This Week in CFD

Software

  • Siemens PLM Software released Solid Edge ST8.
  • Materialise released 3-maticSTL v10.0.
  • Beta CAE released ANSA v15.3.0.
  • CD-adapco released DARS v2.1 0D and 1D management of chemical reactions. [What I found most curious about this announcement is that my web browser’s URL bar shows a copyright registration symbol in the web page’s URL. I had no idea you could do that.]
The winner of 2015's Science as Art contest. Try to figure out what this image shows before clicking through to the article. Image from Int'l Science Grid This Week.

The winner of 2015’s Science as Art contest. Try to figure out what this image shows before clicking through to the article. Image from Int’l Science Grid This Week. [Yes, this should probably be placed below in the section on Awards.]

Miscellaneous

  • “Why Multi-Core CPUs are Useless for CAD” [Because I often draw analogies between CAD and meshing (because the latter is more like the former than it is a CFD solver, for example) and because I think multi-core CPUs are useful for meshing, I disagree a little with this statement. OK, meshing algorithms can take a long time to run and can benefit from multi-core programming. But there are a lot of other things happening that can benefit from multi-core. Don’t you think?]
  • A senior CFD specialist in building services is being sought in Hong Kong.
  • The call for papers is now open for the COMSOL Conference 2015 (Boston, 7-9 Oct) with an early due date of 19 June and final due date of 31 July.

Fun With Bubbles

Screen capture from the video on Discrete Circulation-Preserving Vortex Sheets for Soap Films and Foams. See link below.

Screen capture from the video on Discrete Circulation-Preserving Vortex Sheets for Soap Films and Foams. See link below.

Submitted by blog reader and fluids researcher Dr. Christopher Batty comes this video on “using non-manifold triangle meshes to animate soap bubbles, films, and foams, using a method based on the equations of vortex sheets.” The work is the subject of an upcoming SIGGRAPH paper. Be certain to watch the video all the way to the end (it’s only 5 minutes) to see the bubbles popping.

Applications

The Living Heart Project created this model using SIMULIA. Image from Desktop Engineering. Click image for article.

The Living Heart Project created this model using SIMULIA. Image from Desktop Engineering. Click image for article.

  • Desktop Engineering wrote about the use of simulation for medical applications.
  • Exa tells how autonomous vehicles are effected by aerodynamics. [Note: This link was added after this post was initially published.]

Awards

  • Here’s some award-winning CFD work on cooling data centers by a PhD student at SUNY Binghampton.
  • Another CFD researcher, this one from the Shipbuilding Research Center of Japan, won the DNV GL COMPIT Award for his work in advancing the use of HPC for shipbuilding.
  • MSC’s Apex is a finalist for a Stevie Award.
  • And to round out the awarding of awards, ANSYS received a Confirmit ACE award for their customer service.

Discretization: On the Computer and IRL

Discretization is obviously a part of CFD and simulations in general. The image below is a screen capture from a video called Pixel WORLD that shows various particle-based simulations with a particle size coarse enough to give a voxel effect.

Screen capture from the video Pixel WORLD, a montage of particle simulations on a coarse, voxel scale. Click image for video.

Screen capture from the video Pixel WORLD, a montage of particle simulations on a coarse, voxel scale. Click image for video.

But discretization is appealing in real life too as illustrated in the gorgeous photo below from Lernert & Sander called Cubes in which unprocessed food has been diced into perfect 2.5 cm sided cubes.

Cubes: discretized food by Lernert & Sander. Image from Lernert & Sander. Click image for source.

Cubes: discretized food by Lernert & Sander. Image from Lernert & Sander. Click image for source.

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