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DPM tracking time step

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Old   June 13, 2011, 23:49
Default DPM tracking time step
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Hello,

Now I am doing a transient simulation for a channel flow and want to track some massless fluid particles to see their locations at different time step. My question is that how to control the total integration time for the unsteady particle tracking ? When I use 1e6 for the max number of steps, the particles got out of the channel, which did not make sense. And what is the difference between track with fluid flow time step and inject particle at fluid flow time step?

Thank you in advance,
Renold
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