Number of positions in particle tracking -- CFD Online Discussion Forums

August 8, 2011, 15:30		#2
Batis New Member Przemek Join Date: Feb 2010 Location: Warsaw Poland Posts: 27 Rep Power: 16	Hi, CFX computes number of real particles based on mass flow rate, density and sizes distribution. Solving the motion equations for each particle is highly CPU costed so you need to provide number of artificial (let's say numerical) particles which each of them represent a group of real particles going by the same trajectory. The bigger number you provide the more statistically representative solution you get. To find appropriate number of numerical particles you should make a parameter independent study. Regards, Przemek srinidhi4u likes this.

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