[CFD] How Fine should my CFD mesh be?

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Fluid Mechanics 101 is a channel dedicated to bringing you up-to-date, scientifically validated discussions in fluid mechanics. Computational and numerical methods are covered extensively, with a focus on modern, commercial and academic codes. At all times, methods and discussions are referenced correctly, with open-source links provided where possible. The channel aims to be a reliable and convenient source of information for scientists, engineers, academics and researchers, so that formulae, methods and data can be accessed quickly, avoiding hours spent digging though textbooks and research papers to locate a single formula! As the channel aims for information to be convenient, videos are deliberately kept short and concise. All suggestions for new video topics/clarification/error spotting are welcome and strongly encouraged and can be posted in the comments section or sent to [email protected]. Welcome to the channel. I hope you find it an indispensable resource!