This Week in CFD

So much CFD news, so little time. Lots of conference news which is great, especially as we move toward live events. At several of these events you’ll have the chance to hear from the Cadence CFD team. Speaking of Cadence CFD, we are hiring for several positions, both in Fort Worth and Brussels. As always, you’ll find all the applications, software releases, and other CFD news that time permitted me to include. Shown here is a screen capture from a video of a FieldView visualization of a Mach 1.5 jet impingement. Click through for the link and details.

Registration is open for next week’s 2nd Annual SU2 Conference. Registration for this 3-day (12-14 July) online event is free. As you can see from the agenda, you’ll have the opportunity to hear about high-order numerical schemes, applications of all types, design optimization, GPU acceleration and more. Most importantly, you’ll be able to hear Cadence’s Travis Carrigan present “Automation, Adaptation, and Advanced CFD Meshing in Pointwise.” [OK, that’s a bit over the top.] Most importantly, you’ll hear from the SU2 Foundation on their strategic plan and development philosophy.

While we’re on the topic of events, the 2nd High-Fidelity Industrial LES/DNS Symposium (which goes by the acronym HIFILED in various mixed-case and punctuated incarnations) is coming up on 22-24 September in Toulouse and online. As you know, numerical algorithms and physical modeling are two of the technology areas on which the CFD Vision 2030 is focused. The symposium promises to cover a broad range of topics from LES/DNS, to GPU, high-order, machine learning, and experimental datasets. The call for papers is open and your 1-2 page abstract is due by 15 August.

Let’s keep going on events. The agenda is not yet posted for the 4th International Conference in Numerical and Experimental Aerodynamics of Road Vehicles and Trains (Aerovehicles 4) but Cadence’s Nick Wyman and co-author Paul Galpin will present their work on “Robust, Efficient, and Accurate Mesh Adaptation for Road Vehicles.” What’s doubly cool is that this conference (on 23-25 Aug) is immediately followed by Auto CFD 2 (26-27 Aug) at which our Cadence CFD colleagues from Numeca will be presenting their work on the workshop’s benchmark cases.

More? At this summer’s COVID-delayed AIAA Aviation (2-6 Aug, online – it’s usually held in June), there are two CFD 2030 events to watch for. On Mon 02 Aug at 1pm there will be a technical panel session on “The Impact of Physical Modeling on CFD Capabilities.” This panel will discuss the critical physical modeling issues that need to be addressed and potential solutions to enable the virtual model-based engineering design paradigm. Moderated by Lockheed Martin’s Brian Smith [a friend and neighbor of mine], the panelists include Florian Menter (Ansys), Oriol Lehmkuhl (Barcelona Supercomputer Center), Meelan Choudari (NASA), and Venkat Raman (Univ. of Michigan). You don’t want to miss it. The second event will be on Tue 03 Aug in Session CFD-09 which will include the paper “CFD Vision 2030 Road Map: Progress and Perspectives,” an update on progress toward the 2030 vision during the past year and a look back at the previous 5 years. I am a co-author of this paper from which you should rightly infer that I’m like an editor of contributions by experts.

Can you tell I kinda miss in-person events?

A reminder of the existence of the Unstructured Grid Adaptation Working Group [never say the acronym “you-gawg”] including their repository of benchmarks and other information.

CFD for an aero road bike with “large truncated aerofoil tube shapes.”

What am I? A sucker for a grid pic. This is despite being the same guy who claims that most grid pics in technical publications are worthless. But I digress. Here we see a grid of underground tunnels generated using Griddle, a meshing add-on for Rhino. As you can see, it targets geotechnical applications.

Let’s talk jobs.

I discovered a CFD application this week that’s so bizarre I won’t post it here. [You’re probably wondering when I started self-editing.] The industrious reader could possibly find it.

Congratulations to the team at Dyndrite for being named a Technology Pioneer by the World Economic Forum. As you know, they develop a geometry kernel that targets computer-aided manufacturing, most notably 3D printing.

Quoted directly from YouTube: “Acoustics of under-expanded Mach 1.5 impinging jet with a lift-plate. Density gradient contours (color) superimposed over gray-scale dilatation contours, showing turbulent structures, shock-cells in the jet plume and resulting acoustic waves. FieldView animation courtesy of Prof. Datta V. Gaitonde, Mech. & Aerosp. Eng., The Ohio State University.”

Blender 2.93 was released.

“The era of vector supercomputing might sound like ancient history to some…” Call me ancient then. Not only did I cut my teeth on a Cray 1 and Cray 2 but I can tell you the story about a guy who barfed – literally – on our Cray. Anyway, the NEC Vector Engine allows vectorized legacy codes (in this case the Navy’s FDL3DI) with minimal code mods.

CFD for how jellyfish swim.

You can now run Cradle CFD software on a Fujitsu supercomputer based on the Fugaku technology.

Omnis 5.1, the simulation environment, has been released with a number of modifications including advanced thermomechanical simulations for turbomachinery called Omnis/Oofelie [which I included here simply because of the name.]

ENGYS released HELYX v3.3.2.

CFturbo 2021 R1 is now available.

CFD for an electric motorcycle aspiring to a land speed record.

Esteco released modeFRONTIER 2021R2.

Here’s Visualizing Data’s best of the visualization web for March 2021 and April 2021.

I’m fairly certain I’ve shared Jason Anderson‘s work here before. But an article about him from Colossal ended up in my feed and now it ends up in yours too. I browsed his website and kept coming back to the painting included below. It’s hand painted but his technique for applying the paint, probably with a knife, gives it a digital motif. All his works are heavily geometric and abstract yet obviously representational. And his use of color is what really activates everything. Can you tell he started his career working with stained glass?

Jason Anderson, Untitled, 2019. Image from the artist’s website. See link above.

Bonus: The Golden Sutra is a video homage to the colors of Buddhism with beautiful fluid-like effects.

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