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All posts by Alan Petrillo

Happy Birthday, Adhémar Jean Claude Barré de Saint-Venant

August 23, 2021

The shallow water equations, a derivation of the Navier–Stokes equations, and Saint-Venant’s principle can all be credited to French physicist Adhémar Jean Claude Barré de Saint-Venant.

Zooming in on a Compact Camera Module Design with Simulation

July 20, 2021

Lights, camera, simulation: Read about factors that help define the performance of compact camera modules (CCMs) as well as how optical ray tracing can be used to analyze their design.

Fine-Tuning an HVAC System Design with Simulation

June 23, 2021

Do you find your office too hot, too cold, or just right? Using simulation, HVAC system engineers can assess indoor climate conditions and ensure maximum comfort among a building’s occupants.

Happy Birthday, John Sealy Townsend

June 7, 2021

From fluorescent light bulbs and Geiger counters to plasma televisions and semiconductor manufacturing, Townsend discharge has many important applications. Who discovered this phenomenon?

The Quest for Clarity: Tracing Rays in 3 Telescope Designs

May 25, 2021

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.

Modeling Two-Phase Flow in a PEM Electrolyzer

May 18, 2021

From transportation to industrial applications, hydrogen-based energy storage has shown promise in many fields. Well-designed electrolyzers help make these applications possible.

Building a Solid Foundation for Understanding Seismic Waves

April 22, 2021

In 1906, there was the California earthquake. In 1908, there was the Lawson Report. In 1910, Harry Fielding Reid proposed the elastic rebound theory. Continue on a deep dive into seismology…

A Quiet Revolution: Analyzing Electric Motor Noise via Simulation

March 2, 2021

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.


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