Computational Aerodynamics Questions & Answers | |
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There's not enough information provided for me to help you. You need to isolate the problem and indicate clearly what change in the control file created this problem.
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Good observation. It's better to use the definition in the tables. Make modifications to your class notes accordingly. 2 points bonus.
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Well, if the value is within the second log is negative it means you're not within the asymptotic range of convergence.. 2 points bonus.
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The GCI$_c$ parameter is only used to check if the solution is in the asymptotic range. To check if the solution is in the asymptotic range, yes, you need to set the $\delta_x P$s to zero. If you don't do this, then computing GCI$_c$ is useless as it will be a good check of whether we're in the asymptotic range or not. 1 point bonus.
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Hm, this means that the file out.01 was created with a different mesh size than is now specified in your control file. I recommend not to use the interpolation file flags -oi or -ii if this gives you trouble (this saves on some computing time, but is a bit harder to operate). Simply create a new out.01 with the -o flag without reading in out.01i. That will work just as well but will be a bit slower.
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$\pi$ |