error while iteration
I have met with some problems in using fluent to simulate the flow of a liquid with an air bubble in a square channel.
I am using VOF model to simulate this flow.
The problem I met with is that whenever I input a value for the surface tension between the liquid and the gas, I will receive an error message while iterating.
Error message: "Too many sub time step. The velocity field is probably diverging……..Reduce time step"
I hope you all can give me some advice regarding this problem
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