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Home > Forums > Engineering Computer Programs > General Engineering Programs > MSC.Software: Patran Forum

Flutter modeling in PATRAN

Read More Threads Like This One

Pshell90 (Aerospace)

17 Aug 12 13:47

Is there anyone here who has ever made a flutter model in PATRAN/NASTRAN ?! I really need help ?

Wei24060 (Aerospace)

8 Sep 12 14:58

give a short introduction of your problem that maybe I can give you some instructions.

Pshell90 (Aerospace)

10 Sep 12 2:33

I want to model a composite beam in PATRAN & calculate flutter features.
first of all, I have a problem with geometry of beam in PATRAN in aeroelasticity modulus. because it is 1-D, there is a serious problem for coupling structural mesh to aerodynamic mesh with spline. Because for aero grids the software needs elements and I can not select any elements with beam geometry .
Then I used shell instead of beam. I could validate flutter velocity with %0.5 difference, but the flutter frequency is wrong.

Please help me what to do.

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