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NACA - Inclined flow / symmetryPlane

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Old   January 21, 2010, 03:47
Default NACA - Inclined flow / symmetryPlane
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Stefan
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Hello folks,

i investigate some elementary hydrodynamics using i.e. NACA profiles. The following illustration shows the case in 2D:
Code:
             OUTLET
   _________________________
   |domain                 |
   |                       | 
   |                       | s
   |                       | y
   |                      #| m
   |                     ##| m
   |                     ##| e
 S |                    ###| t
 I |                    ###| r
 D |                   ####| y
 E |                   ####| P
   |                   ####| l
   |                   ####| a
   |                   ####| n
   |                   ####| e
   |                    ###|
   |                       |
   |_______________________|
             INLET

     /    /    /
    /    /    /
   /    /    /
  /    /    /  inclined flow
As you can see, i use a symmetryPlane to split my bounding domain (BTW: '#' represent on half of an airfoil).
My question/problem:
When i want a specified angle fo attack, what is the direction of the flow on the reflected INLET (domain)? I guess the inclined flow is mirrored, too.
Is there a possibility to maintain the inclined flow direction in case of that (e.g. that only the geometry/mesh will be duplicate, not the physical boundaries, maybe the mirrorMesh utility could help)?

thx,
/Stefan
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airfoil, inclined flow, naca, symmetryplane

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