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Time step size and number of time steps

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August 28, 2019, 10:21	Time step size and number of time steps	#1
kr660170 New Member Karthik Join Date: Apr 2017 Posts: 29 Rep Power: 9	Hello Guys, Can someone explain me about time step size and number of time steps in fluent? How to calculate the total simulation time in fluent? Thanks in advance. Best Regards, Kr660170 Светлана likes this.

August 28, 2019, 22:10		#2
AlexanderZ Senior Member Alexander Join Date: Apr 2013 Posts: 2,363 Rep Power: 34	total time should be enough to model phenomena you are interested in. time step should be small enough to get converged solution best regards

August 29, 2019, 07:02		#3
Светлана Senior Member Svetlana Tkachenko Join Date: Oct 2013 Location: Australia, Sydney Posts: 407 Rep Power: 14	Why are you running a transient simulation? Is the flow unsteady? If you describe your model then someone can help you in more detail.

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