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Electromagnetics Blog Posts

Enhancing the Design of Biconical Antennas with Simulation

February 4, 2015

Biconical antennas are an important component when conducting electromagnetic compatibility (EMC) testing for consumer electronics. RF simulation can be used to enhance their design.

Using Perfectly Matched Layers and Scattering Boundary Conditions for Wave Electromagnetics Problems

January 28, 2015

Learn how to use scattering boundary conditions and perfectly matched layers to truncate domains for your wave electromagnetics problem — and which technique is best for your modeling scenario.

How to Perform a 3D Analysis of a Semiconductor Device

January 26, 2015

Open for a comprehensive introduction to performing 3D analyses of semiconductor devices in COMSOL Multiphysics®. We demonstrate with a bipolar transistor example.

Dielectrophoretic Separation

January 23, 2015

Dielectrophoresis is a phenomenon in which an electric field is used to control the movement of electrically neutral particles. Learn about how to model this effect in both DC and AC fields.

Improving the Power of Optical Systems via Component Design

January 21, 2015

Adaptive optics are used to improve the power of optical systems — beyond the obstacles imposed by the optical medium. See examples and learn how to model adaptive optics systems.

Magnetic Damping of a Vibrating Cantilever Beam

January 12, 2015

We discuss modeling a cantilever beam in a magnetic field. The beam has some structural excitation at the free end, which vibrates it at a constant frequency. Get details in this blog post.

Detecting Dark Matter Axions with a Microwave Cavity

January 5, 2015

The Axion Dark Matter eXperiment (ADMX) uses a microwave cavity in an attempt to detect dark matter axions. Learn more about this project and how simulation can be applied to it.

Analyzing Capacitive Touchscreens in Consumer Electronics

January 1, 2015

Most of us use multiple touchscreen devices throughout the day, from our smartphones to the ATM. Learn how to use electromagnetics modeling to study capacitive effects in these devices.


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