This Week in CFD

Welcome to the special Black Friday edition of This Week in CFD where all this curated fluid dynamics and engineering simulation goodness is available today for 100% off regular price with discount code CFD100. Everyone else pays full price for news about a 64-core CPU, hardware disaggregation, lots of 2021 events, and an update on the financial health of the CAE market. Plus all the usual stuff, of course. Shown here is a simulation performed at U. of Michigan of the plume from a Mars lander’s thruster interacting with the planet’s surface.

Software

  • Rhoxyz Version 2020.3 was released with a new GUI and CLI and updates to the core solver.
  • Simcenter STAR-CCM+ 2020.3 was released with many new features including a scale-resolving hybrid turbulence model for unsteady RANS.
  • SimScale launched a beta version of their new CFD postprocessor.
  • Pointwise V18.4, including Flashpoint – intelligent, automatic surface meshing – was recently released. Watch the webinar here.
  • OnScale released OnScale Solve, “the world’s first cloud engineering simulation platform.” You can get a free, private account with 500 hours of simulation time.
  • FLOW-3D Hydro, the water-focused CFD software for civil and environmental engineering applications, has a new user interface and workflow.
  • Introducing Flowfusic, “OpenFOAM in a cloud from your web browser.”
  • Deep learning for solving PDEs like the N-S equations.
A simulation from Rhoxyz v2020.3, meshless Lagrangian CFD. Image from rhoxyz.com. See link above.

Hardware

  • I don’t know enough about computer hardware to fully grok this article, but it introduces a relatively new vendor (Liqid) and something called disaggregation which seems to allow an HPC system’s resources to be reconfigured as a job’s needs dictate. [I welcome corrections to my interpretation.]
  • AMD introduced the first 64-core workstation CPU, the Ryzen Threadripper PRO 3995WX.
  • ANSYS Cloud and Microsoft Azure are now integrated.
STAR-CCM+ 2020.3 simulation of a gas turbine engine. Image from siemens.com. See link above.

Jobs

I’m a sucker for a mesh image. This one is from an ANSYS article about optimizing winter tire design. Image from ansys.com. [The article mentions “black ice” which is the plague of Texas winters. I learned to drive in snow. Black ice is totally different.]

Events

  • At AIAA SciTech 2021 (an online event) the CFD 2030 Integration Committee invites you to attend two sessions devoted to grand challenge problems for CFD.
    • A special session with three invited papers on grand challenge problems for external aerodynamics, propulsion, and space access.
    • A special panel sessions with an additional three invited panelists to discuss how to bring these grand challenge ideas to fruition.
  • At AIAA Aviation 2021 [hopefully an in-person event?] two CFD workshops will be offered in a highly integrated format.
  • A recording (registration required) of a panel discussion on 3D CAD interoperability is available from the 3D Collaboration and Interoperability Congress.
    • Our friends at Action Engineering who run the 3DCIC have released OSCAR, the Ontology System for CAd Reuse.
  • Recordings from the Altair Technology Conference are available for you to watch for free.
  • At AIAA Aviation 2021, a new CFD workshop will debut.
  • Mentor’s User2User online event is coming to Europe on 01 December. The North American event was 10 November and can now be streamed.
Zenotech wrote about how you can use OpenFOAM in their Elastic Private Interactive Cloud (EPIC) service to do simulations like this motorbike. [I like this image because it’s not sickly green.] Image from zenotech.com.

Biz

Viz

CFD for…

Guessing Pays Off

Thanks go to my favorite digital artist specializing in triangles, Andy Walker. These are the prizes for coming in second place in his recent contest to guess the number of triangles that would be used in one of his works. I can only imagine what the first place prize was.

I wonder what I’m going to do with all this stuff?

If you’d like to get in on the action, his current contest is to guess how many unique colors he’ll use in a new work, Westonbirt Arboretum II (see below). Probably at least a dozen. Just email your guess to info@andywalkerartist.com.

Photo study for Andy Walker’s next work, Westonbirt Arboretum II. Andy’s

Bonus: Physics explains why (American) football passes spiral. (Spoiler: “the gyroscopic precession driven by the torque that results from the ball’s nonzero angle of attack and by the interaction of that torque with the ball’s angular momentum.”)

Double Bonus: Alert reader Matt found this video about non-repeating patterns that are a geometer’s dream.

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