# modeling a pump as momentum source

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 June 5, 2007, 12:51 modeling a pump as momentum source #1 Priscila Guest   Posts: n/a I need to model a pump as a momentum source, but analysing at CFX-Post my pump generates momentum in all directions. It's wrong and I don't know my mistakes. Tks Priscila

 June 5, 2007, 12:52 Re: modeling a pump as momentum source #2 Priscila Guest   Posts: n/a I'm needing sugestions to fix the problem!! Tks!!

 June 5, 2007, 15:42 Re: modeling a pump as momentum source #3 Gert-Jan Guest   Posts: n/a How do you define your momentum source? I would suggest to use cartesian coordinates to define the x,y,z direction of the source. Use 0 for the directions that no momentum is needed. Gert-Jan www.bunova.nl

 June 5, 2007, 15:59 Re: modeling a pump as momentum source #4 Priscila Guest   Posts: n/a Yep! I did it! I used values for x and y direction and 0 for the other one. So, I don't have idea where is the problem and how to fix it. Can be on the geometry or mesh? I guess not...

 June 6, 2007, 10:08 Re: modeling a pump as momentum source #5 Gert-Jan Guest   Posts: n/a I would set 1 momentum and use two zero's.......

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