Pitching Airfoil in FLUENT

salihovic · February 12, 2011, 17:45

Hallo,

I want to simulate a pitching airfoil in fluent. I have 3 zones, freestream, outlet and walls (airfoil). There are also fluid and default interior is appearing the zone options.

1) I have used the UDF that is also posted in this forum

2) I compiled the UDF sucessfully

3) I have to choose the dynamic mesh

I go to Define-Dynamic Mesh-Zones

At this point, I need urgent help.

I choose airfoil (wall) as Type - rigid body
Motion /UDF--UDF I have compiled

I don't know if this is enough? Should I choose fluid,default interior, free stream and outlet zones as Type-Stationary?

Any help,
Thanks a lot,
Salih

srikanthgoli · June 10, 2012, 13:49

Hi Salih,
Sorry i cant help you in this regard, but i need help from you. Could you please post the UDF.

LexMedina · October 24, 2013, 14:58

Hi Salih,

I don't know if I am using the right approach, but on the airfoil I usually apply the rigid body with boundary layer, you can go to the meshing options and set a Cell Height that can deform along your wall zone, as an adjacent boundary layer.
I also create a dynamic mesh zone on fluid and int_fluid as deforming, and then you can set the zone parameters to maintain quality.

Hope this can help you.

Best regards,
Alex

February 12, 2011, 17:45	Pitching Airfoil in FLUENT	#1
salihovic New Member selim Join Date: Sep 2009 Location: UK Posts: 19 Rep Power: 17	Hallo, I want to simulate a pitching airfoil in fluent. I have 3 zones, freestream, outlet and walls (airfoil). There are also fluid and default interior is appearing the zone options. 1) I have used the UDF that is also posted in this forum 2) I compiled the UDF sucessfully 3) I have to choose the dynamic mesh I go to Define-Dynamic Mesh-Zones At this point, I need urgent help. I choose airfoil (wall) as Type - rigid body Motion /UDF--UDF I have compiled I don't know if this is enough? Should I choose fluid,default interior, free stream and outlet zones as Type-Stationary? Any help, Thanks a lot, Salih

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June 10, 2012, 13:49		#2
srikanthgoli New Member srikanth Join Date: Jun 2012 Posts: 4 Rep Power: 14	Hi Salih, Sorry i cant help you in this regard, but i need help from you. Could you please post the UDF.

October 24, 2013, 14:58		#3
LexMedina New Member Alexandre Felipe Medina Correa Join Date: Aug 2013 Posts: 4 Rep Power: 13	Hi Salih, I don't know if I am using the right approach, but on the airfoil I usually apply the rigid body with boundary layer, you can go to the meshing options and set a Cell Height that can deform along your wall zone, as an adjacent boundary layer. I also create a dynamic mesh zone on fluid and int_fluid as deforming, and then you can set the zone parameters to maintain quality. Hope this can help you. Best regards, Alex