# How to calculate Transition onset and length??

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 December 20, 2007, 12:01 How to calculate Transition onset and length?? #1 Mohammad Faridul Alam Guest   Posts: n/a Sponsored Links Hi, can anybody tell me how will I calculate transition onset location and transition length in CFX-post? I have used Gamma Theta Model. Thanks Farid
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 December 20, 2007, 17:58 Re: How to calculate Transition onset and length?? #2 Glenn Horrocks Guest   Posts: n/a Hi, Are you trying to see where the simulation has predicted the transition points? Look at the turbulence intermittency variable. 0=laminar, 1=turbulent. Glenn Horrocks

 December 21, 2007, 04:07 Re: How to calculate Transition onset and length?? #3 Mohammad Faridul Alam Guest   Posts: n/a Hi Glenn, Thanks. yes, I am trying to predict the transition location. do I need to see the contour of turbulence intermittency?? Can't I make any plot of Turbulence Intermittency Vs. X? Farid

 December 25, 2007, 06:17 Re: How to calculate Transition onset and length?? #4 Glenn Horrocks Guest   Posts: n/a Hi, Turb Int. is a scalar variable like any other. It can be viewed on a surface, as an isosurface, a contour on a cross section plane or may other ways. You can make a plot of turb int versus X by exporting the turb int and X location along any object, such at a line, surface or cross section plane. Glenn Horrocks

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