This Week in CFD

Unlike this sentence, this week’s collection of CFD news and notes is brief, terse, truncated, short, concise, and succinct. But we still find time to include two articles about CFD and the summer Olympics, plenty of job openings, and financial news from the CFD biz that indicates things are looking up economically. A bumblebee can fly even though its name implies that it bumbles. A butterfly flies but isn’t made of butter. But never mind all that. What’s important is that researchers are studying the aerodynamics and propulsion of butterfly flight (butterflight?) as shown here.

Siemens Digital Industries Software announced the early access program for Simcenter 3D 2022.1 for which registration is now open.

Cadence has an opening for an Account Technical Executive – CFD in Fort Worth. This role requires someone with CFD expertise who can also work with prospective customers and demonstrate the software’s value for their challenges.

Cadence in Brussels seeks a Software Engineer for Omnis, “GUI environment for complex and large scale CFD and multidisciplinary simulations.”

AirShaper delves into the aerodynamics of several Olympic events [and introduced me to “shin tape”].

FlowVision answers five questions about the computational grid.

Cradle CFD was used to simulate the thermal environment athletes had to tolerate at the recently completed summer Olympics. This image illustrates my Olympic specialty: sitting. Image from

Our friends at Ansys appear to have had a robust Q2 according to Monica Schnitger. Revenue was $447 million, up 16%. Also notable is the statement that “leases/subscriptions are the customers’ preferred buying mode” versus perpetual licenses. Bottom line for the quarter was $94 million in profit.

Altair also seems to have had a good Q2 with a 22% increase in revenue to $120 million.

ENGYS seeks to hire a CFD Engineer (Automotive) in Europe.

ICYMI, a couple of recent blog posts highlight CFD at Cadence.

Congratulations to our friends at Hermeus for getting financial backing from the USAF for their hypersonic vehicle, Quarterhorse. Image from

Open CASCADE v7.5.3 was released.

If you haven’t spent hours browsing the galleries at, you probably don’t really like fluids.

Altair is seeking a Manager, Software Development – Mesh & Geometry.

Engineers Rule published the latest installment (5A) of their ultimate guide to working with STEP files in SolidWorks.

Rhino Flow RT, real time CFD for Rhino, is now available.

MathWorks shares this study of how a butterfly flies.

When you work with computers long enough, cable management becomes your foe. Enter the cable tie for bringing order to snaking chaos.

But who among us thought to transform the lowly, inexpensive, mass-produced cable tie into biomorphic, organic-inspired, works of art?

Sui Park did. “When I weave and connect [cable ties], they are transformed into organic visualizations. I want them to be creating lasting moments, evoking and encapsulating our precious thoughts.”

As first seen on Colossal, Park’s installations are often found out in nature where the openness of the works is a transparency that allows the natural world to be seen through the lens of her forms.

Sui Park, Undulating Beauty, 2018. source

Bonus: You know what a high strain rate solid is. You also know that Silly Putty is such a thing. (You let it hang and it slowly stretches into ribbons. You yank on it and it snaps into two pieces.) How can you put this property to non-silly use? In a speed bump.

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