Can I change the diameter and density of Particles depend on the pressure using UDF

Yanlong Li · January 13, 2013, 06:21

Hi, bros:

I want to use DPM model to simulate the gas bubbles, but its density will changes depend on the pressure as well as its diameter. So How can I change it, I cannot found a Macros to do, does anybody have a better idear, Thank you.

msaeedsadeghi · January 13, 2013, 06:49

You should model it using eulerian approach

Yanlong Li · January 13, 2013, 11:46

Quote:

Originally Posted by msaeedsadeghi

You should model it using eulerian approach

Thank you, msaeedsadeghi:
You mean using Miture Model? But I tried many times, it is very hard to converge after few iters. I think there was some error I can not mention. Do you know any place that I have to notice?

January 13, 2013, 06:21	Can I change the diameter and density of Particles depend on the pressure using UDF	#1
Yanlong Li Member Yanlong Li Join Date: Jan 2013 Location: BeiJing Posts: 47 Rep Power: 13	Hi, bros: I want to use DPM model to simulate the gas bubbles, but its density will changes depend on the pressure as well as its diameter. So How can I change it, I cannot found a Macros to do, does anybody have a better idear, Thank you. neelcfd likes this.

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January 13, 2013, 06:49		#2
msaeedsadeghi Senior Member SSL Join Date: Oct 2012 Posts: 226 Rep Power: 15	You should model it using eulerian approach