krand

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poprostudaria
Posts: 19
Joined: May 26th, 2015, 7:30 am
Registered HYSPLIT User: No

krand

Post by poprostudaria » June 14th, 2019, 4:16 am

Hi,
I have a question about krand parameter. I want to run dispersion model with about 70 000 point emitors. To do that, there is a need to use huge number of particles. I have read in user guide, that when numpar is greater that 5000 krand should be equal to 1. I set this parameter to 1 but then after the whole run, I do not have txt files with my results (I turn off the plot making, because of too long time of simulation). If krand is equal to 2 I obtain files. Could you tell me how krand works and why I do not have results when krand=1?
Second question - is HYSPLIT designed to so much numbers of emitors? I mean - the simulation take so long time (for only one day of data it can take a few days to count it and I need to count dispersion for a few months) I do not know how can I speed it up? As attachement I send my conc.cfg file, maybe it will be helpful somehow.
I will be very grateful for any advices.
Best regards,
Daria
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conc.txt
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