Redesigning Faraday’s Wheel: Creating Efficient Homopolar Generators

Bridget Paulus April 9, 2018

Acyclic generator, unipolar generator, disc dynamo, Faraday wheel, homopolar generator: Whatever you call it, this device has an interesting history and a variety of applications.

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Uttam Pal April 6, 2018

See how to model the Kerr effect, and other linear and nonlinear optical phenomena, using the Wave Optics Module and COMSOL Multiphysics®.

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Jiyoun Munn April 3, 2018

Tunable cavity filters can enhance the development of high-speed, wireless communication networks. To optimize these devices for such a purpose, we can turn to high-fidelity modeling.

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Thomas Forrister March 22, 2018

By optimizing the topology of loudspeaker components, such as magnetic circuits, we can develop speaker designs that are portable, lightweight, and high quality.

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Caty Fairclough February 21, 2018

Spiral slot antennas have nearly perfect circularly polarized radiation and wideband frequency response, and they can maintain a consistent radiation pattern and impedance over large bandwidths.

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Caty Fairclough January 31, 2018

Thermophotovoltaic (TPV) systems, known for their flexible fuel choice options, immovable parts, and potential for efficient power generation, can be optimized with heat transfer modeling.

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Caty Fairclough January 29, 2018

Micromirrors are efficient and inexpensive. Here, we go over 2 types of analyses for a MEMS micromirror design, frequency-domain and transient, using the COMSOL® software.

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Cesare Tozzo January 23, 2018

Get a comprehensive guide to modeling ferromagnetic materials in COMSOL Multiphysics®, including an introduction to the theory and a series of useful animations.

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Bridget Paulus January 19, 2018

MEMS-based strain gauges are helpful in both civil engineering and biomedicine. Read about a team of researchers who used the MEMS Module to analyze strain gauge designs.

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Edmund Dickinson January 17, 2018

The combined efforts of Leonhard Euler and Joseph-Louis Lagrange inspired the arbitrary Lagrangian-Eulerian (ALE) method, which we can use to model deforming objects.

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Caty Fairclough January 10, 2018

Astronomers use échelle spectrographs to detect far-away planets. To design a white pupil échelle spectrograph with optimized sensitivity, engineers can turn to ray tracing software.

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