技術情報とプレゼンテーション

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.

Educational and Industrial Multiphysics Modeling in Czech Republic

K. Bittner
HUMUSOFT s.r.o.

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 ...

Modeling Light-induced Thermal Effects in Ocular Media by Finite Element Method

Francesca Rossi
Consiglio Nazionale delle Ricerche Firenze
Florence, Italy

COMSOL Multiphysics has been used as a supporting tool to our experimental research. Temperature rise inside biological samples was evaluated, giving us the possibility to study the heat damage induced in the tissue, the mechanism of photothermal processes, and to optimize surgical procedures. --------------------------------- Francesca Rossi was one of the keynote speakers at the COMSOL ...

Virtual Prototyping

Björn Engquist
Royal Institute of Technology, Stockholm and University of Texas
Austin, USA

Virtual prototyping is used for understanding, verifying, planning, controliing, and optimizing a technical application. It the industrial component computational science and engineering and can be called "the third pillar of modern science". The future of virtual prototyping will be multiscale and multiphysics models and simulations. --------------------------------- Keynote speaker's ...

Numerical Optimisation of Design Parameters in a Silicon-Based Microchannel Heat Sink

Shahrir b. Abdullah
Associate Professor
Faculty of Engineering
National University of Malaysia

In this presentation, a silicon-based microchannel heat sink with single and counter flows is modeled. The fluid flow and heat transfer inside the microchannels are simulated and analyzed, and optimisation of the design parameters is performed. Keynote speaker's biography:Shahrir Abdullah is a technical expert on COMSOL Multiphysics. He has conducted seminars, workshops & lecturers on ...

Transport in reactive porous media containing biofilms

G. Debenest, Y. Aspa, and M. Quintard
IMFT, GEMP group, Toulouse, France

The objective of this presentation is the evaluation of effective bulk transport properties of reactive porous biofilm. We present our microscale model that accounts for both momentum and mass balances.

Numerical Simulation of the Heat Transfer to Suspensions of Microencapsulated Phase Change Material (MEPCM)

F. Dammel, and P. Stephan
Technische Universität, Darmstadt, Darmstadt, Germany

The addition of microencapsulated phase change material particles can improve the characteristics of a heat transfer fluid. The numerical simulation of the heat transfer to such MEPCM suspensions with COMSOL Multiphysics is the subject of this contribution. The suspensions are treated as homogeneous liquids with appropriate models for viscosity, thermal conductivity and, most important, specific ...

Benchmark between CPO (Charged Particle Optics) and COMSOL Multiphysics

J.-M. Barois, and C. Goulmy
PHOTONIS, Brive, France

Streak tubes are widely used in high-speed signal analysis; they give spatial, temporal and intensity information about one single event. Time resolutions of 0.7 pico-second can be achieved and in that time-domain, PHOTONIS tubes are second-to-none.Applications are numerous and range from plasma physic to femtosecond laser applications. In streak tubes, electrons move from the photocathode to the ...

Estimating Cerebral Blood Flow using Electro-mechanical Modeling and Impedance Tomography Measurements

A. Jeremic, and T. Gadkari
McMaster University, Hamilton, ON, Canada

In this paper we propose a coupled electromechanical finite element model which combines the Navier-Stokes Equations of blood flow in an immersed boundary and the resulting deformed geometry with an electromagnetic model, which describes the electric field in the presence of deformation/structure changes caused by the blood flow in arteries.We derive least-squares estimates of the pressure drop ...

Channels and Melting in Deformable Porous Media

S. L. Butler

Department of Geological Sciences, University of Saskatchewan, SK, Canada

Partial melting occurs beneath mid-ocean ridges in Earth's mantle and the resulting liquid migrates to the surface to form a new oceanic crust. In this system, mass can be exchanged between the liquid and solid phases through melting and solidification and, at the high temperatures and pressures associated with the Earth's interior, the solid matrix deforms through the process of compaction, ...

Analysis of a Spatial Filtering Design for Capacitive Flow Measurements

D. Hrach, A. Fuchs, and H. Zangl
Institute of Electrical Measurement and Measurement Signal Processing, Graz University of Technology, Graz, Austria

In this paper, a simulation of a capacitive flowmeter utilizing a spatial filtering technique is presented. The flowmeter consists basically of ring shaped electrodes placed sequentially in the flow direction on the outside of a pipe. The paper introduces an electrode layout and describes the modeling of the electrodes to achieve the required simulation accuracy.We show the functionality of the ...

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