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Finding Answers to the Tuning Fork Mystery with Simulation

April 13, 2018

If you strike a tuning fork and hold it against a tabletop, the peak frequency of the emitted sound doubles. Is there a physical explanation for this “tuning fork mystery”?

Multiphysics Modeling of Stress Corrosion in Underground Pipelines

April 11, 2018

Stress corrosion is a phenomenon that causes degradation in underground pipelines. Learn how to use multiphysics modeling to understand and predict its occurrence.

Simulating an SMA Connector on a Grounded Coplanar Waveguide

April 10, 2018

SMA connectors are used in cellphone antennas and PCB testing. To optimize their performance for a specific use, electrical engineers can evaluate their designs with simulation.

Redesigning Faraday’s Wheel: Creating Efficient Homopolar Generators

April 9, 2018

Acyclic generator, unipolar generator, disc dynamo, Faraday wheel, homopolar generator: Whatever you call it, this device has an interesting history and a variety of applications.

How to Model Linear and Nonlinear Optics in the COMSOL® Software

April 6, 2018

See how to model the Kerr effect, and other linear and nonlinear optical phenomena, using the Wave Optics Module and COMSOL Multiphysics®.

High-Fidelity Modeling of a Tunable Filter via Multiphysics Simulation

April 3, 2018

Tunable cavity filters can enhance the development of high-speed, wireless communication networks. To optimize these devices for such a purpose, we can turn to high-fidelity modeling.

How to Perform Multimaterial Optimization in COMSOL Multiphysics®

March 30, 2018

Does a tuning fork sound better when made out of aluminum instead of copper or steel? In COMSOL Multiphysics®, you can perform an optimization study for multiple materials to find out.

How to Use the Parameter Estimation Study Step for Inverse Modeling

March 29, 2018

This blog post includes a tutorial video. Watch it to learn the steps for performing a parameter estimation study for inverse modeling in COMSOL Multiphysics®.

Coastal Erosion Uncovers Buried Tracks from Throughout History

March 27, 2018

In 2018, a series of winter storms caused severe erosion along a U.S. coastline, uncovering footprints and horse-and-buggy tracks from centuries earlier.

Using the Algebraic Multigrid (AMG) Method for Large CFD Simulations

March 26, 2018

There’s an ideal method for solving large CFD simulations that involve complex geometries. It’s called the algebraic multigrid (AMG) method, and you can learn all about it here.

Happy Birthday, Pierre-Simon Laplace

March 23, 2018

Pierre-Simon Laplace contributed to celestial mechanics and helped develop an equation for pressure across a curved surface. He also had his demons. The Laplace demon thought experiment, that is.

Topology Optimization of a Magnetic Circuit for Loudspeakers

March 22, 2018

By optimizing the topology of loudspeaker components, such as magnetic circuits, we can develop speaker designs that are portable, lightweight, and high quality.


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