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Electrical Blog Posts

Which Study Type Should I Use for My Electrothermal Analysis?

January 13, 2020

What’s the best interface to use when implementing electrothermal analyses in COMSOL Multiphysics? We go over the interfaces, study types, and multiphysics couplings for high and low frequencies.

What Is the Curl Element (and Why Is It Used)?

December 30, 2019

When solving some electromagnetics problems, the curl element (also called the edge element or vector element) can be used in the finite element method.

Modeling of NDT Methods Using COMSOL Multiphysics®

December 17, 2019

Active thermography, active ultrasonic, guided waves, acoustic emissions, and eddy current testing: 5 examples of how nondestructive testing (NDT) methods can benefit from multiphysics modeling.

Three Semiconductor Device Models Using the Density-Gradient Theory

December 2, 2019

You can use the density-gradient theory to model semiconductor devices. Here are 3 examples: a Si inversion layer, Si nanowire MOSFET, and InSb p-channel FET.

Intro to Density-Gradient Theory for Semiconductor Device Simulation

November 27, 2019

The density-gradient theory is a computationally efficient way to include quantum confinement in the conventional drift-diffusion formulation commonly used for simulating semiconductor devices.

How the B-H Curve Affects a Magnetic Analysis (and How to Improve It)

November 26, 2019

Magnetic soft iron steels are widely used as core materials in motors, transformers, and inductors. The B-H curve is used to describe the magnetization properties of such materials.

Simulating Radiation Effects in Semiconductor Devices

November 20, 2019

Analyzing radiation effects in semiconductor devices is an important capability for consumer electronics, medical imaging, nuclear engineering, aerospace, and a wide range of other industries.

Optimizing Microwave Ovens with Solid-State RF Cooking

November 13, 2019

Did you know that conventional microwave ovens use the same magnetron technology that was first used in WWII? These researchers thought it was time for an upgrade…


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