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Electrical Blog Posts

Modeling the Scattering of Light Off of an Object on a Substrate

April 14, 2020

A common modeling scenario in wave electromagnetics: computing the scattering of light off of a structure patterned on top of a uniform dielectric substrate.

How Do I Use Gauge Fixing in COMSOL Multiphysics®?

April 2, 2020

Here’s your guide to using gauge fixing in your electromagnetics simulations in COMSOL Multiphysics®, from determining if it is necessary to imposing current conservation.

What Is Gauge Fixing? A Theoretical Introduction

March 24, 2020

Investigate the consequences of Helmholtz’s theorem when applied to Maxwell’s equations, and when using scalar and vector potentials to represent physical fields.

Modeling a Pacemaker Electrode in COMSOL Multiphysics®

March 19, 2020

What happens when the heart doesn’t pump the way it should? Pacemakers maintain the heart rate by monitoring natural electrical signals. Pacemaker electrodes are a key part of these devices.

How to Perform Lens Simulations Using the Wave Optics Module

February 19, 2020

Lens simulations in wave optics can be difficult to perform, as they usually require a lot of mesh elements. Learn how to sidestep this issue using the functionality of the Wave Optics Module.

Developing a Silicon MEMS Chip for On-Demand DNA Synthesis

January 21, 2020

The development of genome editing tools like CRISPR-Cas9 has increased the demand for DNA synthesis technology. Researchers are creating a DNA synthesis platform to broaden horizons in the field.

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.


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