Electromagnetics Blog Posts
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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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.