September 1, 2019 at 2:00 pmrikyfritz95Subscriber
I'm trying to optimize the shape of an airfoil following the tutorial on the "maximization of the lif over drag ratio", but when I try to evaluate the observable (force) it shows me this error:
999999: mpt_accept: error: accept failed: Invalid argument
What does it mean? It doesn't happen if I try to evaluate other observables like pressure drop.
Thanks for your help
September 2, 2019 at 5:06 amDrAmineAnsys EmployeeHard to say why. Can you report the force in the usual way?
September 2, 2019 at 2:03 pm
September 2, 2019 at 2:14 pmDrAmineAnsys Employee
Which version are you using? Have you tried to evaluate something else?
September 2, 2019 at 2:17 pmrikyfritz95Subscriber
Yes, if I evaluate other observables like "Pressure-drop" the problem doesn't come. I'm using the Ansys19 version.
September 2, 2019 at 2:23 pmDrAmineAnsys Employee
Version 19 is old: I am not sure if there were issues in the past. Attach a screenshot of the Adjoint Observable definition please.
I am now using 2019R3/R2 and there is no issues with the tutorial you are mentioning. Alternative: try doing an observable as surface integral of pressure and wall shear stress.
September 2, 2019 at 2:42 pm
September 2, 2019 at 3:29 pmDrAmineAnsys EmployeeCheck if you can do surface integrals as mentioned
September 2, 2019 at 3:41 pm
September 2, 2019 at 3:50 pmDrAmineAnsys EmployeeOkay seems something related to integral based observable. Is it possible to try a newer version?
September 2, 2019 at 3:54 pmrikyfritz95Subscriber
Yes, probably the university's computers have a recent version. I will try there. Thanks a lot.
September 3, 2019 at 5:09 amDrAmineAnsys EmployeeWelcome.
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