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See How Multiphysics Simulation Is Used in Research and Development

Engineers, researchers, and scientists across industries use multiphysics simulation to research and develop innovative product designs and processes. Find inspiration in technical papers and presentations they have presented at the COMSOL Conference. Browse the selection below or use the Quick Search tool to find a specific presentation or filter by application area.

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Electro Magnetic Wave Simulation in Fusion Plasmas

O. Meneghini[1], and S. Shiraiwa[1]
[1]Plasma Science and Fusion Center, Massachusetts Institute of Technology, Massachusetts, USA

Fusion is a form of nuclear energy which has impressive advantages from the point of view of fuel reserves, environmental impact and safety. If successful, fusion energy would ensure a safe, resource conserving, environmentally friendly power supply for future generations. In a world ... Read More

Solar Cell Cooling and Heat Recovery in a Concentrated Photovoltaic System

M. Cozzini[1]
[1]Fondazione Bruno Kessler (FBK), Renewable Energies and Environmental Technologies (REET) Unit, Trento, Italy

Concentrated photovoltaic systems with high efficiency solar cells are being widely investigated, aiming at improving the cost-efficiency balance in the solar energy field. Different cell types are in use: e.g., high concentration triple junction cells, reaching efficiencies of the order ... Read More

Simulation of Dielectric Barrier Discharge Lamp Coupled to the External Electrical Circuit

A. El-Deib[1], F. Dawson[1], S. Bhosle[2], D. Buso[2], and G. Zissis[2]
[1]University of Toronto, Toronto, Ontario, Canada
[2]LAPLACE-University of Toulouse, Toulouse, France

This work uses COMSOL to simulate the Dielectric Barrier Discharge (DBD) lamp coupled to the external electrical circuit. The coupled system is modeled to capture the effect of the electrical parasitic elements on the efficiency of the DBD which is more realistic as compared to previous ... Read More

3D-Simulation of Action Potential Propagation in a Squid Giant Axon

R. Appali[1], S. Petersen[1], J. Gimsa[2], and U. Rienen[1]
[1] Institute of General Electrical Engineering, Chair of Electromagnetic Field Theory, University of Rostock, Germany
[2] Institute of Biology, Chair of Biophysics, University of Rostock, Germany

Study of neurons plays a key role in the fields of basic and medical research aiming at the development of electrically active implants. The Fitzhugh-Nagumo equations are used to model and simulate the spike generation and propagation in a squid giant axon using COMSOL Multiphysics® 3.5a ... Read More

Modeling of Induction Heating of Steel Billets for Control Design Purposes

J. Kapusta[1], J. Camber[1], G. Hulkó[1]
[1]Institute of Automation, Measurement and Applied Informatics, Faculty of Mechanical Engineering, STU Bratislava, Slovak Republic

This paper deals with numerical modeling of modular industrial induction heating of steel billets for hot forming applications using the COMSOL Multiphysics. A mathematical model based on Finite Element Method is presented. Design of induction heaters is constantly evolving and improving ... Read More

Stochastic Approach in Approximation of the Transient Plasma Sheath Behavior in FEM

J. Brcka
TEL US Holdings, Inc., Albany, NY, USA

Recently, the advanced plasma tools have been using very high frequency power sources (>100 MHz) and their combination to excite plasma utilized in semiconductor technology. This approach is evoking the regimes that are less understood and currently a subject to many studies and ... Read More

Numerical simulation of spreading characteristics for nanofluids droplet impinging on the solid surface

Hai-long Liu [1], Xue-feng Shen [1], Rui Wang [1], Yu Cao [1],
[1] School of Energy and Power Engineering, Jiangsu University, Zhenjiang, China

The nanofluid is a class of fluids with high thermal conductivity and non-Newtonian flow behaviors. In this work, we present numerical simulations of spreading characteristics for nanofluids droplet impinging on the solid surface which is of great importance in a number of applications ... Read More

Energetics of Half-Quantum Vortices

K. Roberts[1]
[1]University of Illinois at Urbana-Champaign, Urbana, IL, USA

Magnetic cantilever measurements have detected half-flux states in mesoscopic rings of the layered material Sr2RuO4, adding evidence that superconducting Sr2RuO4 may be described by a p-wave order parameter. A proposal accounting for this behavior has been presented in which the ... Read More

Improved Perfectly Matched Layers for Acoustic Radiation and Scattering Problems

M. Zampolli[1], N. Malm[2], and A. Tesei[1]
[1]NURC NATO Research Centre, La Spezia, Italy
[2]COMSOL AB, Stockholm, Sweden

Perfectly matched layers (PML) are an efficient alternative for emulating the Sommerfeld radiation condition in the numerical solution of wave radiation and scattering problems. The key ingredient of the PML formulation is the complex scaling function, which controls the anisotropic ... Read More

Design and Simulation of 3D Printed Check Valves Using Fluid-Structure Interaction

A. M. Melvin [1], T. J. Roussel [1],
[1] Department of Bioengineering, J.B. Speed School of Engineering, University of Louisville, Louisville, KY, USA

Passive, one-way valves, also known as check valves, while common at the macro scale, are an essential microfluidic feature that facilitate flow rectification. These structures are also commonly used in reciprocating micropump configurations to control flow. Their operation can be ... Read More

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