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Old   May 7, 2004, 14:26
Default sub-timesteps
habib hossainy
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Hei, i simulate air-water flow in the circular pipe and after som simulations get the following message:

Error: Too many (1813) VOF sub-timesteps. The velocity field is probably diverging. Please check the solution, and reduce the time-step if necessary.

Does anybody knows what is the reason?

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