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Electromagnetics Blog Posts

Understanding Higher-Order Diffraction

January 9, 2024

Explore how to use the Ewald sphere to study diffraction from planar periodic structures. (Interact directly with the model to get the full picture!)

From TV Signals to Toasting: Tuning a Yagi–Uda Antenna to Heat Muffins

December 29, 2023

See how modeling and simulation can be used to test an unconventional heating method. Here, we explore how a Yagi–Uda antenna performs as a hypothetical oven replacement to heat muffins.

Modeling Dispersion in an Electric Currents Model

December 20, 2023

As of COMSOL Multiphysics® version 6.2, new electrical dispersion modeling capabilities are available. This functionality is especially important for modeling insulators and living tissues.

Building a Metalens Design App with COMSOL Multiphysics®

September 21, 2023

Here, we explore how to build a simulation app for reflective metalens design, which can easily be compiled into a standalone app.

Modeling Periodic Electric Signals and Their Thermal Effects

August 22, 2023

Electrical pulse trains can be applied to human tissue for electroporation and thermal ablation. Learn how to model such signals via a Fourier transform approach.

Understanding the Transient Electromagnetic Excitation Options

August 17, 2023

Looking to model electrical signals that vary arbitrarily in time? We suggest using the Electric Currents interface. Learn why here.

Developing Better Resonators for CMOS Technology

June 30, 2023

Sub-GHz technologies are used by the billions for home automation, infrastructure monitoring, and more. This growing demand calls for optimally designed RF filters and resonators.

Understanding the Excitation Options for Modeling Electric Currents

May 5, 2023

Learn about the capabilities of COMSOL Multiphysics® for modeling frequency-domain electric currents in this in-depth guide.


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