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Forum: CFX

September 21, 2012, 05:23

Replies: 8

Too low drag coefficient on a bus

Views: 3,539

Posted By Roland R

OK, I understand it, Thank you for your help.

OK, I understand it, Thank you for your help.

Forum: CFX

September 20, 2012, 08:09

Replies: 8

Too low drag coefficient on a bus

Views: 3,539

Posted By Roland R

Hello Glenn, thank you for your help. I...

Hello Glenn,

thank you for your help. I searched after measurements of the Ahmed body. I made a simulation with this geometry and the drag coefficient is very exact in my calculation. The y plus...

Forum: CFX

September 14, 2012, 10:34

Replies: 8

Too low drag coefficient on a bus

Views: 3,539

Posted By Roland R

Dear all, thank you for your help and...

Dear all,

thank you for your help and suggestions.

I tried to make more exact mesh. The y plus is lower than 1. I use 13 layers in the BL. Value of the cd is ~0,5. I think that this value is...

Forum: CFX

September 12, 2012, 09:46

Replies: 8

Too low drag coefficient on a bus

Views: 3,539

Posted By Roland R

Too low drag coefficient on a bus

Hello,

I have a bus geometry (in original size). I made a simulation to investigate the drag coefficient. I think, the mesh is quite fine, the y plus is 20-100. But based on result, the drag...

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