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I suggest you try scaler=10.0 for the shape design variables. |
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This will be a certain improvement. I would like to know what the principle is? |
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Hi! When I am performing optimization, 'fail mesh check' will continue to appear. Only the first primal solution can be completed smoothly. After that, it will continue to evaluate obj function and 'fail mesh check'. But I don't think this is really a problem with my own grid, because when I adjust the reference point or FFD, this problem may not occur in the same case; so I want to know why the continuous 'fail mesh check' is ? How should we better solve this problem and optimize it smoothly? You can see the log for details.
logOpt.txt
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