# How to find the separation point in fluent

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 April 8, 2010, 09:54 How to find the separation point in fluent #1 Member   tom Join Date: Feb 2010 Posts: 46 Rep Power: 8 Hi all I am a newbie for using fluent, now I am doing a 2D airfoil simulation. Now,as the separation happen,I need to determine the position of separation point. some people said by using wall shear stress can calculate that point, is that right, can somebody explains for me more specificly. Thanks for all Han

 April 8, 2010, 13:30 #2 Senior Member   Jouke de Baar Join Date: Oct 2009 Posts: 125 Rep Power: 8 One possibility is to look where the wall shear stress is zero. Plot -> XY Plot Select: Wall Fluxes ... Select: Wall Shear Stress Under Surfaces: select your airfoil This will generate a xy-plot, in which the y=0 indicates separation. It works for a 2D case (for a 3D it is also possible, not with xy-plot but with a contour plot of Wall Shear Stress). mm.abdollahzadeh likes this.

 April 8, 2010, 13:43 Hi #3 Member   tom Join Date: Feb 2010 Posts: 46 Rep Power: 8 Hi Jack1980 Thank you for your reply, a very clear explanation for me.

 April 8, 2010, 13:48 #4 Senior Member   Jouke de Baar Join Date: Oct 2009 Posts: 125 Rep Power: 8 You're welcome, good luck with your simulation!

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