sub-timesteps -- CFD Online Discussion Forums

May 7, 2004, 14:26	sub-timesteps	#1
habib hossainy Guest Posts: n/a	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? Thanks

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