This Week in CFD

CFD_automotive-1030x518The backlog of CFD news is shrinking but old news doesn’t imply dull news. For example, AI, machine learning, and quantum computing all make an appearance this week. And there’s more hardware news than normal, probably because of the recent SC18 event. [Why did they stop calling it Supercomputing?] And we start with this very cool image from CFD Consultants of heating, mesh, and geometry in an engine compartment.

Science Fiction*

  • CFDers Zenotech and AI experts AlgoLib are bringing together their respective expertise and applying AI to mesh generation, building on a prediction that machine learning will be the next big leap in meshing.
  • Airbus announced the Quantum Computing Challenge and its CFD component: “This challenge aims to show how established CFD simulations can be run using a quantum computing algorithm or in a hybrid quantum-traditional way for faster problem solving.” You must register to get the details.

Section 1

  • AI, CFD, and ventilation systems. [In which we read that “It is a human right to breathe clean air.”]
  • From the Journal of Open Source Education comes CFD Python: the 12 steps to Navier-Stokes equations.
  • The Numeca User Meeting 2019 will be held in Brussels on 12-14 November 2019. They are currently accepting abstracts and also offering a discount to all who register before 31 December.
  • Engineers Rule offers a white paper extolling the benefits of virtual prototyping and simulation: Tackling Complex Engineering Challenges.

Here’s a NASA CFD simulation using OVERFLOW of a side-by-side rotor air taxi showing the vortex interactions of the intermeshed rotors. Image from 

Section 2


I think I’ve shown these products here before but because we’re in the midst of gift-giving season it’s only natural to point you to the Bao Bao Issey Miyake Prism Flat Pouch, available in several colors for only $250.  Image from 

Section 3


CFD for simulation of wind in urban environments.

Meshing on Paper

Remember sketching meshes and topologies on paper as part of your planning process? I do. So I find Matthew Shlian’s folded paper tessellations absolutely amazing, especially the shadows cast by their three-dimensionality.

Originally seen on Colossal, you’ll also like some of the other works that look like CFD flow visualizations. On the artist’s website I loved this statement: “I have a unique way of misunderstanding the world that helps me see things often overlooked.” [I wish misunderstanding worked out as well for me given everything that I don’t grok.]


Matthew Shlian, ARA 333 Hollow. Image from Colossal. See links above.

*This heading is deliberately provocative and intended to spark discussion and debate. There are times when people complain about meshing and I think, “What the hell, let’s give robots a crack at it.”

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