URGENT HELP: Too many vof sub-timesteps
Hi,
There is a error message just after begin the iterate step: "Too many VOF sub time steps, the velocity field is probably diverging.Please check the solution and reduce the time steps if necessary". Could you help me in this problem in urgent? thanks very much. lamlash |
Re: URGENT HELP: Too many vof sub-timesteps
The message tells you what to do - reduce the time step. If that message appears at the first timestep, maybe you can improve the initial settings.
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Re: URGENT HELP: Too many vof sub-timesteps
The number of in the bracket indicate the VOF subtime steps needed to complete 1 physical time step. The time step would be such that
VOF sub time step < time step < 100* VOF sub time step where VOF sub time step = Time step size given/ Number in the bracket. Hope it helps Shanti |
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