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Blog Posts Tagged AC/DC Module

Analyzing Magnetotellurics with Electromagnetics Simulation

May 17, 2018

Magnetotellurics (MT) is a geophysical method for mapping the magma flow of volcanos. Using electromagnetics simulation, engineers are able to study and improve this technique.

Common Pitfalls in Electrothermal Analysis

April 17, 2018

In the real world, electromagnetic heating often involves a nonlinear temperature. Learn some common pitfalls that occur during this type of electrothermal analysis and how to overcome them.

Redesigning Faraday’s Wheel: Creating Efficient Homopolar Generators

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.

Topology Optimization of a Magnetic Circuit for Loudspeakers

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.

Modeling Ferromagnetic Materials in COMSOL Multiphysics®

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.

Modeling Cables in COMSOL Multiphysics®: 6-Part Tutorial Series

December 29, 2017

Your roadmap to modeling cables with the AC/DC Module and COMSOL Multiphysics®: A 6-part tutorial series that starts with the basics and gradually adds complexity and multiple physics.

Analyzing an Electrodynamic Ion Funnel with COMSOL Multiphysics®

December 8, 2017

Quadrupole mass filters and ion mobility spectrometers are used to detect explosives, study complex biological molecules, and more. Ion funnels are an important component of these devices.

Should I Fillet the Geometry in My Electromagnetic Heating Analysis?

November 30, 2017

You want to analyze electromagnetic heating around sharp corners in your simulation. Do you round off the corners by adding a fillet? We go over cases where you should and shouldn’t do so.


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