Electromagnetics Blog Posts
Investigating a Three-Port Ferrite Circulator Design with RF Simulation
Get a quick introduction to microwave circulators and modeling them with the RF Module. The featured example is a three-port ferrite circulator.
Optimizing ISFET Designs with Multiphysics Simulation
Ion-sensitive field-effect transistors (ISFETs) measure pH levels for soil analysis, the production of dairy products, and more. Multiphysics simulation can help us optimize these devices.
The Nonparaxial Gaussian Beam Formula for Simulating Wave Optics
Here’s your introduction to the nonparaxial gaussian beam formula, which is used for simulating wave optics problems in COMSOL Multiphysics®.
Modeling a MOS Capacitor with the Semiconductor Module
MOS capacitors (MOSCAPs) contain 3 main parts: a semiconductor body or substrate, an insulator film, and a metal electrode (or gate). You can use the Semiconductor Module to model MOSCAP designs.
How to Perform a Nonlinear Distortion Analysis of a Loudspeaker Driver
For a thorough and complete analysis of a loudspeaker driver design, acoustics engineers need to perform nonlinear time-domain studies in addition to frequency-domain studies.
Optimizing Combustion Particle Control in an Electric Filter Design
To optimize the design of an electrostatic filter, researchers from Switzerland used multiphysics modeling, validating their results by comparing them to experimental data.
Studying the Van Allen Belts with Particle Tracing Simulation
Get a closer view of the Van Allen belts, 2 donut-shaped belts of radiation that surround Earth, with the help of particle tracing software.
How to Model Conductors in Time-Varying Magnetic Fields
You can use the AC/DC Module to perform frequency-domain simulations for conductors in time-varying magnetic fields by describing the skin effect.