Low-Frequency Electromagnetics Blog Posts
![](http://cdn.comsol.com/wordpress/sites/1/2016/01/COMSOL_Blog_ModelImgs_Magneticm_ThumbnailImg.png)
Model Magnetic Materials in the Frequency Domain with an App
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.
![](http://cdn.comsol.com/wordpress/2015/10/3D-magnetic-flux-density-plot1.png)
Modeling Linear Motors or Generators in COMSOL Multiphysics
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.
![](http://cdn.comsol.com/wordpress/2015/08/Adding-tubes-to-thermal-cycler1.jpg)
Creating Ultrafast Polymerase Chain Reaction Tests with LEDs
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.
![](http://cdn.comsol.com/wordpress/2015/08/Single-turn-coil-arrangement-magnetic-flux-featured.jpg)
Analyzing Mutual Inductance in Different Coil Arrangements
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.
![](http://cdn.comsol.com/wordpress/2015/08/simulating-graphene-and-graphene-based-devices-featured.png)
Should We Model Graphene as a 2D Sheet or Thin 3D Volume?
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?
![](http://cdn.comsol.com/wordpress/2015/07/Magnetic-flux-density-in-a-radial-electromagnetic-bearing-featured.jpg)
How to Model Magnetic Bearings in COMSOL Multiphysics®
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.
![](http://cdn.comsol.com/wordpress/2015/05/various-position-sensors-in-cars-featured.png)
Modeling an Inductive Position Sensor
A researcher from Lemfoerder Electronic GmbH in Germany used simulation to design an inductive position sensor for automotive applications. Get details here.
![](http://cdn.comsol.com/wordpress/2015/04/induced-electric-field-in-2D-generator-featured.png)
How to Model Rotating Machinery in 3D
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.