Technical Papers and Presentations

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.

Finite Element Analysis of Microscale Luminescent Glucose Sensors in the Skin Dermis

S. Ali[1], and M. McShane[1]
[1]Department of Biomedical Engineering, Texas A&M University-College Station, Texas, USA

With the rising predominance of diabetes, successful management of blood glucose levels is increasingly important. Key efforts have focused on the development of optical microscale glucose sensing systems based on the encapsulation of glucose oxidase within microspheres coated with polyelectrolyte multilayer nanofilms. A two-substrate mathematical model of microscale optical glucose sensors in ...

Multiphysics Modelling of an Electromagnetic Horn Dedicated to a Neutrino Superbeam Facility

F. Osswald, and G. Gaudiot
IPHC, Univ. Louis Pasteur, Strasbourg

This paper presents thermo-mechanical and electromagnetic computational results in the time-harmonic and transient domains. This includes the stress analysis induced by the magnetic field and resulting pressure, the Joule heating with skin effects and the corresponding deformation.

A Tool for Studying the Ecology of Hydrosystems

D. Peyrard[1], Ph. Vervier[1], S. Sauvage[1], J.M. Sánchez-Pérez[1], and M. Quintard[2]
[1] Laboratoire d’Ecologie des Hydrosystèmes, Toulouse
[2] Institut de Mécanique des Fluides de Toulouse

The hyporheic zone is defined as an area where water and matter exchange through the sand, gravel, sediments and other permeable soils under and beside streams. Its impact on the hydro-system function is determined by the proportion of subsurface biogeochemical reactions and the fluxes of water exchanging with the hyporheic zone and flowing through the porous sediments. The objective of our ...

Designing an Array of Nanocalorimeters for Screening Biochemical Interactions

F. Torres
Palo Alto Research Center

In this presentation we present our analysis of the PARC Nanocalorimeter. Calorimetry is basically the measuring of heat of chemical reactions or physical changes. Nanocalorimetry is Calorimetry at the Nanometer scale. The PARC Nanocalorimeter is a special type of Calorimeter, it consists of arrays of Nanocalorimeters. The PARC Nanocalorimeter is intended to be used for screening biochemical ...

Educational and Industrial Multiphysics Modeling in Czech Republic

K. Bittner

Humusoft was founded in 1990 and has been a representative for COMSOL since 1999, for several countries in Eastern Europe. In this presentation we begin with a short overview of the and historical milestones for Humusoft. The essence of this presentation concerns the wide ranging branches in which COMSOL Multiphysics is used from the Automotive industry to the Medical. From the corporate ...

Taking COMSOL Multiphysics Beyond Traditional Finite Elements

John Dunec
Palo Alto, USA

This talk will give you some tips and tricks for using techniques in COMSOL Multiphysics that you might not have known about. --------------------------------- Keynote speaker's biography: John Dunec received his Ph.D. from Stanford, specializing in numerical simulation of thermal-fluid systems. He has over two decades of experience in the field: first as a product engineer and manager at ...

NASA's Life Support Developments

Jim Knox
Technical Manager
NASA Marshall Space Flight Center
Huntsville, AL

This presentation deals with the investigation of new methods for the adsorption of carbon dioxide and water vapor from manned spacecraft atmospheres. The presentation touches not only the modeling of such methods, but also the important applications. Apart from modeling results on water adsorption and determination of heat transfer coefficients, an historical overview of spacecraft atmosphere ...

Modelling the Coupled Heat and Mass Transfer during Fires in Stored Biomass, Coal and Recycling Deposits

F. Ferrero
Federal Institute for Materials Research and Testing Division II.2, Berlin, Germany

It is known that in big storages of bulk materials the danger of the self-ignition is relevant (long time storages). The Consequences of uncontrolled fires include considerable CO2 emission and economical and human losses to mention a few. The understanding of this phenomena is therefore of great importance.A numerical model can be of great help in understanding such complex phenomena. In this ...

Computation of Space-Time Patterns via ALE Methods

V. Thümmler1, and A. Weddemann2
1Department of Mathematics, Bielefeld University, Bielefeld, Germany
2Department of Physics, Bielefeld University, Bielefeld, Germany

Partial differential equations which exhibit solutions that are spatial temporal patterns are often found in biological and chemical systems, e.g. when describing pattern formation in reaction-diffusion systems.Special classes of such patterns are relative equilibria and relative periodic orbits, which are solutions that in an appropriately co-moving frame of reference are stationary and ...

Robust Design of an LEM by Means of Interval Taylor Extension

B. De Vivo, P. Lamberti, and V. Tucci
Dept. of Electrical and Electronic Engineering, University of Salerno, Salerno, Italy

In this paper, the Robust Design of a Linear Electric Motor (LEM) is performed. A Robust Design is a set of nominal parameters that satisfies the customer constraints with uncertain parameters. In particular, it is possible to obtain the Most Robust Stationary Design (MRSD) of a Performance Function (PF) by looking at the minimum range of the Interval Extension of its Taylor series. Furthermore, ...

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