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Electromagnetics Blog Posts

Introduction to Efficiently Modeling Antennas in COMSOL Multiphysics®

October 31, 2016

Here’s your guide to efficiently modeling antennas using COMSOL Multiphysics® and the RF Module. An anechoic chamber, which is used to characterize antenna performance, is used as an example.

How to Automate Winding Design in Electrical Machines with an App

October 26, 2016

Learn how to create selections in COMSOL Multiphysics® to streamline the analysis of a winding design for electrical machines, as well as how to automate the process with the Application Builder.

MIT’s PSFC Designs a Tokamak to Survive Plasma Disruptions

October 17, 2016

A group of engineers at MIT’s Plasma Science Fusion Center (PSFC) used multiphysics simulation to address a key challenge in tokamak design: instability due to plasma disruptions.

Sampling from Phase Space Distributions in 3D Charged Particle Beams

September 22, 2016

Learn how to sample the initial positions and velocities of 3D beam particles from the transverse phase space distribution. Part 3 of a series on modeling charged particle beams.

Understanding the Paraxial Gaussian Beam Formula

September 21, 2016

The paraxial Gaussian beam formula can be used to describe the Gaussian beam. We go over the theory behind this mathematical formula, as well as its limitations.

Phase Space Distributions and Emittance in 2D Charged Particle Beams

September 19, 2016

We discuss the concepts of phase space and emittance as they apply to the release of ions or electrons in beams. Part 2 of a series on phase space distributions in beam physics.

Sampling Random Numbers from Probability Distribution Functions

September 15, 2016

Get a comprehensive background on probability distribution functions and the different ways you can sample random numbers from them in COMSOL Multiphysics®. Part 1 of a series on beam physics.

Study the Design of a Polarizing Beam Splitter with an App

September 12, 2016

Creating a numerical modeling app offers you a more efficient approach to analyzing and optimizing the design of optical devices. See an example of a polarizing beam splitter design app here.


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