About Innovative CFD and Me

My name is Chris Nelson, and I'm the person responsible for the Innovative CFD web site.

Why Another CFD Web Site?

I started this site in part because, in the course of my work, I kept seeing the same questions over and over again. So, I had the idea of setting up a web page where I could post my answers to these common questions.

Once the site gets fleshed out, when a customer asks me about something, I will be able to not only give them a verbal (or e-mail) answer, but often I will be able to point them to the Innovative CFD site for more information.

One thing has led to another, and the site is morphing into something bigger, but the original idea of posting some of the lessons I've learned over the years is still a big part of the mix.

Who Am I?

Where do I get these ideas? I get them from my work. I have the best job in the world working for the best boss in the world (and he didn't bribe me to say that, either). More precisely, I'm the Chief Scientist for CFD at Innovative Technology Applications Company, LLC (ITAC, for short).

We do a wide variety of fluids-related research and development projects for customers in the U.S. government and industry. As far as CFD goes, our work includes a mix of CFD applications, software development, and some software support as well. While my personal contributions are almost exclusively CFD-related, ITAC also has experimental, instrumentation, and analysis capabilities.

Portrait of Chris Nelson


A lot of my contracts, though not all, involve the Wind-US CFD solver. This is a production CFD code (and associated utilities), which is developed under the auspices of the NPARC Alliance.

The Alliance is a joint project of NASA and the U.S. Air Force, with contributions from industrial partners like Boeing (and ITAC) and academic partners like Embry-Riddle Aeronautical University and the University of Illinois at Urbana-Champaign. Prior to joining ITAC, I worked at the U.S. Air Force's Arnold Engineering Development Center as their lead NPARC developer.

In recent years, ITAC has done an increasing amount of aeroacoustics work. As a result, we have adopted the CHOPA ("Compressible High Order Parallel Acoustics") solver, originally developed at Penn State. We have been jointly extending the capabilities and usability of CHOPA, and are now beginning to look at marketing it commercially in some fashion.

I have a PhD in Aerospace Engineering from the Georgia Institute of Technology in Atlanta, Georgia (USA); my dissertation involved unsteady simulations of spatially developing mixing layers.

I am currently based just outside Seattle in the beautiful Pacific Northwest portion of the United States.

So that's me. If you would like to know more about CFD, ITAC, or me, just contact me here at Innovative CFD When you're ready, return to the Innovative CFD home page

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