Designing a Power Generation Source for Bicycle Safety Lights

Rune Thygesen | November 22, 2016

Today, we invite guest blogger Rune Thygesen of Reelight to discuss designing a power generation source for bicycle safety lights using simulation. At Reelight, we are developing an affordable bicycle safety light that is extremely easy for the end user to install. Along with a stronger and more flexible mounting system, we needed to develop a new power generation platform. Using simulation-based design, we created a power platform that is easy to use and quick to install.

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Magnus Ringh | November 18, 2016

One dessert that is sure to amaze your dinner guests is the baked Alaska. This classic treat consists of ice cream placed on a bed of sponge cake and covered in meringue. Although the dessert goes into a hot oven to caramelize the meringue, the ice cream inside surprisingly remains frozen. In this blog post, we use the heat transfer simulation capabilities of the COMSOL Multiphysics® software to find out how the baked Alaska works.

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Bridget Cunningham | November 17, 2016

Food packaging is often composed of recycled materials, like newspapers or plastic, which may contain residual mineral oil inks. Traces of these potentially hazardous substances leftover from the recycled materials can migrate from the packaging to the stored food. To account for this, one research team developed a numerical model to analyze the migration patterns of mineral oil hydrocarbons for various packaging situations. Compared to experimental studies, their approach offers a more efficient and cost-effective way of optimizing food safety.

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Phillip Oberdorfer | November 15, 2016

At the COMSOL Conference 2016 Munich, simulation engineers and researchers from around Europe came together to share their work and achievements. Although there were many innovative and inspiring presentations on using the COMSOL Multiphysics® software in a variety of application areas, six of the conference papers and posters stood out among the rest. Learn more about the best papers and posters from the COMSOL Conference 2016 Munich below.

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Bridget Cunningham | November 14, 2016

When designing a perforated well to recover oil and gas, choosing the right number of perforations with the appropriate properties is key. Too many holes and you run the risk of equipment failure or injury; too few and you decrease productivity levels. One way to achieve this balance and improve the safety and productivity of the recovery operation is to model fluid flow near the wells. Let’s see how the Application Builder makes this process even more efficient.

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Caty Fairclough | November 11, 2016

In the highly competitive world of professional cricket, every swing is important. To deliver powerful shots, a batsman needs a well-designed bat and knowledge of how to best use it. One way to improve a player’s batting skills, and perhaps design better bats, is to locate their so-called “sweet spots”. A research team from the University of the West Indies achieved this by performing a structural analysis with the COMSOL Multiphysics® software.

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Amlan Barua | November 10, 2016

In a previous blog post, we discussed the physiological basis of generating action potential in the excitable cells of living organisms. We spoke about the simple Fitzhugh-Nagumo model, which emulates the process of depolarization and repolarization in a cell’s membrane potential. Today, we analyze a more advanced model for simulating action potential, the Hodgkin-Huxley model. We also go over how to use a computational app to streamline this type of analysis.

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Bauke Kooger | November 8, 2016

Today, we invite guest blogger Bauke Kooger of Delft University of Technology to discuss modeling a magnetic suspension system for the Hyperloop. The Hyperloop is a proposed mode of transportation in which a vehicle, or pod, travels at the speed of sound through a low-pressure tube. At this speed, a magnetic suspension offers several advantages over systems such as air bearings or wheels. To test this, Delft’s Hyperloop team modeled their pod’s magnetic suspension in the COMSOL Multiphysics® software.

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Caty Fairclough | November 7, 2016

Marie Curie is a Nobel Prize-winning scientist who was a pioneer in the field of radioactivity, a word she herself coined. Besides her many honorary degrees and memberships in societies across the globe, she is well known for her two Nobel Prizes in physics and chemistry. As today is the anniversary of her birthday, we’d like to take a brief look into her life and major achievements.

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René Christensen | November 3, 2016

Today, guest blogger René Christensen of GN ReSound discusses the importance of acoustic topology optimization and how to apply it in COMSOL Multiphysics. Topology optimization is a powerful tool that enables engineers to find optimal solutions to problems related to their applications. Here, we’ll take a closer look at topology optimization as it relates to acoustics and how we optimally distribute acoustic media to obtain a desired response. Several examples will further illustrate the potential of this optimization technique.

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Nandita Roche | November 2, 2016

The COMSOL Conference 2016 Bangalore took place on October 20-21, and presenters from across the country came to showcase their simulation work. From modeling the motion of a dragonfly’s flapping wings to the simulation design of piezoelectric energy harvesters, we saw a wide range of exciting poster and presentation topics at this year’s event. Read on to learn about the top posters and papers at the COMSOL Conference 2016 Bangalore.

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