Electromagnetics Blog Posts
Do Voltage and Ground Exist?
Remember how the terms “voltage” and “ground” were taught in your university electrical engineering classes? Get a precise definition (in terms of modeling computational EM problems) here.
8 Uses of COMSOL Multiphysics® in the Biomedical Industry
Read about 8 real-world examples of how engineers and researchers in the biomedical industry are using simulation to advance their innovative designs.
The Quest for Clarity: Tracing Rays in 3 Telescope Designs
The Keck telescope includes a parabolic reflective surface made up of 36 separate interlocking mirrors. Learn more about this and 2 other popular telescope designs via ray tracing simulation.
Efficient Meshing Strategies for 3D Inductive Heating Models
Interested in some efficient meshing strategies for 3D inductive heating models? In this blog post, we demonstrate how to partition a mesh based upon the element type.
How to Model Polarization Rotation Along a Waveguide
Interested in modeling photonic waveguiding structures? Learn some efficient techniques for devices with multiple supported waveguide modes and identical waveguide cross sections.
Designing Cavity Filters for 5G Devices with Multiphysics Modeling
From radar and microwave ovens to particle accelerators, RF cavity filters are found in a variety of different application areas. Among them: 5G devices and infrastructure.
How to Model a Hall Effect Sensor with COMSOL Multiphysics®
Basic working principle of a Hall effect sensor: A nearby magnetic field deflects the path of current through a semiconductive sensor, which causes a measurable change in potential.
A Quiet Revolution: Analyzing Electric Motor Noise via Simulation
The sound we hear from electric-powered machines is a multiphysics phenomenon: A motor’s electromagnetic activity sends vibrations through both the machine and the surrounding air.