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Electrical Blog Posts

Investigating a Three-Port Ferrite Circulator Design with RF Simulation

July 13, 2018

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

July 2, 2018

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

June 26, 2018

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

June 20, 2018

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

June 18, 2018

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

June 5, 2018

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

May 30, 2018

Get a closer view of the Van Allen belts, 2 doughnut-shaped belts of radiation that surround Earth, with the help of particle tracing software.

How to Model Conductors in Time-Varying Magnetic Fields

May 25, 2018

You can use the AC/DC Module to perform frequency-domain simulations for conductors in time-varying magnetic fields by describing the skin effect.

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