# Does Fluent Calculate VOF before Momentum ?

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 February 23, 2010, 04:28 Does Fluent Calculate VOF before Momentum ? #1 New Member   Ganapathy Iyer Join Date: Mar 2009 Location: Pune, Maharashtra, India Posts: 25 Rep Power: 10 Hello Guys, I am writing a UDF involving VOF. I want to calculate the VOF values using the UDF instead of the Fluent formulation. These values will then effect the momentum and continuity equations. My question is , while using a UDF with a Segregated solver, what gets calculated first? Is it the UDF functions or is it the Continuity, Momentum equations? I am writing a UDF for the following paper : "A Numerical Study of Combined Heat and Mass Transfer in an Inclined Channel Using the VOF Multiphase Model R. Banerjee - Mark IV Automotive, Enterprise Drive, Rochester Hills, Michigan, USA" If anyone has a UDF or something similar to this, please share it with me

April 7, 2010, 10:56
#2
New Member

mengyue
Join Date: Sep 2009
Posts: 17
Rep Power: 9
Quote:
 Originally Posted by Ganapathy Hello Guys, I am writing a UDF involving VOF. I want to calculate the VOF values using the UDF instead of the Fluent formulation. These values will then effect the momentum and continuity equations. My question is , while using a UDF with a Segregated solver, what gets calculated first? Is it the UDF functions or is it the Continuity, Momentum equations? I am writing a UDF for the following paper : "A Numerical Study of Combined Heat and Mass Transfer in an Inclined Channel Using the VOF Multiphase Model R. Banerjee - Mark IV Automotive, Enterprise Drive, Rochester Hills, Michigan, USA" If anyone has a UDF or something similar to this, please share it with me

yes, in your case, Fluent calculates Continuity, Momentum equations first.
And i am also wriing UDF for your paper described as above.
so will you contact me? my email is mengyue1@126.com...

 Tags segregated solver, udf, vof

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