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No convergence method available in ANYS FSI problems?

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Old   May 10, 2013, 08:54
Default No convergence method available in ANYS FSI problems?
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Antonio Casas
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Hi , I canīt add a convergence method on a FSI problem. A pressure solution from CFX fluid analisis is beeing aplyied over a wing shaped structure as a load. When I try to add the convergence method under solution options in mechanical workbench, this option is not availabe.
If I do supress the imported pressure, and add a simple force load on the tip of the wing shaped structure, then this option is available and I can use this convergence method.
Can someone tell me why?
Thankīs a lot
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Old   May 10, 2013, 09:10
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http://www.cfd-online.com/Forums/ans...workbench.html
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Old   May 10, 2013, 09:28
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mmm, donīt understand. Why 2 way? iīts 1 way in my case.
thankīs
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Old   May 10, 2013, 09:32
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by the way, I see my post have been moved. How to find where? And why itīs beeing moved? I have posted under Ansys forum directory, isnīt the right way to do it?
Thankīs
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Old   May 10, 2013, 10:02
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acasas: Your thread has been moved to CFX forum for one week. Here you will meet wonderful people who are expert in FSI with CFX specially Glenn.
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Old   May 11, 2013, 00:53
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Sorry, I am no expert on FSI. In fact I will admit that I have never done an FSI simulation with CFX as I do not need to in my line of work But I do know a little about CFD and numerical methods in general and many of the questions asked are simple enough for that.
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Old   May 11, 2013, 05:46
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Sad for me.
Where can I find help for this? Any suggestion?
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Old   May 11, 2013, 05:53
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I am sending you some tuts on FSI using CFX. Hope it will help you.

uploading will take some time around 12-14 hrs
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Old   May 11, 2013, 06:14
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Hi Sijal. Thanks for it.
I do more or less know how to solve a FSI 1 way problem.
But as I told you, my problem now is inside mechanical workbench. If I do apply a pressure solution as a load to my structure, I CAN get the stress over it with no problem. However if I try to use the convergence method for a better automatic mesh refinement on the higly stressed areas, this option does NOT show up. Instead, if I do apply a simple force on the tip of my wing shaped structure and supress the imported pressure, the convergence option does show up.
Any suggestion?
Thankīs
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Old   May 11, 2013, 06:50
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What do you mean by convergence?

http://www.padtinc.com/blog/the-focu...al-information
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Old   May 12, 2013, 15:29
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downloaded files?
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Old   May 12, 2013, 15:39
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Hey Sijal!

Just downloading right now. thankīs
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