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Busting Myths

Nazita Saye

Nazita Saye

Posted Jul 23, 2014
0 Comments

I went out to a dinner party this past Saturday. I sat next to an ex-colleague who I now consider among my dearest friends. I met him five jobs ago – a while back we decided that it was kinder to our psyche to talk about jobs as opposed to the number of years. He is a brilliant engineer and has many years of simulation software use under his belt. He leads a team of several junior engineers who work on projects so nowadays he doesn’t get to play with software as much. But a recent project had brought one of the junior engineers to his knees so my friend was only too happy to roll-up his sleeves and get his hands dirty (so to speak). And before you say it, yes, we do talk about other things but invariably at one point or another we end up chatting about all things simulation.

Anyway, he started explaining the problem to me. I won’t go into the details but he was talking about the difficulty in meshing the model. I sat there quietly as he told me about how he fixed the mesh to get the project back on schedule. After about 15 minutes of listening, I couldn’t contain myself anymore so I blurted out why aren’t you using the automatic mesher? Our software can handle that problem without requiring all these steps. I finished that statement and pretty much everyone sitting at the table physically ducked – prepared for the verbal onslaught. You see, mentioning brand names is a no-no because a few of my friends are from the industry and use competing products. So brand name discussions can become rather heated philosophical type discussions similar to the goodness of apple pie and the flag… Thankfully he was in a good mood so he responded with a rather amused giggle and I took that as a cue to change the subject.

The evening progressed and we were several topics removed from our discussion but I still couldn’t shake the thought. Yes this is a competitive market but surely no one can be expected to deal with technology that is too difficult to use. I know meshing is a black art. But it seems that there’s this belief “in order for us to solve complex engineering problems we need difficult to use software otherwise it won’t be good enough” is so ingrained in the collective psyche that it has become a rule. The longer we believe it, the more it weaves itself into the fabric of our belief system and the more we guard it. And once something becomes a belief or habit, it’s very hard to change it… well for me it does.

Simulation results on an LED with FloEFD for Creo.

Simulation results on an LED with FloEFD for Creo created with Virtual Lab.

A few years back we published a whitepaper called the 5 Myths of CFD specifically to address these types of beliefs. During the past six years of invalidating those myths we have discovered a few more! If you’re interested in reading about those newly discovered myths, then I’d like to encourage you to download and read the 10 Myths of Computational Fluid Dynamics  And if you’d like to debunk some of those myths for yourself then give FloEFD on the cloud a try. We call it the Virtual Lab and it lets you try FloEFD for Creo for free (just follow this link for more information).   You don’t need to download anything. All you need is an open mind, your myth busting hat and a desire to see what the excitement about CAD-centric CFD is all about.
Until next time,
Nazita

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About Nazita Saye

Nazita SayeI have been involved with the CFD user community in one shape or another since 1999 -- when the NIKA team first introduced FloWorks to the engineering community. Over the years I've seen the market evolve and I still marvel at the wide range of products that are being designed with our tools. As the Manager of External Communications for the Mechanical Analysis Division at Mentor, it is my privilege to bring some of our customer stories to you. Visit CFD doesn’t mean Color For Directors

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