Time step size in VOF implicit
Hello
I am new user in CFD. I am modeling in VOF multiphase. In vof panel with activating the implicit, the courant number is deactive. In this case, how can i define Time step size? Thanks |
There is an universal equation in the users guide. In order to calculate your iteration to the timestep.
In my eyes you could test 3 cases (like 0,1 sec; 0,01 and 0,001). The residuals should give a first hint, if a time step size fits or not. A general answer for your case isn't that easy. Maybe test 3 step sizes? Here a discussion (maybe helpfull): http://www.cfd-online.com/Forums/flu...time-step.html |
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