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-   -   very urgent pleasade:Cl and Cd values for airfoil (https://www.cfd-online.com/Forums/fluent/40760-very-urgent-pleasade-cl-cd-values-airfoil.html)

Liaquat April 26, 2006 18:57

very urgent pleasade:Cl and Cd values for airfoil
 
Hi I am doing a simple 2D analysis to find Cl and Cd values for an airfoil. 1. Where are the Cl values listed in the solution or how is it setup. 2.Where are the Cd values listed in the solution or how is it setup. 3. I think it's necessary to use one of the turbulance models to get a viscid solution. Now when I pick any of the models e.g.Spalart-Allmarass mdoel, do I need to change any of the parameters and constants on the page or all remain unchanged. 4. Since Cd values are usually quite small comapred to Cl, is their a way to change the scale on the graphs.

Urgent help is appreciated

san April 27, 2006 07:01

Re: very urgent pleasade:Cl and Cd values for airf
 
Cd & Cl can be obtained from

solve -> monitor -> forces.

in forces select the required data & say ok.

with regards sangamanath

Liaquat April 27, 2006 12:20

Re: very urgent pleasade:Cl and Cd values for airf
 
Thanks a lot Sir. Any ideas on second part of my questio i.e. changing scale for drag calculation and which model to select for turbulence to get right values for drag. Best regards


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