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Low-Frequency Electromagnetics Blog Posts

Model Magnetic Materials in the Frequency Domain with an App

January 7, 2016

Easily convert B-H or H-B curves into effective B-H or H-B curves using the Effective Nonlinear Magnetic Curves Calculator simulation app.

Modeling Linear Motors or Generators in COMSOL Multiphysics

October 6, 2015

We demonstrate how to customize a linear periodic boundary condition to model linear motors and generators in COMSOL Multiphysics®, with an example of a tubular generator used for wave energy.

Creating Ultrafast Polymerase Chain Reaction Tests with LEDs

August 26, 2015

Researchers at the University of California, Berkeley, used simulation to develop an LED-based polymerase chain reaction system that shows potential for point-of-care testing. Get the full story.

Analyzing Mutual Inductance in Different Coil Arrangements

August 19, 2015

Mutual inductance measures the amount of change required for a current flowing through one circuit to create a current in a nearby circuit. Simulation can be used to compute mutual inductance.

Should We Model Graphene as a 2D Sheet or Thin 3D Volume?

August 4, 2015

Graphene is a 2D sheet of carbon atoms that is 1 atomic layer thick. However, is graphene actually 2D or is it just incredibly thin, like a very fine piece of paper? How should it be modeled?

How to Model Magnetic Bearings in COMSOL Multiphysics®

July 28, 2015

Get an in-depth introduction to the different types of magnetic bearings and then learn how to compute their magnetic force, torque, magnetic stiffness, and more.

Modeling an Inductive Position Sensor

May 26, 2015

A researcher from Lemfoerder Electronic GmbH in Germany used simulation to design an inductive position sensor for automotive applications. Get details here.

How to Model Rotating Machinery in 3D

April 30, 2015

There are many different types of electrical machines, but rotating machines like generators and motors play a major role in our modern industrial society. Learn how to model these systems in 3D.


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