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Blog Posts Tagged RF Module

Modeling a THz Photoconductive Antenna with COMSOL Multiphysics®

June 13, 2024

Photoconductive antennas are commonly used in terahertz engineering. Learn how these devices work and how to model one with the Semiconductor Module and RF Module.

Modeling the Speed and Stealth of the Darkstar

March 28, 2024

What would the shock waves around the Darkstar really look like at Mach 7.5? How stealthy is this hypersonic jet? Here, we use modeling and simulation to find out.

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.

Using Different Physics Interfaces for RF Electromagnetic Heating Models

May 4, 2023

RF heating problems can be modeled with both the RF Module and the AC/DC Module. Learn more about their capabilities here.

Verifying the Friis Transmission Equation with FEM–BEM Coupling

February 24, 2023

The RF Module can be used to model transmitter and receiver antennas for line of sight communication. Learn about this application of FEM-BEM coupling here.

Shape Optimization in Electromagnetics: Part 2

December 16, 2022

See 2 examples of how shape optimization can benefit the design of microwave and millimeter wave applications. Part 2 of a 2-part series.

Mode Analysis for Electromagnetic Waveguides in COMSOL®

July 5, 2022

Get an introduction to mode analysis, which can be used to investigate mode characteristics in complex waveguide structures.

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