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-   -   help: How to define the sand's density (https://www.cfd-online.com/Forums/fluent/82273-help-how-define-sands-density.html)

lflovelhc November 22, 2010 07:42
help: How to define the sand's density
 
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?

lflovelhc November 23, 2010 00:58
How does nobody reply me

lflovelhc November 23, 2010 01:00
why does nobody reply me

Allan Walsh November 23, 2010 12:31
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?

lflovelhc November 24, 2010 21:37
Quote:
Originally Posted by Allan Walsh (Post 284510)
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.:confused:


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