This Week in CFD

This week’s CFD news includes a nice article about gas turbine engine CFD using a GPU accelerated code (the image shown here) and a nice interview with Siemens’ CEO. There are positive signs ahead according to some financial news and events to look forward to in the coming year, especially an invited session of technical papers on grand challenge problems for the CFD Vision 2030. And we hope you’re feeling musical today.

Update: It seems I was too obscure in identifying the article to which the image above belongs. Under the Software heading, see the article about GE’s GENESIS LES code.


  • If you’ve got 30 minutes to spare, Tony Hemmelgarn (CEO of Siemens Digital Industries Software) is interviewed on the topic of human-centered innovation.
  • If you are unfamiliar with the Altair Partner Alliance and their patented license model you can get updated here.
  • Monica Schnitger [her blog is worth following] summarized the PLM world’s financial performance as “it could’ve been much worse” as a lead-in to reporting on Altair’s Q2 results. Their software revenue of $81.8 million was down 3% with paid-up/perpetual licenses taking the biggest hit, down 27%. Perhaps more importantly, CEO Jim Scapa said that they’re through the worst of the COVID-19 effects.
  • Manchester Metropolitan University School of Engineering has an opening for an R&D CFD Engineer.
CFD for NASCAR. Image from See link below. [When you read this article, you’ll see one of my pet peeves in CFD flow viz – using an orthonormal (versus perspective) view (not the image above). Yes, orthonormal is handy for when you’re generating the mesh because it helps you see things lined up. But vanishing points and 3D were discovered centuries ago and that’s how humans see the world. Because I picked on a Siemens image with flow going right to left I figure it’s OK to pick this nit with our friends at ANSYS.]

CFD for…


There are times when a theme emerges. This is one of those times.

Design a guitar using Altair Inspire. Image is a screen capture of a video on
There was that time we meshed a guitar for the IMR meshing contest (and won).
And thanks to alert reader Jim, we have this beautiful example of geometric craftsmanship in the making of a guitar. Image from (Ervin Somogyi, a true artist.)


Free surface modeling with rotation is just one of the new features available in FLOEFD 2020.2. Image from


Cellular Mesh

I like discovering new (to me) artists like Hsiao Chin. The man is in his eighties and has lived and worked all over the world. After his stint the USofA he said “It isn’t easy to live in a country where everyone has to pretend to be happy, young, and beautiful.” That observation aside, his work certainly bridges eastern and western abstraction.

Many modern uses of the grid in painting are a reflection on the digitization or computerization of our time. In Chin’s Samadhi 34 shown below, the effect is more cellular and organic. (Yes, I may be over-interpreting the green as a leaf.) Overall, the balance of the forms is impeccable, from the upward thrusting red and the green recoiling from it to the bare canvas all the way up the left side.

Originally discovered on Artsy.

Hsiao Chin, Samadhi 34, 1997. Image from artist’s website. See links above.

Bonus: Digital artist Andy Walker whom I’ve mentioned here before is running a contest with prizes based on who guesses closest to the actual number of triangles in his next painting.

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