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Continuity Convergence

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Old   November 27, 2007, 11:57
Default Continuity Convergence
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Marc
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Hi,

I'm having a problem that I've never experienced before. For some reason I'm struggling with continuity not converging. It's not diverging, but it's also not solving fully. I am toying with my solution schemes but cannot find a good mix of schemes. Most of my solution is being solved using QUICK, but currently my pressure is solved using the SIMPLE solver while my Pressure-Velocity coupling uses SIMPLEC with a skewness correction of 1.

Previously I've had one of my grids converge using a second-order pressure scheme and PISO with skewness correction for the p-v-coupling, but all subsequent grids have diverged with this method.

I'm waiting in queue to run another simulation using SIMPLE as my p-v-coupling solver too but it may be a while.

Are there any thoughts on how to get continuity to converge?

Thanks!

- Marc
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