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Time step reduce in 1 cell

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Old   July 11, 2007, 14:03
Default Time step reduce in 1 cell
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Hi fellows, I am running a simulation consisting of over 1 Million cells. After I initialize and run few iterations it says:

"time step reduced in 1 cells" and "Time step reduce in 2 cells" and so on Also sometimes it gives: "Absolute pressure limited to 2E-10" Kindly help me out is there any problem in Courant no currently took as 1

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