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-   -   boundary layer simulation : basic issues (http://www.cfd-online.com/Forums/main/7877-boundary-layer-simulation-basic-issues.html)

amol palekar July 27, 2004 18:22

boundary layer simulation : basic issues
 
Hi, I want to simulate boundary layer growth over a flat plate. I can think of two ways in which this can be done :

case 1. Initial conditions assuming there is a discontinuity near the leading edge. so i can use two domains (the plate and free stream).

case 2. Start with a boundary layer profile guess and hence just use only one domain.

could anyone tell me wether I can start with case 1 and let boundarly layer profile develop. Can this problem be classified like a "shock" problem and hence case 1 be called as boundary layer capturing.

Also if i take unifrom grid size in stream wise direction then the aspect ratio would be very great near plate surface. Any comments or sugessations would be of great help. -Amol


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