronyi[3]
[1]Polytechnic University of Bucharest, Bucharest, Romania
[2]Student-Polytechnic University of Bucharest, Bucharest, Romania
[3]INFLPR -National Institute for Laser Plasma and Radiation Physics, Bucharest, Romania

Vibration and music therapies are non-invasive treatments having effective results although their basics are still disputed. By the application of COMSOL Multiphysics® software for modeling and analysis, some of the nonlinear physical phenomena laying on these applications may be clarified. Acoustic environmental stimuli at different intensities are continuously interacting with our bodies, ...