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I need help with the discrete adjoint parameters |
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December 16, 2023, 09:40 |
I need help with the discrete adjoint parameters
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giuseppe sammarro
Join Date: Nov 2023
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Hi, i'm using for the first time a discrete adjoint simulation, i've seen already all the tutorial and i have a few questions about the parameters that i have to insert on the config file.
1)the first one is relatively to the scale factor: % Optimization constraint functions with pushing factors (affects its value, not the gradient in the python scripts), separated by semicolons % ex= (Objective = Value ) * Scale, use '>','<','=' OPT_CONSTRAINT= ( MOMENT_Z < 0.093 ) * 0.001; ( AIRFOIL_THICKNESS > 0.12 ) * 0.001 -What does change if i insert a lower or a higher number? -The scale factor needs to be the same also for the obj_function? if I insert a different number for example 0.1 for drag and 0.01 for the moment what can I expect? 2)DV_PARAM= ( 1, 0.5 ) what does this one? 3) the adjoint solutions in the folder DESIGN will always do the maximum number of iterations that i set in the config file? thanks for anyone who will try to explain me those question. |
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