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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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Analysis of the Behavior in a Squirrel Cage Motor under Electrical Internal Fault

D. A. Aguilar Arévalo [1], H. D. Puin Avila [1], H. E. Ortiz Suárez [1],
[1] Universidad Distrital Francisco José de Caldas, Bogota, Colombia

The continuous and intensive use of squirrel-cage induction motors in the modern industry, has in some cases caused a serious deterioration of the electrical insulation in the windings of the machine, generating as a consequence internal short-circuit failures, the effects on the ... Read More

Simulation of Quench Behaviour of the 11 T Superconducting Dipole for HL-LHC

M. Mentink [1], B. Auchmann [1], L. Bortot [1], M. Maciejewski [1], Marco Prioli [1], E. Ravaioli [1], E. Stubberud [1], A. Verweij [1],
[1] CERN, Switzerland

As part of the High Luminosity Large Hadron Collider a number of magnets is to be installed for the purpose of enhancing the performance of the Large Hadron Collider. The 11 T superconducting dipole is a magnet type that utilizes the Nb3Sn superconductor. A number of these magnets will ... Read More

Time Domain Reflectometry of a Water Tree inside an Underground Cable

K. Burkes [1],
[1] Savannah River National Laboratory, Jackson, SC, USA

This poster presents the electric field flowing through an insulated cable due to a high frequency voltage pulse in the presence of water trees. Read More

Rapid Prototyping of Biosensing Surface Plasmon Resonance Devices using COMSOL & Matlab software

J.J. Dubowski[1], and D.Carrier[1]
[1]Department of Electrical and Computer Engineering, Université de Sherbrooke, Quebec, Canada

We present a Finite Element Method simulation procedure that allows rapid development of prototype devices comprising novel self-referenced interference SPR (surface plasmon resonance) biosensing microstructures. The procedure takes advantage of COMSOL Multiphysics and MATLAB software ... Read More

Experimental Observation and Numerical Prediction of Induction Heating in a Graphite Test Article

T.A. Jankowski[1], D.P. Johnson[1], J.D. Jurney[1], J.E. Freer[1], L.M. Dougherty[1], and S.A. Stout[1]

[1]Los Alamos National Laboratory, Los Alamos, New Mexico, USA

The induction heating coils used in the plutonium casting furnaces at the Los Alamos National Laboratory are studied here. A cylindrical graphite test article has been built, instrumented with thermocouples, and heated in the induction coil that is normally used to preheat the molds ... Read More

Modeling of High-Speed PCB-Interconnects, Vias and Connectors for the Estimation of SI-Losses

A. K. Palit [1],
[1] ZF-Lemförder Electronic GmbH (ZF-Friedrichshafen AG. Group), Germany

Estimation of both single-ended (SE) and differential-pair (DP) impedances of high-speed PCB-traces/interconnects, vias and connectors is very important for the high-speed PCB (layout) design. This is because, the mismatch in line-impedances/improper line-termination results in a ... Read More

Bioheat Dissipation of a Implantable Brain-Machine Interface

J. M. Herrera Morales [1],
[1] Wyss Center for Bio and Neuroengineering, Switzerland

Brain-Machine Interfaces (BMI) provide a direct communication link between brain and external devices such as speech synthesizers and robotic prosthesis to restore speech and movement in persons affected by Spinal Cord Injuries or neurodegenerative diseases such as Amyotrophic Lateral ... Read More

Laser-Material Interaction Modeling using the COMSOL Multiphysics® software

E. C. Chevallier [1], V. Bruyère [1], P. Namy [1],
[1] SIMTEC, Grenoble, France

Surface engineering is a key technology used in a wide range of sectors in industry. Among other techniques, it involves adding functionality to a surface. This can be performed by creating a specific topography to a surface using laser texturing. The objective of the work presented in ... Read More

Full Simulative Approach to Orbital Angular Momentum (OAM) Transmissions between Antenna Arrays

R. Gaffoglio [1], A. Cagliero [1], A. De Vita [2], B. Sacco [2],
[1] Department of Physics, University of Torino, Torino, Italy
[2] Centre for Research and Technological Innovation, RAI Radiotelevisione Italiana, Torino, Italy

The possibility of exploiting the Orbital Angular Momentum (OAM) of light as a means to simultaneously transmit radio signals at the same frequency led us to the experimental implementation of an OAM-based multiplexing scheme between antenna arrays. Within this framework, the realization ... Read More

Investigating a Tensor Formulation to describe the Magnetic Structure of Soft Magnetic Materials

O. Maloberti [1], M. Nesser [2], E. Salloum [2], J. Fortin [2], S. Panier [2], P. Dassonvalle [1], C. Pineau [3], M. Caruso [4], J-P. Birat [3], I. Tolleneer [4],
[1] ESIEE Amiens, France
[2] UPJV-LTI, France
[3] IRT-M2P, France
[4] CRM Group, France

Most of existing material representations [1], even including the dynamic hysteresis and iron losses [2], ignore local microscopic non-uniformities. These concern the magnetic structure (domains and walls [3]) and are mainly due to surface effects, anisotropy and exchange [4]. One ... Read More

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