DPM time step for unsteady particle tracking -- CFD Online Discussion Forums

April 26, 2018, 18:25	DPM time step for unsteady particle tracking	#1
Saptarshi New Member Join Date: Sep 2015 Posts: 4 Rep Power: 11	Hi everyone, I want to solve steady flow for continuous phase and unsteady flow for discrete phase. I am not able to understand the physical significance of 'particle time step size'. Whatever I understood that if I set length scale or step length factor, then fluent will calculate integration time step size. Then what is "particle time step size" and "number of time steps". I already read some earlier threads regarding this, but couldn't understand properly. Please help me. Thanks in advance

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