# focus on primitive valuable method

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 December 24, 2003, 23:22 focus on primitive valuable method #1 fluideniro Guest   Posts: n/a Hello, everyone! In the past two months, I busied myself on the subject '2D flow around a square cylinder'. Now I'm very anxius about it and want to search for some previous investigations that meet these following conditions. 1. primitive valuable method and SIMPLER scheme on staggered grid are used; 2. grid nodes for pressure are set on the wall of the square cylinder; 3. pressure boundary condition on the wall of the square cylinder is offered, and the nearest normal velocity outside the wall is corrected by normal momentum equation. If anyone has done or know someone has done the similar work, please tell me how to contact with him/her or how to find the paper on the subject. Any help would be appreciated! Merry Christmas to you!

 December 26, 2003, 21:49 Re: focus on primitive valuable method #2 versi Guest   Posts: n/a "1. primitive valuable method and SIMPLER scheme on staggered grid are used" -> imply that pressure location is at the cell-center, "2. grid nodes for pressure are set on the wall of the square cylinder" --> this is contrary to 1 if a grid line is aligned with the wall. To my knowlege, there no need to precrible pressure BC for staggered grid, the numerical BC for pressure comes from differential equation and velocity BC. Other comments?

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