parametric analyses in ansys workbench and CFX

crusen mind · April 19, 2016, 16:37

Quote:

Originally Posted by ghorrocks

The derivative against AOA is simply got from a sweep of AOA. If you want the time dependant ones then you need to do transient simulations where you model the appropriate motion and get the lift/drag from that.

can u elaborate what ur trying to say.

ghorrocks · April 19, 2016, 19:34

Rather than me guess what you are looking for, can you be more specific with what you are asking? Then we can discuss the topic which is of interest to you.

crusen mind · April 20, 2016, 02:33

I am doing my project on aerodynamic control and stability derivatives estimation. I have to find variation of cl, cd, cm for various velocities and various AOA.

ghorrocks · April 20, 2016, 04:32

So can't you set up a parametric model to sweep over AOA and velocity to give you the data you need?

crusen mind · April 20, 2016, 05:03

I am doing parameteric study. but when i give update all design points i am getting a error message " conflict exist between execution control in this component and upstream component"

-Maxim- · April 20, 2016, 05:05

delete execution control in pre and let the parameter study part of workbench control it.
or, as the error message says: "this can be resolved by right clicking on solution cell and choosing an option from edit run definition menu"

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April 19, 2016, 19:34		#22
ghorrocks Super Moderator Glenn Horrocks Join Date: Mar 2009 Location: Sydney, Australia Posts: 17,870 Rep Power: 144	Rather than me guess what you are looking for, can you be more specific with what you are asking? Then we can discuss the topic which is of interest to you.

April 20, 2016, 02:33		#23
crusen mind Member alex Join Date: Feb 2016 Location: chennai Posts: 48 Rep Power: 10	I am doing my project on aerodynamic control and stability derivatives estimation. I have to find variation of cl, cd, cm for various velocities and various AOA.

April 20, 2016, 04:32		#24
ghorrocks Super Moderator Glenn Horrocks Join Date: Mar 2009 Location: Sydney, Australia Posts: 17,870 Rep Power: 144	So can't you set up a parametric model to sweep over AOA and velocity to give you the data you need?

April 20, 2016, 05:03		#25
crusen mind Member alex Join Date: Feb 2016 Location: chennai Posts: 48 Rep Power: 10	I am doing parameteric study. but when i give update all design points i am getting a error message " conflict exist between execution control in this component and upstream component"

April 20, 2016, 05:05		#26
-Maxim- Senior Member Maxim Join Date: Aug 2015 Location: Germany Posts: 413 Rep Power: 13	delete execution control in pre and let the parameter study part of workbench control it. or, as the error message says: "this can be resolved by right clicking on solution cell and choosing an option from edit run definition menu"