time step -- CFD Online Discussion Forums

June 28, 2011, 07:15	time step	#1
hamid1 Senior Member hamid Join Date: Nov 2010 Posts: 185 Rep Power: 16	i am simulating via VOF and want to consider variable time step, the courant number in VOF model is chosen .25 by default in fluent, is it approperiate? if i choose variable mode for time stepping method then should i also define time step size? if so how?

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