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Confusion regarding PISO algorithm

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Old   July 3, 2013, 22:09
Default Confusion regarding PISO algorithm
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Dongyue Li
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In Versteeg's book(second edition) page 194. equation 6.12 and 6.13.
See the image.

Why its u*_n rather than u** _n

Thanks
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Old   July 4, 2013, 22:05
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Dongyue Li
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I think why there is only one * in the 6-12 6.13 is because if it was the final solution. u* and u** would be almost the same. So we need to solve it until convegence.

If there were two ** in 6 12 6 13, it would become SIMPLE.
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