Fanny Littmarck | May 31, 2013

It’s been almost a year since we declared 3D printing the hottest topic in manufacturing, and it hasn’t cooled off yet. If anything, 3D printing has seen a recent surge in popularity. By now you’ve heard a lot about the technology and what you can print with it, but did you know you could print invisibility cloaks this way, too?

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Mateusz Stec | May 30, 2013

In many applications, loads applied to structures are random in nature. The sampling results of the structural response will differ depending on the data collection time. Although the stress experienced is not always high, the repeated loading and unloading can lead to fatigue. The engineering challenges in these types of applications are defining the stress response to the random load history in the critical points, and predicting fatigue damage. This is simulated with the Cumulative Damage feature in the Fatigue […]

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Prajakta Sabnis | May 29, 2013

The program committee for the COMSOL Conference Bangalore 2013 has now been established. Exciting times are ahead of us, and personally, I cannot wait to work closely with these experts from industry and academic fields, as part of the user’s conference in Bangalore.

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Bjorn Sjodin | May 28, 2013

Curvilinear coordinates are a coordinate system where the coordinate lines may be curved. The new user interface for automatic computation of curvilinear coordinates is a very practical addition to version 4.3b for those working with anisotropic materials in free-form CAD designs. If you have a generic bent shape and try to apply the usual coordinate systems like Cartesian, cylindrical, or spherical, you are out of luck. Curvilinear coordinates are needed to smoothly follow the design, which typically has no mathematical […]

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Edmund Dickinson | May 27, 2013

If you’re not an electrochemist, chances are you’ve never come across cyclic voltammetry. But look at any electrochemical journal, conference proceedings, or company website for manufacturers of electrochemical sensors. Somewhere near the front, you’ll see a distinctive “double-peaked” graph.

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Kyle Koppenhoefer | May 24, 2013

This week we are happy to have Kyle Koppenhoefer of AltaSim Technologies as a guest blogger. As COMSOL Certified Consultants, AltaSim can share valuable insights into using the software — today on the topic of meshing wave problems. As part of our efforts to assist COMSOL users in performing high-quality analysis, we recently used our bi-monthly email to remind users to include twelve degrees of freedom per wavelength when meshing wave problems. This article builds on our previous advice. Wave-type […]

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Mads Herring Jensen | May 23, 2013

Mufflers are often located in exhaust systems or on heat, ventilation, and air conditioning (HVAC) systems, where their key functionality is to dampen the noise that is emitted from the system. A correct description of the acoustic damping (absorption and attenuation) processes in the muffler is important when designing and modeling these systems.

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Pawan Soami | May 22, 2013

Dynamic simulation of a double pendulum system can easily be performed using the Multibody Dynamics Module available in COMSOL Multiphysics. This module enables the mechanical simulations of assemblies of flexible and rigid bodies, often coupled with other phenomena such as from heat, electrical, and others.

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Jinlan Huang | May 21, 2013

Each year, a program committee is formed about six months prior to the conference day. This is always a sign to me that a brand new conference season has formally started. Working with the program committee has been one of the most inspiring and joyful parts of my involvement with the user’s conference, and I certainly feel the same way about the program committee for the COMSOL Conference Boston 2013.

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Jennifer Segui | May 20, 2013

Equation-based modeling is one of the great strengths of COMSOL Multiphysics. The ability for you to easily access the equations describing the physics you are working with, and adding or manipulating them as you see fit, dramatically opens up the realm of possibilities that you can achieve through modeling and simulation. This is exemplified by the following custom model of a beating heart.

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Laura Bowen | May 17, 2013

Magnetic levitation, or maglev, involves suspending materials with magnetic fields. When gravity, acceleration, and other forces weigh down on an object, they can all be counteracted by magnetic pressure. Some uses that may appear to go completely against nature can actually be explained by fundamental science.

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