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Time spectral stability derivatives are broken #295
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Thanks for remingding the stability derivatives bugs. I notice the time spectral test file (test_time_spectral_naca64A010.py) used 'useexternaldynamicmesh' to define grid motion. I also tested only using 'qMode' of 'alphaMode' to run time spectral analysis but it seems has no effect for the results, which shows the same values for different timeintervals. Is using Besh wishes |
Yes, this is the only way that currently works.
Yes, to use cmzq as a constraint, you will also need the gradient. The stability code is differentiated with Tapenade, but it is also broken because the analysis is broken. The time spectral dynamic mesh code is not differentiated (tracked in #198). |
Description
As mentioned in the code, the time spectral stability derivatives are broken. I am creating this issue for greater visibility.
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