Help with with UDF -- CFD Online Discussion Forums

July 12, 2017, 10:55	Help with with UDF	#1
ealzeraim New Member Erhamah Join Date: Jun 2017 Posts: 2 Rep Power: 0	Hello, I am trying to simulate granular flow using Eulerian mode. I have a problem with defining the velocity of the secondary phase (sand). The velocity of the primary phase is defined as velocity magnitude and it is equal to 4.5 m/s. I want to redefine the velocity of the secondary phase as stated in the attached pictureAttachment 57253 I think I should use UDF, but am not sure how. Please assist me. Please assist me Sent from my Pixel XL using CFD Online Forum mobile app Sent from my Pixel XL using CFD Online Forum mobile app

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