Can't Find Variable "Skin Friction Coefficient" in CFD-Post in CFX

Shomaz ul Haq · June 3, 2017, 07:51

Dear all,

Hope all are well. I want to ask why isn't there are skin friction coefficient in CFD-Post in CFX? Is there a different version of the same variable with a different name? I want to verify my results with the hand calculations by plotting a chart along the length of pipe for fully developed region in a 3D laminar pipe flow with material water in CFX. Would be extremely grateful for help. Hope to hear from someone soon. Thanks.

Opaque · June 3, 2017, 10:09

You can find the variable Wall Shear in the CFD-Post.

From there you can compute any definition of skin friction coefficient you are familiar with.

Shomaz ul Haq · June 4, 2017, 03:03

Thanks a lot for the reply Opaque. Yes I was finally able to draw a chart of skin friction coefficient (SFC) against x axis!

June 3, 2017, 07:51	Can't Find Variable "Skin Friction Coefficient" in CFD-Post in CFX	#1
Shomaz ul Haq Senior Member Shomaz ul Haq Join Date: Aug 2015 Location: Islamabad, Pakistan Posts: 205 Rep Power: 11	Dear all, Hope all are well. I want to ask why isn't there are skin friction coefficient in CFD-Post in CFX? Is there a different version of the same variable with a different name? I want to verify my results with the hand calculations by plotting a chart along the length of pipe for fully developed region in a 3D laminar pipe flow with material water in CFX. Would be extremely grateful for help. Hope to hear from someone soon. Thanks.

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June 3, 2017, 10:09		#2
Opaque Senior Member Join Date: Jun 2009 Posts: 1,804 Rep Power: 32	You can find the variable Wall Shear in the CFD-Post. From there you can compute any definition of skin friction coefficient you are familiar with.

June 4, 2017, 03:03		#3
Shomaz ul Haq Senior Member Shomaz ul Haq Join Date: Aug 2015 Location: Islamabad, Pakistan Posts: 205 Rep Power: 11	Thanks a lot for the reply Opaque. Yes I was finally able to draw a chart of skin friction coefficient (SFC) against x axis!