CFD Online Discussion Forums

CFD Online Discussion Forums (http://www.cfd-online.com/Forums/)
-   Phoenics (http://www.cfd-online.com/Forums/phoenics/)
-   -   regarding grid (http://www.cfd-online.com/Forums/phoenics/52021-regarding-grid.html)

ganesh March 2, 2006 01:16

regarding grid
 
i am working on single phase natural circulation loop. i want to make grid in bfc for circular pipe which is a rectangular loop. i want to close the loop how 2 close the loop. i am getting one error msg ,yc has revesed sign because grid supllid was left handed

Jim March 2, 2006 08:20

Re: regarding grid
 
RE left-handed grid, you've put you ijk origin in the wrong place. Shift it over to the other side of the mesh. If you're using a polar mesh, just rotate the circular plane around the other way.

To close the loop, you need to define some cyclic boundary conditions at the extents where the loop closes.

ganesh March 14, 2006 07:21

Re: regarding grid
 
To close the loop, which type of cyclic boundary conditions shoud i specify at the extents where the loop closes.


ganeshrenge March 27, 2006 03:22

Re: regarding convergence
 
i am working on single phase natural circulation loop. i have make grid in bfc for circular pipe which is a rectangular glass loop. the loop is filled with water. heater is placed at bottom & cooler is at top. i want to solve for velocites,press& temp.how to solve for this. how to get convergence

narendar gajula March 12, 2007 05:28

Re: regarding convergence
 
i am also working on the same modeling. you have already started some months ago, you might have proceeded a long way , please share with me. with regards Narendar


All times are GMT -4. The time now is 14:39.