Production correction or curvature correction in the SST model

Ang · May 20, 2014, 01:08

Hello everyone,
I have a problem about the curvature correction in the SST model. When the curvature correction model in the SST model is activated, there are two options to be selected, none or production correction. My doubt is that what the production correction means? In the ansys 14.5 help document, the production term is corrected by multiplying a coefficient, fr, where the fr is the smaller one between the f(rotation) and a constant, 1.25. So, the production correction means the coefficient fr, or the constant 1.25, or any other parameters?
Hope to receive your reply!

ghorrocks · May 20, 2014, 07:36

The documentation reference research papers which described the models in more detail than the documentation. Maybe you should chase these papers up.

Ang · May 20, 2014, 21:50

Quote:

Originally Posted by ghorrocks

The documentation reference research papers which described the models in more detail than the documentation. Maybe you should chase these papers up.

Thanks for your reply, Mr. Glenn. I have read the reference research papers you mentioned, such as the 'Sensitization of the SST turbulence model to rotation and curvature by applying the Spalart-Shur correction term', but no help can be found for my question.

May 20, 2014, 01:08	Production correction or curvature correction in the SST model	#1
Ang New Member Join Date: May 2014 Posts: 2 Rep Power: 0	Hello everyone, I have a problem about the curvature correction in the SST model. When the curvature correction model in the SST model is activated, there are two options to be selected, none or production correction. My doubt is that what the production correction means? In the ansys 14.5 help document, the production term is corrected by multiplying a coefficient, fr, where the fr is the smaller one between the f(rotation) and a constant, 1.25. So, the production correction means the coefficient fr, or the constant 1.25, or any other parameters? Hope to receive your reply!

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May 20, 2014, 07:36		#2
ghorrocks Super Moderator Glenn Horrocks Join Date: Mar 2009 Location: Sydney, Australia Posts: 17,870 Rep Power: 144	The documentation reference research papers which described the models in more detail than the documentation. Maybe you should chase these papers up.