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Membrane Interface Improvements in Version 5.0

December 11, 2014

The Membrane interface has undergone a number of changes with the release of COMSOL Multiphysics version 5.0. This includes a restructured menu, new feature nodes, improvements to the Linear Elastic Material model, and support for the Hyperelastic Material model. You might remember the Nonlinear Structural Materials model Inflation of a Spherical Rubber Balloon. We have now rebuilt it using the Membrane interface. I will discuss these changes and the new model in today’s blog post.

Where to Find Application Builder Tutorial Apps

December 10, 2014

With the release of the Application Builder, we also bring you tutorial apps for getting started. You can find these applications both within the Application Library in the software and online in the Model Gallery. This is your resource on where to find the tutorials, including how to run the Application Library update.

Automatic Meshing for Electromagnetic Simulations

December 9, 2014

Here’s a question for all you electromagnetics-focused simulation engineers out there: Have you ever looked in envy at your structural, fluid, and chemical counterparts as they mesh their models with the click of a button, while you struggle to mesh your infinite elements or perfectly matched layers? Well, now you too can enjoy automatic meshing with a click (or two). Let me show you how.

Intro to Modeling Evaporative Cooling

December 8, 2014

When you think of evaporation, you probably think of the cup on your desk that spreads the aroma of coffee or tea. But evaporation is also a process with many industrial and scientific applications, ranging from meteorology to food processing. This blog entry is the beginning of a new blog series on modeling evaporative cooling. Here, we introduce the basic concepts using your coffee cup as an example.

Modeling Ray Propagation in a Newtonian Telescope System

December 5, 2014

When the Newtonian telescope was first developed in 1668, it was recognized as the earliest operating reflecting telescope. With its low cost and simplistic design, this optical system became a favorable alternative to refracting telescopes, and the technology continues to be widely used today. Using the Ray Optics Module, we can analyze ray propagation within this type of telescope system.

Keynotes from the COMSOL Conference 2014 Boston

December 4, 2014

Attendees at the COMSOL Conference 2014 Boston had the opportunity to hear keynote speeches from COMSOL Multiphysics® simulation software users Oak Ridge National Laboratory and WiTricity. Both engaging and highly informative, these presentations offered an interesting mix of notable multiphysics applications.

Investigating LED Efficiency via Multiphysics Simulation

December 3, 2014

Bright light-emitting diodes (LEDs) are revolutionizing the lighting industry and blue LEDs in particular are ushering in a new age of widespread efficient LED lighting. The importance of blue LEDs was marked by this year’s Nobel Prize in physics, which went to the inventors. But, because bright LEDs are driven by larger currents, they suffer from reduced efficiency — a phenomenon known as LED droop. Using multiphysics simulations, we can investigate and understand the mechanisms behind LED efficiency.

Creating an App for Modeling Flow Control in a Pipe Network

December 2, 2014

We just launched a new app for you to download from the Application Library update. This app is a dedicated tool for modeling the flow and pressure distribution inside a network of connected pipes. Engineers in semiconductor processing could use a tool like this to test a given design and ensure it will meet specification before prototyping the physical device. Here, I’ll give you some background info and walk you through how this app works.


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