# help: How to define the sand's density

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 November 22, 2010, 08:42 help: How to define the sand's density #1 New Member   luofei Join Date: Aug 2010 Posts: 6 Rep Power: 9 I have been making the water and sand two phase currents the computations, ask when in fluent defines the sand, the density how defines? Is with the dry weight density or the wet density? How does the coefficient of dynamic viscosity give?

 November 23, 2010, 01:58 #2 New Member   luofei Join Date: Aug 2010 Posts: 6 Rep Power: 9 How does nobody reply me

 November 23, 2010, 02:00 #3 New Member   luofei Join Date: Aug 2010 Posts: 6 Rep Power: 9 why does nobody reply me

 November 23, 2010, 13:31 #4 Member   Allan Walsh Join Date: Mar 2009 Posts: 56 Rep Power: 10 It is hard to understand your question. Why don't you just put in a value for sand density (i.e 2500 kg/m3) and see what happens?

November 24, 2010, 22:37
#5
New Member

luofei
Join Date: Aug 2010
Posts: 6
Rep Power: 9
Quote:
 Originally Posted by Allan Walsh It is hard to understand your question. Why don't you just put in a value for sand density (i.e 2500 kg/m3) and see what happens?
reason: If density is set the wet density(2650),the residual is not converged. when density is set the dry density(1500) ,the residual is converged.

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