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Electrical Blog Posts

Model Vortex Lattice Formation in a Bose–Einstein Condensate

November 17, 2020

Bose–Einstein condensation can cause superfluidity, superconductivity, lasers, and trapped dilute cold atoms. When such systems are subjected to rotating perturbation, it forms a vortex lattice.

It’s a Bird, It’s a Plane, It’s…Gravity-Defying Spiders!

October 27, 2020

Spider ballooning, in which spiders float for miles, was originally observed by Charles Darwin in 1832. Since then, researchers from University of Bristol used simulation to study this effect.

How to Model Different Transitions for Rectangular Waveguides

October 20, 2020

Waveguide to planar, coaxial to waveguide, and rectangular to elliptical: These 3 different transitions for rectangular waveguides can be modeled using COMSOL Multiphysics® and the RF Module.

Video Lecture Series: Modeling Joule Heating with Thermal Expansion

September 15, 2020

Get an overview of the lecture series on Joule heating and thermal expansion. Plus, access supporting material.

How Does This Lip Gloss Appear to Defy Gravity?

September 10, 2020

We attempt to explain a mysterious, gravity-defying phenomenon involving a viral video, dielectric materials, electrostatics, and lip gloss.

Modeling a Scatterer Near an Optical Waveguide

August 25, 2020

In the real world, most structures are more complex than a 2D dielectric slab. However, if you’re designing photonic structures, you can learn a lot about wave optics modeling from this example.

Modeling Waveguides that Support Multiple Modes 

August 12, 2020

2 ways you can model a waveguide that supports multiple modes: add a PML that can be used to absorb any modes, or explicitly add ports for each possible mode.

2 Video Discussions on Multiphysics Simulation of Optics and Photonics

July 30, 2020

John Wallace, senior editor at Laser Focus World, and Chris Boucher, technical product manager at COMSOL, discuss the use of multiphysics simulation in the optics R&D community. Take a look…


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