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Coupling Structural Mechanics Interfaces

November 4, 2014

In addition to the general Solid Mechanics interface, the Structural Mechanics Module consists of specialized interfaces: Shell, Plate, and Membrane for the modeling of thin structures; and Beam and Truss for modeling slender structures. An engineering structure that has a mix of solid, thin, and slender components can be modeled by combining these physics interfaces with each other. Here, we will explore the options for coupling the structural mechanics interfaces by using examples from the Model Library.

Multiscale Reactors: Cleaning the Flows

November 3, 2014

Probably the most common reactor in the chemical industry is the packed bed reactor. This reactor is used in chemical synthesis and for effluent treatment and catalytic combustion. Oftentimes, heterogeneous catalysis requires packed beds. A common design is a cylindrical column filled with catalyst pellets. The pellets can be contained within supporting structures, like tubes or channels, or packed in a single compartment in the column. The latter is called dumped packing.

COMSOL Multiphysics® Version 5.0 Now Available

October 31, 2014

It’s here. We have now released the latest version of COMSOL Multiphysics® simulation software — version 5.0 — and it’s revolutionary. Why? You will now be able to turn your COMSOL Multiphysics models into apps and share them with your colleagues and customers. We are also releasing three new add-on products and numerous updates to existing products. Here’s a quick run-down of the release news.

Avoiding Figure Skating Joint Stress with Measuring Device

October 30, 2014

Figure skating is a beautiful but dangerous sport; repetitive jumping and landing on ice can cause a lot of joint stress. Researchers are working on “smart” blades to measure the force that is exerted on the ice. The data could then be used to prevent injuries.

Using Slice Plots to Show Results on Cross-Sectional Surfaces

October 29, 2014

Last month, my colleague Ruud described some of the most effective ways to use arrow plots in your COMSOL Multiphysics simulation results. In this next installment of the postprocessing series, I’ll continue with slice plots, which are an easy way to visualize physics behavior on many different parts of your model.

Nanodiamonds Shine Brightly in Biomedical Research

October 28, 2014

Nanoparticles may be microscopic in size, but their potential in shaping imaging techniques for biomedical research is vast. Let’s explore the properties of nanodiamonds and investigate new research that is advancing their role in observing and analyzing cell processes.

Modeling Hydrodealkylation in a Membrane Reactor

October 27, 2014

The design of the reactor used in hydrodealkylation can have a significant impact on the overall yield and selectivity of the conversion product. In this blog post, we use modeling and simulation to investigate the advantages of using a membrane reactor.

How Much Memory Is Needed to Solve Large COMSOL Models?

October 24, 2014

One of the most common questions we get is: How large of a model can you solve in COMSOL Multiphysics? It turns out that this is quite tricky to answer decisively, so in this blog entry, we will talk about memory requirements, model size, and how you can predict the amount of memory you will need for solving large 3D finite element problems.

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