Electromagnetics Blog Posts

How to Optimize the Spacing of Electromagnetic Coils
Did you know that you can maximize the magnetic field strength of your electromagnetic coil designs by optimizing the spacing between the coils?

Analyzing the Design of a New Generation of Midinfrared Fiber Optics
Semiconductor simulation software is a promising method for advancing the design of midinfrared fiber optics because it can be used to measure propagation losses in the optical fibers.

Studying an Innovative Wireless Power Transfer Method with Simulation
Current wireless power transfer technology involves charging pads or stands. Disney Research is using simulation to investigate an innovative method called quasistatic cavity resonance (QSCR).

Predict Thermal Drift in Microwave Filters Using Multiphysics Simulation
When subjected to high-power loads and harsh environmental conditions, microwave filters can experience thermal drift. One way to predict this unwanted effect is with multiphysics simulation.

3 Ways to Optimize the Current in Electromagnetic Coils
We give you 3 ways to optimize the current in electromagnetic coil designs using the AC/DC Module and Optimization Module, add-on products to COMSOL Multiphysics®.

How to Postprocess Fields over Arbitrary Geometries
Check out this useful modeling trick: You can query the results of your model within an arbitrary geometric subregion by implementing an integration during postprocessing.

Designing a Sensor Package for a High-G Accelerometer via Simulation
To design a piezoresistive sensor package for a high-G accelerometer, researchers turned to multiphysics analysis. They then verified the simulation results with experimental data.

Designing and Optimizing MRI Birdcage Coils Using Simulation
An MRI birdcage coil should have an optimized magnetic field distribution around a patient’s head. Using RF simulation, we can design such biomedical systems.