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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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Design of a Stealth Antenna Using COMSOL Multiphysics

F. De Vita[1], S. Di Marco[1], F. Costa[1], P. Turchi[1]
[1]Altran Italia, Pisa, Italy

This paper will describe some applications of COMSOL Multiphysics to the analysis of Frequency Selective Surface (FSS) structures. Particular attention will be devoted to the possibility of designing a stealthy antenna using the FSS structure. In fact, since it possesses a dual filter ... Read More

Nanoscale Structure Design in EM Fields Using COMSOL Multiphysics

J. Yoo[1], H. Soh[2], J. Choi[3], S. Song[4]
[1]Department of Mechanical Engineering, Yonsei University, Korea
[2]Hyundai Motor Co., Korea
[3]Samsung Electronics Co., Ltd., Korea
[4]Mando Co., Korea

Nanoscale structural analysis and design is presented. All the simulations are carried out using a finite element solver and optimization is performed using parameter and topology optimization schemes. It is concluded that COMSOL is effective for analysis and design of nanoscale ... Read More

Plasmonics of Nano-Gaps

T. Hutter[1], S. Mahajan[2], S. R. Elliott[1]
[1]University of Cambridge, Cambridge, UK
[2]University of Southampton, Southampton, UK

Plasmons, i.e. the collective oscillations of electrons in a metallic nano-structure, lead to strong light scattering, absorption and an enhancement of the local electromagnetic field. In this work, the local electric-field enhancement in a system of dielectric nanoparticles placed ... Read More

Loudspeaker Response Optimization with the Aid of Impulse Response

R. Balistreri [1],
[1] Klipsch Group, Inc., Indianapolis, IN, USA

COMSOL Multiphysics® simulation software is receiving a lot of attention in the loudspeaker industry thanks to the quality of the results it provides making it an essential tool to optimize geometries so that the best reproduction capabilities of the loudspeaker system are achieved. ... Read More

An Automatic Modeling Approach for Optimized Positioning of an Electrostimulative Implant in the Human Femoral Head

Y. Su[1], D. Kluess[1], W. Mittelmeier[1], M. Ellenrieder[1], U. van Rienen[2], R. Bader[1]
[1]Department of Orthopaedics, University of Rostock, Rostock, Germany
[2]Institute of General Electrical Engineering, University of Rostock, Rostock, Germany

Introduction Electromagnetic stimulation is a common therapy to support bone healing in cases of avascular necrosis or pseudarthrosis. An electrostimulative screw implant (Asnis III s-series screw in Figure 1) is used to stimulate bone regeneration in the treatment of femoral head ... Read More

Visible Spectral Reflectance Analysis in a Metal-Insulator-Metal (MIM) Multilayer with COMSOL Multiphysics

Y. Oshikane[1], K. Murai[1]
[1]Osaka University, Suita City, Osaka, Japan

We are developing a reflective metal-insulator-metal (MIM) filter with narrow band absorption. In the MIM structure, the interaction between subwavelength multilayer and visible light, and the resultant surface plasmon resonance (SPR) in specific illumination conditions must be ... Read More

Interaction between Light Wave and Asymmetric Metal/Insulator/Metal (MM) Structure Coupled with Subwavelength Holes at Optical Fiber Apex

Yasushi OSHIKANE[1]

[1]Osaka University, Suita, Osaka, Japan

Electromagnetic simulation of light wave interaction at around a tip of single mode optical fiber, which is formed of circular truncated cone shape, has been studied numerically by COMSOL Multiphysics and the RF Module (and Wave Optics Module). The fiber tip has specific nanostructure of ... Read More

Coupling the domains structure and Tensor Magnetic Phases with AC/DC fields in soft magnetic materials

Olivier Maloberti¹, E. Salloum², M. Nesser², P. Dassonvalle³, S. Panier², J. Fortin², J. Dupuy⁴, C. Pineau⁵, J-P. Birat⁶
¹ESIEE Amiens, 14 quai de la Somme, 80080 Amiens, France.
²LTI Laboratory, IUT d'Amiens, Avenue des Facultés - Le Bailly 80 025 Amiens, France.
³ESIEE Amiens, 14 quai de la Somme, 80080 Amiens; and MIS Laboratory, UPJV, 14 Quai de la Somme - EPI 3 80080 Amiens, France
⁴MULTITEL, 2 rue Pierre et Marie Curie, 7000 Mons, Belgique.
⁵IRT-M2P, 4 rue Augustin Fresnel, 57070 Metz, France.
⁶IF-Steelman, 5 rue du Gate Chaux, 57280 Semecourt, France

Local and microscopic non-uniformities within the magnetic structure (domains and walls [1]), mainly due to surface effects, anisotropy and exchange energies [2, 3], express itself with space variations of domains geometry and properties from the bulk towards the surface. A first work ... Read More

Deep Learning Enabled Nanophotonic Design via Finite Element Simulation

A. Mall[1], A. Sethi[2], A. Kumar[1]
[1]Indian Institute of Technology Bombay, India
[2]Indian Institute of Technology, Bombay, India

Metamaterials and metasurfaces are emerging technologies in the field of nanophotonics. They can enable the engineering of arbitrary optical response based on their nano structure. The desired effective optical response is quantified by amplitude and phase of the light reflected and ... Read More

AC/DC Modelling of Eddy Currents in Graphite Bricks at UK AGRs

R. Newson[1], C. Watson[1], M. Pogson[1]
[1]Quintessa, United Kingdom

EDF Energy use an Eddy Current Inspection Tool (ECIT) to test the properties of graphite bricks in the cores of UK Advanced Gas-cooled Reactors (AGRs). The tool comprises a coil containing an alternating current which generates a magnetic field, inducing eddy currents within the nearby ... Read More

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