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Electrical Blog-Beiträge

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…

Computational Electromagnetics Modeling: Which Module to Use?

July 28, 2020

If you work with a particular electromagnetic device or application area, you might be wondering which module in the COMSOL product suite is right for you. Keep reading for a comprehensive intro.

Video Lecture Series: Modeling Electromagnetic Coils in COMSOL®

July 16, 2020

Get an overview of our video lecture series on modeling coils using COMSOL Multiphysics and the AC/DC Module, from setting up a coil model to analyzing electromagnetic heating and more.

Using 3D Models to Investigate Inductive Effects in a Submarine Cable

July 9, 2020

It takes a modern desktop computer ~30 minutes to compute a 3D cable model with twisted magnetic armor. Consequently, 3D cable models are replacing empirical models in the power cable industry.

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