EP 019: Patrick Roache | Learning CFD: Career Advice and V&V {How To Become A CFD Engineer}
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"These days it is common to see a complicated flow field, predicted with all the right general features and displayed in glorious detail that looks like the real thing. Results viewed in this way take on an air of authority out of proportion to their accuracy."
"CFD is far from perfect, its capabilities are often overrated, and it can mislead us if we let it. But it is such a powerful tool that there is *no way the modern practice of aerodynamics could get along without it.*"
-Doug McLean from Understanding Aerodynamics: Arguing from the Real Physics
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TIME STAMPS
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00:00 Introduction and Early Career
00:45 Interview with Dr. Patrick Roache
01:44 Verification and Validation in CFD
02:14 Challenges in Early Computational Work
04:42 The Turbulence Olympics
09:23 Establishing Standards in Numerical Fluid Dynamics
13:09 The Grid Convergence Index
22:36 Impact of the 1975 Chapman, Mark, and Pirtle Article
29:34 Challenges in Aerodynamic Drag Calculation
30:26 The Need for High-Quality Wind Tunnels
30:59 Philosophy of Experimental Validation
34:28 Symbolic Manipulation in Early AI
37:43 Expert Systems and AI in Jeopardy
39:39 Critiques of Modern AI
50:29 Reflections on a Career in CFD
55:20 Final Words of Wisdom
Podcast Recorded: July 2, 2024; Subscriber release count: 1808