some questions about DPM and UDF -- CFD Online Discussion Forums

April 29, 2010, 10:01	some questions about DPM and UDF	#1
zhaoxinyu New Member xinyu zhao Join Date: Sep 2009 Posts: 19 Rep Power: 17	Hello,everyone I have some questions need your help, they are as below: 1.What's meaning of the C_DPMS_CONCENTRATION(c,t)? The unit is kg/m3, what's the different between C_DPMS_CONCENTRATION(c,t) and density? How C_DPMS_CONCENTRATION(c,t) calculate the cell concentration? 2. When a number of particles through the cell in the domain, how can I get the average particle velocities in the cell by UDF? 3. When I use the DPM model calculate the particle trajectory, I want to get the mass of particle by P_MASS(p), why the result is 0? How can i get the mass of every particles?

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